aurora works co., ltd. - tank safety & protection...

Tank Safety & Protection Devices For Petrochemical Storage Tanks

Aurora Works Co.,Ltd. Head Office: 888/24 Soi Prachauthit 86, Prachauthit Rd, Thung Khru, Thung Khru, Bangkok 10140 Thailand Tel. : 66 2815 5114 Fax : 66 2815 6128

Branch Office: 9/7 Soi Siriporn, Sukumvit 45 Road, T. Maptaphud, A. Muang-Rayong, Rayong 21150 Thailand Tel. : 66 38 682 821 Fax : 66 38 682 822

http://www.aurora-works.com E-mail: [email protected]

488-1, Wolhwa-ro, Tong Jin-Eup, Gimpo-Si, Korea (Zip Code : 415-862)

Web site: www.ikspc.com

Korea Steel Power Corp

LETTER OF AUTHORIZATION “KSPC

Products Certified

K.S.P.C is always challenging and working as a pioneer to accomplish the unlimited possibility to the newest technology since it’s foundation in 1991 until new. K.S.P.C. has been trying to produce the best quality products with own special technology.KSPC, located in Gimpo Korea is leading to manufactures of safety valve in Korea and we are gaining growing recognition world-wide now. We supply high quality safety valve with state of the art technology from our modern manufacturing facilities.

Overview

SAFETY IS THE FIRST & MOST IMPORTANT FOR Petrochemical Storage Tanks

We are a main safety valve supplier for petroleum industries, plant, sewage treatment, shipbuilding and our systems, that is production supply delivery are available to meet your existing and upcoming tank projects. We would like to thank you for your patronage and wish to inform you our capabilities and products. Finally, we hope you will find this information helpful to your future energy saving plans.

Tank Safety & Protection Devices

2

CONTENTS

4 Pressure/Vacuum Relief Valve

9 Flame Arrester

14 Emergency Vent Covers

15 N2 Blanketing Valve

16 Gauge Hatch & Slot Dipping Devices

18 Rupture Disc


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The Pressure/Vacuum Relief Valve is designed to protect low pressure storage tanks from excessive pressure or vacuum created by thermal expansion(and contraction) and product movement into(out of) the tank and at the same time minimizing costly product evaporation/loss.

Excesses in pressure or vacuum may also cause permanent deformation to the tank or unbalance a vapor recovery system.

The Pressure and Vacuum Relief Valve is installed on the storage tank roof. The valve may be mounted in conjunction with a Flame Arrester to provide maximum protection against excessive

pressure and vacuum while minimizing accidental ignition of flammable product vapor from external sources

Model_ KSBB/BS

Model_ KSPR Model_ KSVR/VSModel_ KSPS


4

Pressure/Vacuum

Relief Valve


End Line(Mushroom) Breather Valve

The model KSBB/KSBS, KSBBJ/KSBBJS, KSPR/PS, KSVR/KRVS, KSVB pressure vacuum valves are an advanced design for vent to atmosphere applications.

Designed manufactured and tested according to the API 2000 code, these valves utilize the latest technologies to provide protection against positive or vacuum over pressure and prevent air intake, evaporative losses of product and help to contain odorous and potentially explosive vapor.

The KSBB/KSBBJ/KSPR/KSVR/KSVB is a weighted pallet model designed to handle pressure and vacuum with a minimum pressure of +/-20mmW.C and a maximum setting of + 700/-430 mmW.C

The KSBS/KSBBJS/KSPS/KSVS is a spring loaded model designed to handle pressure and vacuum with a minimum pressure of +700/-430mmW.C and a maximum setting of +/- 9,000mmW.C.

High strength, one-body casting provide added structural integrity and durability.

Body materials are available in Aluminium, Carbon Steel, 304SS and 316SS with various trims to suit individual requirements.

Sizes range from 50mm through to 350mm with ANSI 150lb flanges as standard.(Different connections available on request).

In Line(Pipe Away) Breather Valve

The model KSBG/KSGS, KSBD/KSDS pressure vacuum valves are an advanced design for pipe away applications.

Designed manufactured and tested according to the API 2000 code, these valves utilize the latest technologies to provide protection against positive or vacuum over pressure and prevent air intake, evaporative losses of product and help to contain odorous and potentially explosive vapours.

The KSBG/KSBD is a weighted pallet model designed to handle pressure and vacuum with a minimum pressure of +/-20mmW.C and a maximum setting of + 700/-430 mmW.C

The KSGS/KSDS is a spring loaded model designed to handle pressure and vacuum with a minimum pressure of +700/-430mmW.C and a maximum setting of +/- 9,000mmW.C.

High strength, one-body casting provide added structural integrity and durability.

Body materials are available in Aluminium, Carbon Steel, 304SS and 316SS with various trims to suit individual requirements.

Sizes range from 50mm through to 350mm with ANSI 150lb FF flanges as standard.(Different connections available on request).

→ PRODUCTS

Model_ KSBBJ/BBJS Model_ KSBG/GS Model_ KSBD/DS

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Pressure/Vacuum Relief Valve


API’s estimated breathing loss table

A. Why Pressure/Vacuum Relief Valves

are used

1. The effect of energy reduction : In case of gasoline, to minimize the natural evaporation of stores saves 98m³ per years.(based on the tank diameter: 30.4m x tank capacity 86920m)

2. The effect of preventing of exploration : With the exception of influx and efflux of stores, it is kept always closed to prevent the diffusion into tank.

3. The effect of preventing of corrosion( the effect of extension of life) : To keep the stabilization of constant gas pressure generated inside tank, prevents inside of the tank from corrosion by the temperature of gas.

4. Protection against fire hazard conforming to API standards

5. Minimized evaporation loss

B. Pressure/Vacuum Relief Valves save

storage liquid product

In 1952, American Petroleum Institute developed a formula to determine tank evaporative losses.

The API equation was formulated after the results of a total of 256 individual tests were compiled. Of the 256 tanks tasted(½ with open vents and ½ with pressure/vacuum valves), only 178 were considered valid.

The remainder were eliminated because of inadequate data, obviously incorrect test methods, poor tank conditions, or leaky fittings.

The API has a formula for calculating tank breathing loss. The principle factors are: turnovers per year, true vapor pressure of the product, diameter of the tank in feet, the average outage in feet, the average daily ambient temperature change, and the paint factor. The test was conducted on tanks containing gasoline with pressure and vacuum valves set at 22mmW.C pressure and 22mmW.C vacuum.

Tank Diameter(m) 9.15 13 18.3 30.4

Tank Capacity(m³) 790 1,580 3,160 8,690

Breathing Loss(m³)

Estimated Losses with Pressure Relief Valve 24 46 90 218

Estimated Losses Open Vent 38 70 130 316

Saving sotraged liquid using Pressure Relief Valve(m³ / year) 14 24 40 98

→ Combined type with Flame Arrester

Model_ KSBBFI/BSFI Model_ KSBBFH/BSFH Model_ KSBGFI/GSFI Model_ KSBGFH/GSFH

→ ADVANTAGES

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D. Reduced corrosion

An additional reason for using Pressure/Vacuum Valves. They help reduce overall corrosion in the plant. Plant corrosion is reduced due to less product escaping from the tank and therefore less corrosion is produced by escaping vapors. This means overall plant maintenance is reduced thereby saving labor and money.

E. Recommended and required

Presssure/Vacuum Valve are recommended by API 2000 for use atmospheric stroage tanks in which oil with a flash point below 100°F is stored. OSHA states that tanks storing class 1 liquids shall be equipped with venting devices which shall be normally closed except under pressure vacuum condition.

Generally speaking, the majority of the regulatory bodies dealing with tank safety, API, OAHA, NFPA.

Insurance Companies etc. require installation of these devices on flammable liquid storage tank.

C. Basic fire protection

An advantage of using a Pressure/Vacuum Valve is that the valve provides fire protection for your tank.

A Pressure/Vacuum Valve is normally closed except when venting pressure or vacuum conditions: and an open vent always has a free passage-way between the vapor in the tank and atmosphere. Therefore, a Pressure/Vacuum Valves is usually closed allowing the tank vapor to reach true vapor pressure.

Under true vapor pressure, the vapor in the tank is too rich to burn. The tank is also closed off eliminating a free passageway for fire of sparks to ignite the potentially combustible vapor in the tank, if the valve has been activated by excessive tank pressure, the now open valve is causing a condition where any vapors escaping are under positive pressure and the fire hazard will be kept away from the vapor content of the tank.

If flames are in the area and the tank is in an emptying mode, the vapors are not escaping and combustion is not likely even through the tank has a combustible.

1. Closed tank principle : When a Pressure/Vacuum Valve is closed, fumes are not escaping to allow combustion.

2. Pressure when open principle : When the valve is open, the velocity of the relieving vapors is greater than the flame speeds.

3. Over rich principle due to equilibrium being reached in a closed tank and therefore the fumes and too rich to burn When emptying or pimping out of the tank, oxygen vapors are susceptible to burning and flame arresting should be used.

→ Pilot Operating Pressure/Vacuum Valve Series

Model_ KSBBFY

ETFE LINED with SILICA GEL Model_ KSPO

4.The vacuum created during dispensing of product will prevent fumes from escaping and consequently is generally protected

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Size of a Pressure/Vacuum Relief ValveA breather valve opening on a storage tank usually takes from a pipe of a predetermined size to permit the equalization of pressure inside a tank caused by ambient temperature changes and operating conditions. These vent pipes are either open, equipped with return bend, screens, devices to permit retention of vapors below a specified pressure, Flame Arrester, Rupture Discs, etc.

Normal venting capacity is obtained without exceeding pressure or vacuum that would cause physical damage or permanent deformation to the tank,

The following will help in sizing a Pressure/Vacuum Valve.

1.Normal Relief

The sum of vapor replacement resulting from emptying of filling and thermal out-breathing or out-breathing.

2.Emergency Relief

Thermal out-breathing from fire exposure.

3.All Tanks

Generally require the sizing of a normal Pressure and Vacuum Relief Valve to be sized and independent emergency relief valve to be sized separately.

4.Flow Curves

These curve provide pressure and vacuum capacity which is require for sizing.

Pressure/Vacuum Relief Valve SettingAPI 2521 Code

Pressure/Vacuum Valve on atmospheric fixed- roof tanks are usually set at ½ oz. per square inch pressure or vacuum. Test data indicate that an increase of 1 oz. per square inch in the pressure set point over the usual ½ oz. per square inch reduces breathing losses by approximately 7 percent.However, the test data indicate that each additional increase of 1oz. Per square inch in pressure set point reduces the breathing losses in progressively smaller increments.

API 2513 Code

The pressure and vacuum setting of breather valve are dictated by the structural characteristics of the tank and should be within safe operating limits. A certain amount of pressure and vacuum beyond this setting is necessary to overcome pressure drop in order to obtain required flow. Proper size and settings can best be determined by reference to API Std 2000: venting atmospheric and Low-Pressure Storage Tanks (1992) and to the manufactures tank data determined in accordance with this publication. The pressure setting for Pressure/Vacuum Valves to be installed on large tanks constructed in accordance with API 12: Specification for Large Welded Production Tanks(1957)usually is limited to ½ oz. because roof plates will start to shift when the pressure rises much above 1oz.

According to API 2000 code, the pressure/Vacuum Relief Valves are designed, manufactured and tested.Pressure/Vacuum Relief Valves, which is used for the protector of fluid storage tank, is composed of a body with the function of pressure relief and vacuum relief.This valve has function to intake the air under constant pressure during unloading, and to discharge the overpressure generated during pouring the fluid into storage tank.This is the safe valve to control the deflation(vacuum) and inflation(pressure) of several storage tanks. Pressure/Vacuum Relief pressure with low speed type of discharge even a small quantity of gas discharge when it occurs thermal variation on the ground. The operation of the valve disc of both of the pressure and vacuum are weight load type it is simple enough which requires no adjustment of the pressure of the set.

1. Lodading : On loading, the valve for the pressure part is to be operated2. Unlodading : When you unload, the vacuum disc mounted internally will operated.

→ VALVE OPERATION

→ API 2000 for venting atmospheric and low pressure storage tank

LIQUID IN

LOADING CONDITIONLIQUID OUT

UNLOADING CONDITION

LIQUID IN

LOADING CONDITIONLIQUID OUT

UNLOADING CONDITION


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Flame Arrester

The most straight-forward protection device againstFlame propagation is a Flame ArrestersAs countery and local air quality regulation become more stringent, incineration of gases becomes a more viable option rather than venting to atmosphere. In addition, there are regulations that require gas with any significant sour content be flared because of foil smell and toxicity.

Companies that engage in this type of activity understandably have important safety concerns.

Protect against flashback in systems that contain flammable liquid products becomes a serious issue.

Flame arresters have been utilised in a variety of applications over the past fifty years.

Old and new applications would include:


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→ PRODUCTS End of Line Flame Arresters

End of line or free vent flame arresters allow free Venting in combination with flame protection for Vertical vent applications.

They prevent flame propagation by absorbing and dissipating heat using spiral wound crimped ribbon 316LSS flame cells.

The KSFE unit gives the protection needed. For size 4" and under after ignition of the out flowing gases a fusible element melts, the spring loaded cover automatically opens and the full surface of the flame arrester is exposed so that the flamd arrester element will not attain the ignition temperature through heat absorption.Housing construction are Aluminium, Cast iron, CastSteel, 304ss and 316Lss.Hood construction is stainless steel and the element is 316Lss.Sizes are from 25mm through to 600mm.Cast iron and cast steel unit are epoxy coated both inside and outside.

Flame Arrester is used for preventing flame transmission when an explosion is occurred inside of the piping which full of explosive mixed gas. It’s known as inflammability prevention equipment, reverse flame prevention equipment from old day. It’s limits so as not to be occurred in chemical equipment or the progress of work. In addition to, if safety equipment of this this kind is installed you can prevent from big calamites occasionally. Function of Flame Arrester to stop the flame when it’s extraordinary. It need practically not to disturb flowage of gas of piping inside in common operation condition.

There is several methods of principle to prevent extension of flame method by stick of water, Interception of a pipe conduit by detection of flame or scattering of inactivity material but There’s some practical problems as easiness of usage, reliance, a response, economical efficiency. Also, there are water seals, packed beds, velocity-type arresting device.

Model_ KSFE Model_ KSFF

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Inline Flame Arresters

Inline flame arresters can be installed either vertically or horizontally within a designated distance from the potential Ignition source.

The units are passive devices with no moving parts, They Prevent the propagation of flame from the exposed side by The use of a 316L stainless steel crimped metal ribbon type Flame cell elements. This construction produces a matrix of Uniform openings that are carefully constructed to quench the flame by absorbing the heat. This provides an extinguishing Barrier to the ignited vapour mixture.

The standard flame cell is suitable for IEC IIA or NEC group D Gases. Cells for other gas groups are available as additional Extras.

The flame arresters are available with either aluminium, Nodular iron, cast steel, 304SS, 316SS, 316LSS housings, Iron and steel housings ae supplied epoxy coated.

Size range from 15mm to 600 mm.

Detonation Flame Arresters

Detonation flame arresters provide positive protection against Flame propagation in piping systems that are manifolded or Have long runs.

The arresters are designed to stop an ignited flammable Vapour mixture travelling at subsonic or supersonic velocities.

They are also designed to protect against continuous burning Against the 316LSS flame cell for a specific period.

The standard flame cell is suitable for IEC IIA or NEC group D Gases. Cells for other gas groups are available as additional Extras.

The flame arresters are available with either carbon steel ( Epoxy coated), 304SS, or 316SS housings with 316LSS Flame cells.

Sizes range from 50mm to 600mm.

These arresters can be located at great distance from the Ignition source.

Model_ KSFT Model_ KSFM

Model_ KFD

Model_ KSFI

Model_ KSFI Model_ KSFI

Model_ KSFL Model_ KSFD

Model_ KSFLD

Model_ KSFH

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Flame arresters are passive devices with no moving parts. They prevent the propagation of flame from the exposed side of the unit to the protected side by the use of wound crimped metal ribbon type flame cell element.

This construction produces a matrix of uniform openings that are carefully constructed to quench the flame by absorbing the heat of the flame. This provides an extinguishing barrier to the ignited vapour mixture.

Flame Cell Channel

Under normal operating conditions the flame arrester permits a relatively free flow arrester permits a relatively free flow of gas or vapour through the piping system. If the mixture is ignited the piping system. If the mixture is ignited and the flame begins to travel back through the piping, the arrester will prohibit the flame from moving back to the gas source.

In-Line flame arresters have specifically designed heat transfer characteristics for slow moving flames and low to medium pressure fronts low to medium pressure deflagration.

But flames moving at higher velocity and carrying higher pressure fronts (high pressure deflagration and detonations) can pass through a standard in-line flame arrester.

That is why it is critical that the proper flame arrester be installed to meet the requirements of both the application, operating conditions and the flame state to which the arrester will be exposed.

→ HOW FLAME ARRESTERS WORK

Pipe Length, bends and/or flow obstruction Extended lengths of pipe allow the flame to advance into more severe states of flame propagation such as high pressure deflagrations and detonations.

A

5Mtrs

2Mtrs 2Mtrs

B

Effect of distance and bends

on velocities and pressures

Bends in piping, pipe expansions and/or contractions, valves, or flow obstruction devices of any kind, cause turbulent flow.

Turbulent flow enhances the mixing of the combustible gases, greatly increasing the combustion intensity.

This can result in increased flame speeds, higher flame temperatures, and higher flame front pressures than would occur in laminar flow conditions.

Initial operating pressuresHigh pressure deflagrations and detonations can occur more easily at higher system operating pressures than a near atmospheric levels.

Elevated pressures condense the ignitable gas giving the flame more matter and energy to release thereby boosting flame heat intensity.

Flame stabilisation on the element

A critical concern in flame arrester installation is the possibility of a flame stabilising on the face of the flame cell element. A flame that continuously burns against the flame arrester element for a period of time can heat the element above the gas auto-ignition temperature resulting in flame propagation through the element. The time period varies with the element. The time period varies with the type of element, mixture of air and gas, type of gas, and velocity at which the gas stream is moving

MESG(Maximum Experimental Safe Gap)

Measurement of the maximum gap between two equatorial flanges on a metal sphere that will prevent a flame from being transmitted from the sphere to the surrounding flammable mixture.

The stoichiometric mixture is used to determine the minimum MESG valve for a given gas.

IEC NEC

Group IIC Group B 0.25 AcetyleneGroup IIC Group B 0.28 HydrogenGroup IIB Group C 0.65 EthyleneGroup IIA Group D 0.90 PropaneGroup I G.M. 1.1 Methane

Example

Pressure Kpag

A 150 38

B I 1160 1154

1. Exposed Side 2. Protected Side 3. Flame Stabilized on arrester element 4. Flame arrester element absorbs and quenches flame front 5. Piping

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Flame propagation poses significant dangers to systems and personnel in industries worldwide. Careful consideration must be taken to determine whether to use a Flame Arrester or a Detonation Flame Arrester.

There are two basic determinations when evaluating the intended application:the location of the ignition source from the flame arrester, and;what needs to be protected.

First, determine the location of all potential ignition sources [i.e. flare, vacuum pump, blower, burner, lightning strike, static discharge, etc].

Second, evaluate the system to determine exactly what should be protected [i.e. the gas source, process component, personnel, upstream process facility, tank, etc].

When you have determined the ignition source(s) and what is to be protected, the following parameters should be evaluated in order to determine the appropriate flame arrestment protective device:

Group B (IIC)

Group B (IIC)Butadiene

Ethylene oxide

Hydrogen

containing more than

30% Hydrogen

(by volume)

Propylene oxide

Propyl nitrate

Group C (IIB3)

Cyclopropane

Diethyl ether

Dimethyl hydrazine

→ SELECTION CRITERIA

→ GAS GROUP CHART

1. Length and configuration of pipe and pipe between ignition source and arrester.

2. System gas grouping.3. Initial operating grouping.4. Flame stabilisation on element.

All of these variables affect the performance of the arrester and flame propagation.

Inline and End of Line Application

The inline flame arrester and the end of line[free vent] arrester are used to stop flame propagation of confined and unconfined low pressure deflagrations. They are typically used for limited piping applications when the system operating pressure is near atmospheric levels.

Detonation application

Detonation application the detonation flame arrester is an advanced technology flame arrester.

They are used to stop the high pressures and velocities associated with detonation. They stop confine and unconfined low and high pressure deflagrations, stable

and Overdriven detonation.

Application parameters for the detonation flame arresters far exceed those of flame arresters for pipe lengths, configurations, system operating pressures, and flame stabilisation. Our flame arresters are designed.

Manufactured and tested according to API2000, BS7244 and BSEN12874 test standards and codes.

System gas grouping

The type of gas in the system and it’s corresponding gas group determines the design of the arrester element. The e le m e n t m u st b e d e s i g n e d to accommodate the specific gas group that could possibly ignite and propagate in the system. The available designs consist of International Electric Code [IEC] group gases into IIB,IIA and I, the National Electric Code [NEC] groups gases into A, B, C and D categories depending on the MESG value of the gas.

Ethylene

Hydrogen sulfide

Unisymmetrical dimethyl

Group D (IIA)

Benzene

Butylene

1-Butanol (butyl alcohol)

2-Butanol

(secondary butyl alcohol)

Cyclohexane

N-Butyle acetate

Isobutyl acetate

Ethane

Ethanol (ethyl alcohol)

Ethyl acetate

Ethyl acrylate

Ethylene dichloride

Heptanes

Hexanes

Isoprene

Group D (IIA) (continued)

(isoamyl alcohhol)

(isobutyl alcohol)

(tertiary butyl alcohol)

Naphtha (petroleum)

N-Propyl acetate

Octanes

Pentanes

1-Pentanol (amyl alcohol)

Propane

1-Propanol (propyl alcohol)

2-Propanol (isopropyl alcohol)

Propylene

Styrene

Toluene

Turpentine

Vinyl acetate

Vinyl chloride

Xylenes

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Emergency Vent

Covers

The Emergency Vent Valve and manhole cover open to greatly increase the venting capacity of petroleum storage tanks when the internal pressure rises above the set point. It remains closed tightly when internal pressure below the settings. This unit also provides easy access into the tank the most common source of this internal pressure is fire exposure.

Emergency Valve with regard to the API 2000, provide emergency pressure relief for petroleum storage tanks as well as convenient access for tank cleaning, inspection and repair work. It is designed for installation on tanks where extreme pressure rise or pressure surges might require emergency pressure relief beyond the capacity of a normal operating vent. Emergency valve are required by API on storage tanks in order to protect the tank against excessive pressure caused by external fire exposure or flashes within the tank. The excessive pressure caused by and external fire is generally because an adjacent tank is on fire. Flashes are generally caused by a chemical reaction in the tank. Regardless of the cause of the excessive pressure, an opening larger than the normal Pressure/Vacuum Valve is necessary in order to carry off the additional volume resulting from the fire exposure the tank is experiencing.

When positioned on the storage tank flange, the emergency valves provides an effective vapor-tight seal. Under emergency fire condition, the valves presented in out test room opens fully at a setting pressure to allow escape of vapor and prevent tank from dangerous over-pressurization. The valves are automatically closed by itself-weight and reseals when the pressure is reduced below the setting pressure.

Model_ KSESV

Model_ KSEV

Model_ KSEVK

Model_ KSEP

Model_ KSES Model_ KSEPK


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N2 Blanketing

Valve

N2 Blanketing Valve helps gas pressure to maintain In constant state in the vapour space of storage tanks.

When liquid run out from storage tanks or vacuum state take place because of temperature dripping, N2 blanketing Valve has a ability of control desired pressure within the fixed limits.

Besides about subjects, prevents air and humidity from entering into storage tank, so it can preserve product, and also protect from a fire.

It protects the tank from explosion by restriction spark. It prevents the outflow of fluid by evaporation.

N2

SUPPLY

LINEN2

SUPPLY

LINE

STORAGE TANK

DST 100

N2 BLANKET

SYSTEM

DST 200

N2 BLANKET

SYSTEM

SENSINGLINE 1/2" SENSING LINE 1/2"

Model DST 100. DST 200

Size ½” ~ 1” 1”~ 2”

Set Pressure 30 ~ 5000mmW.C 30 ~ 5000mmW.C

Connection FNPT / ANSI 150#, Etc. FNPT / ANSI 150, Etc

Material 304S.S, 316S.S, Etc. 304S.S, 316S.S, Etc.

Using Gas N2 (Nitrogen) N2 (Nitrogen)

Sensing Port NPT ½” NPT ½”

Features

within a block.

blockage of Main valve.

Spring which is setup to regular value and the inner pressure of tank.

Model_ DST


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Gauge Hatch & Slot

Dipping Devices

The KSPC’s Sampling and Gauging Hatch Cover are designed to provide quick access for product gauging, temperature measurement or sampling.

They are installed on the tank roofs of roof flanges.The hatch covers are self closing and foot pedal has an inclined tread for additional safety.

Type KSGE is free opening and combines pressure relief with the standard gauge hatch features. Relief opening is approximately 80mmW.C with the standard aluminum covers.

Model_ KSGHModel_ KSGE

Type KSGH is designed for tank working pressure of up to 0.3kg/m² when used with a TEFLON insert. This type also incorporates a handwheel with padlock feature to prevent unauthorized tank entrance through the unit. Quick access is provided using the cast handwheel and eyebolt in combination with the inclined pedal. Once the handwheel is rotated and disengaged from the cover, the foot pedal is used to open the cover permitting the use of both hands during gauging and sampling.


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→ Air Release & Vacuum Breaker Valve

Benefits

Pressure & Vacuum relief functionAnti-Surge & Anti-ShocksSurge and Waterhammer ProtectionLiquid Overflow ProtectionRelease air pocket from pipelineIncreasing of pump efficiencyLess system energyMaintenance free

Introduction

Air release valve are designed to release accumulated air pockets from the system, while pressured pipelines.

Air pockets increase energy consumption because pumping operation will be at higher water heads to overcome pressured air.

Air release valves are have function to protect high shock and surge pressure, water hammer and liquid overflow from fresh or sea water pipelines.

KSBJ air release valve can provide low cast insurance to protect expensive maintenance cost of pipelines and pump systems.

The KSSD Series Sampling Device is designed for gauging the height of liquid levels, measuring the depth of water bottoms, taking temperature, and taking sample of liquids held in storage tank, without relieving pressure within the tank.

It avoids the loss of valuable vapors, and exposing the gauger to excessive fumes.

Quick opening valve unit is opened and closed simply by moving a lever through a 90deg C arc.

A by-pass is provided to equalize in the tank and sampling chamber unit, if this should be necessary for easy opening.

The window in the top cover of the gauging unit can be provided with an inside wiper, to insure clear vision of the gauge taper, and to permit the taking of accurate reading. Model_ KSSD Model_ T2000-TSS-01

Model_ KSBJ

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Situations that demand a Rupture Disc

rise in pressure that cannot be endured by a spring type safety valve.

the operation state may damage the operation function of other safety materials owing to excessive pressure.

device is not permitted during an operation.

preparation for a container and pipe that reserves or produces oil of a strong corrosive nature.

to undergo a synthetic reaction.

low temperature in the operational environment might inhibit the operation of a safety valve.

Features of a Rupture Disc

Special material and structure (wide array for the selection of materials)

and it can range from large to small

corrosive nature, high temperature, low temperature, liquid, gas, steam, dust, powder, polymer, etc.)

Strengths of a Rupture Disc

Complete tight seal

The biggest difference that distinguishes a rupture disc from a safety valve is whether the internal fluid is a complete tight seal.

Extension of safety valve life

A rupture disc takes the role of a solid metal blocking film between a safety valve and a pressure system of process; therefore. it protects the safety valve from corrosion.

Possible to conduct a field test on a safety valve

When using a rupture disc that is separated from a safety valve, it is possible to conduct a field test on the safety valve.

Extension of major overhaul period

Since the inside of valve and the rear part of the rupture disc are not exposed th pollution or corrasion, they remain clean.

Cost reduction

Compared with highly priced safety valve, it is possible to reduce material costs with a rupture disc as rupture discs re inexpensive.

→ General of Rupture Disc

Rupture Disc


18


Using as a single safety device (Primary case)

According to the ASME Code, the rupture pressure should, when Rupture disc is used in single as a safety device, be set the lesser value for the MAWP of pressure vessel, and it must be able to prevent the pressure elevation more the 10% for the MAWP of pressure vessel or 3 psi.

Combining safety valve (Combination)

Only if it is sufficiently guaranteed the outlet massflow of rupture disc, it can bo installed between safety valve and process, or in the outlet of safety valve. This is for protecting safety valve from corrosion, and also preventing the leakage through valve.

When it is installed in inlet, it is recognized in the 90% of the practical outlet capacity(the practical capacity when it is passed the test under the same condition).

Combination with safety valve should not interfere with the function of it in rupturing or Rupture disc, and equipped with the sufficient space between safety valve and Rupture disc and monitoring device for pressure(pressure gauge, Excess Flow v/v, pressure switch, etc.

→ Applying Rupture Disc

Using two or more safety device (Secondary case)

According to the ASME Code, when multiple safety devices are used, it should be set the lesser value for the MAWP of pressure vessel for the only one device, and the set pressure for other devices shall not be surpassed the 105% of MAWP except FIRE CASE. In addition, it shall have the capacity for preventing the pressure elevation more than 16% for the MAWP of pressure vessel or 4 psi.

Using as a safety device against exterior fire (Fire case)

When it may ve occurred the hazardous factors caused by a fire or unexpected exterior heat, it must be equipped the additional depressurizing device for protecting from excess pressure. In this case, it should have sufficient outlet capacity not to increase the pressure over than 21% of MAWP. Set pressure should not excess the 120% of MAWP.

When compressed liquefied gas is stored in roon temperature, which has no permanent connection part for providing, the depressurizing device must prevent the elevation of pressure over than 20% of MAWP.

19

Rupture Disc

� Internal Floating Roofs � External Floating Roofs Seal � Aluminums Dome Roof � Drain System � Floating Suction & Oil Skimmer � Tank Fitting

Above Ground Storage Tank

� Emission from organic liquids in storage occur because of evaporative loss of the liquid during

� Its storage and as a result of changes in the liquid level.

� The emission sources very with tank design as does the relative contribution of each type of emission source

� Tank Works products understand vapor loss mechanisms and are one of the best methods to reduce vapor evaporation and organic liquids emission.

General of Internal Floating Roof

Storage Tank Protection Equipment

Vapor Loss without Floating Roof Vapor Prevention with Floating Roof

SAFETY IS THE FIRST & MOST IMPORTANT …………………………………………………………………………………………………………………………………………….…..


SERVICE SOLUTION

SAMPLE OF THE GOODS

History:

2008First Established asAurora Works o., td. In the Business of sale and service to Industrial products and consultants

Representative of authorization industrial products:- Elmess / Germany - GSI / USA - NEW FLOW / Taiwan - Temperature Control / Australia

Add vendor lists with Key-account customer:- Glow Energy - EGAT - PTT Chemical

- TIG - Unilever- PTT AR- IRPC - TPI Polene - PTT PE

Setting up “Rayong Branch Office” to coverage of sales market in Petro chemical Oil & Gas industries

Aurora Works Co., td agreement with KSPC company (Korea) to start up “Exclusive Distributor agent of KSPC” (Tank protection device ) in Thailand

Expansion head office for Training center for instrumentation & tank protection device program. Add vendor lists customer more than 50 accounts in Thailand - PTT ME - PTT GC - PTT PLC - PTT EP - SCG Chemical - CBES Group - Bangchak Petrochemical

Coverage with EPC in Thailand - Thai Rotary - Unimit Engineering - Foster Wheeler - TRC Training Tank protection device program

- Thai Rotary - Toyothai- IRPC / Lube tank farm - PTT GC / Tank farm AR1

Add on Representative Agent with:- FC Korea / Korea (Flow meter solution)- Technical / Italy (

Add on Representative Agent with:-Fossil / Canada ( )-Barton Firtop / UK ( )-Simco / UK ( )

Add on Representative Agent with: -Delta Control / UK (Pressure )

Add on Representative Agent with: -SKS / Finland ( olution)

2009

2010

2011

2012

2013

2014

2015

2016

201 A

F.Y. Client Name Project Name

MAY. 2017 PTT Global Chemical Public Co.,Ltd PTT GC Refinery MRO BIZ

APRIL. 2017 Mae Moh Power Plant Mae Moh Power Plant Unit 4 – 7 Replacement Plant ByBestech Engineering

MAR. 2017 Bangchak Corporation Turn – around maintenance KSBBFI – 30 Units (DeltaElmech)

MAR. 2017

MAR. 2017 WPGE Phetchaburi Company Limited Phetchaburi Praince Project by E SQUARE ENVIRONMENT

DEC. 2016 Waste Water 11 Tanks by Gencon Engineering Co.,Ltd.

DEC. 2016 Verasuwan Co.,Ltd. Replacement PVRV w/ Flame Aresster 2" 13 sets Project

OCT. 2016 TTM Songkla MRO BY TYCOON UNITED (ASIA) CO.,LTD.

SEP. 2016 IRPC Public Co.,Ltd. Improve GV system of SAN1SAN2 tank (15PCP161)

MAY. 2016 TTCL Public Co.,Ltd. LLDPE Expansion and Hexene 1 Project (D 184)

APR. 2016 KS Biogas G160/1039/APT KS Biogas G160/1039/APT by Gencon Engineering

MAR. 2016 Thai Polyacetal Co.,Ltd. Emergency Vent Cover “KSPC”

SEP. 2015 Eternal Resin Warehouse tank yard Pedesing Project

SEP. 2015 SCG Chemical MTT Project (Existing more than 70%)

AUG. 2015 Bangchak Biodiesel Project Bangchak Biodiesel Project By TRC Construction PLC.

APR. 2015 SCG Chemical VCM1 Debottleneching & Environmental Improvement

MAY. 2015 Project in Myanmar / Project GulfNongsang & Uthai

Project in Myanmar / Project Gulf Nongsang & Uthai ByUnimit Engineering

OCT. 2014Central Wastewater Treatment Plant

Petroleum / Central Wastewater Treatment Plant ByItalthai Engineering Co.,Ltd.

MAR. 2014 IRPC Chum porn Terminal ExpansionStorage Project

IRPC Chum porn Terminal Expansion Storage Project ByNew Star Internationnal Co.,Ltd.

OCT. 2014 PTT Phenol Train II PTT Phenol Train II By Thai Rotary Engineering

AUG. 2014 Thai oil – Labix Project Thai oil – Labix Project By BJC Heavy Industries

JUN. 2014 PTT Maintenance and Engineering Aromatics II Debottlenecking Project (PTT GC)

APR. 2014 PTT PCL “C P P 1 308 13 0003 Project” PTT PCL “C P P 1 308 13 0003 Project” By PATKOL PCL

APR. 2014 D 343W

MAR. 2014 PTT MCC Biochem / PBS (D 172) PTT MCC Biochem / PBS (D 172) By Toyo ThaiCorporation PLC

FEB. 2014 TPI Polene VAE 2 Project

JAN. 2014

FEB. 2013 Siam Chemical Tanks expansion (FA 24 Units)

APR. 2013 Bangchak Petroleum PVRV Improvement (KSPC – Installed base)

FEB. 2013 BPE – PTT ME HDPE Pluto Pilot Plant

FEB. 2013 PTT PHENOL PTT Phenol Project (Phenol#1&2)

APR. 2013 IRPC CO.,LTD. EBSM Plant (KSPC installed base in F’Y 1998)

KSPC PROJECT REFERENCE LIST

AURORAWORKS CO., LTD.

AUG. 2017 THAI MMA CO., LTD. Project: BMA#2 & MAA#2 By TTCL Public Co.,Ltd.

Be recognized as the leading supplier in delivering smarter of Tank protection devices & instrumentation and solutions.

To deliver superior customer services and solutions to our customers effectively and efficiently.

About Us

Vision

Mission

Aurora Works Co., Ltd. was established in 2008 with more than 10 years’ experience in petrochemical oil & gas, Power plant, cement plant, pulp & paper in Thailand markets.With representative & distribution, and services of instrumentation, electrical, mechanical c/w valves solution,Such as; Tank protection device, Water level detection products, Flow, Temperature, Pressure, Control Valve and cover engineering service. Aurora Works is the exclusive distributor for K.S.P.C. (Korea), Fossil (Canada), FC Korea (Korea), SKS (Finland), Elmess (Germany), Barton Firtop (UK), Delta Control (UK), Simco (UK), Technical (Italy), Max Muller (Switzerland) and NEW-FLOW (Taiwan).

INSTRUMENT SERVICE

SERVICE SOLUTION

INSTRUMENT SERVICE SOLUTION

MECHANICAL SERVICE SOLUTION

PRODUCTS AUTHORIZATION 1. KSPC Tank Protection Devices Korea

(API2000)BS7244 and BSEN 12874) 2. Fossil High pressure water Canada

Column LG.3. Delta Controls Pressure Transmitters UK 4. Barton Firtop Basket Strainer UK 5. Technical Safety Valves (API 526) Italy 6. Simco Reflex/Transparent UK

Magnetic Level (Premium grade.)7. Elmess Submersible Heater Germany 8. SKS Thermocouple, RTD Finland9. FC-Korea Flow meter Korea

10. Max Muller Process illumination Switzerland11. New Flow Instrumentation Taiwan

Economic

SERVICE DEPARTMENT 1. Calibrate and inspection test PVRV (Breather

Valves, ERV, and Blanketing Regulator.)KSPC

2. Installation / Calibrate Flow Computer (OMNI)3. Calibrate Field instrumentation such as:

Pressure Gauge, Transmitter, controller andvalves

4. Installation Tank Protection Device & WaterDrum level gauge and commissioning

5. Preventive maintenance UPS and batteryunder APC brand.

6. PLC programmer project7. Installation Metal detector under brand EGE /

Germany for mine - application.

PRODUCTS & SERVICES

Aurora Works Co., Ltd.Tel.: 66 2815 5114 Fax: 66 2815 6128 http://www.aurora-works.com E-mail: [email protected]

aurora works co., ltd. - tank safety & protection...

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