annexure-1:technical specification of manual valves

1

ANNEXURE-1:TECHNICAL SPECIFICATION OF MANUAL VALVES

Type of valve

Tag No

Quantity

:

:

:

As given in Table 1

As given in Table 1

As given in Table 1

Actuation

Application

Fluid Medium

Working temperature range

Nominal Size (mm)

Pressure rating class

:

:

:

:

:

:

Hand-operated by wheel (Manual)

Isolation

As given in Table 1

300 – 310 K

As given in Table 1

As given in Table 1

Valve coefficient (Cv) : To be specified by the bidder in thequotation

Permissible leak rate acrossseat (through) in forwardand reverse directions

: Bubble-tight as per API 598 orRate A as per BS 6755 Part 1

End connection : As given in Table 1. The acronymsshall be read as follows:

BW: Butt welding ends as per ASME B16.25 and Pipe stubs as per ASME B /36.10 of 150 mm length each shall bebutt-welded to the body on eitherside, the ends of which shall beprepared for butt welding. The buttwelding ends shall be suitable to matewith the interfacing pipe of size &schedule number as given in Table 1.

Flanged: Raised Face (RF) flanges

2

with serration as per ASME B 16.5.

Body : With full port (standard bore) and in-line end connections

Bonnet : Bolted or screwed to body withsuitable seals/ gaskets.

Stem : Rising stem with outside screw andYoke (OS&Y) pattern

Stem (dynamic) seal : By gland packing

Plug : Renewable (replaceable) from stem

Seat : Renewable from body with seat insert

Flow direction : Flow-to-open (globe valve)

Material of construction:

Body and bonnet : ASTM A 182 F 304/ 304L/ 316L/ 321(or) ASTM A 351 CF 3/3M /CF8 /8M

Stem, plug & seat : ASTM A 479 304/ 316/ 304L/ 316L/321

Gland packing : PTFE/ Glass-filled PTFE, PCTFE (Kel-F)

Plug and seat inserts : ASTM A 479 304L/ 316L /321

Pipe stub (end connection) : Seamless pipe, ASTM A 312 TP Gradesame as that of the body

Bolts : ASTM A 193 Gr B 8,

Nuts : ASTM A 194 Gr 8

The valves shall be either inherently anti-static or provided with anti-static features.

3

Design code : BS 5352/ BS 1873/ API 6-D/ ASMEB16.34 / Relevant standard

Test code : BS 6755 Part 1/ API 598/ ASME B16.34/ Relevant standard

Tests:

a. Material test certificates: The material test certificates, detailingthe physical and chemical properties, of the principal pressure–bearing parts shall be provided.

b. Welding joint test (wherever applicable): All butt welding joints inthe valve shall be subjected to dye-penetrant test and radio-graphic test with X-ray or gamma ray to 2-2T sensitivity and allsocket weld joints shall be subject to Dye-Penetrant test.

c. Soundness test for castings (wherever applicable): All the castingsshall be subjected to soundness test with radio-graphic or ultra-sonic technique for flaw detection.

d. Hydraulic shell pressure test: The valve, upon final assembly, inpartially open position, shall be subjected to pressure test withWater (with suitable corrosion inhibitor) at 1.5 times the maximumrated working pressure of the particular pressure rating class ofthe valve.

e. Hydraulic seat pressure test: The valve, in closed position, shall besubjected to pressure test with Water (with suitable corrosioninhibitor) at 1.1 times the maximum rated working pressure of theparticular pressure rating class of the valve.

a. Pneumatic seat leak test: The leakage rate across seat shall betested with dry air or gaseous Nitrogen at 0.4 to 0.7 MPa (g) bywater displacement (bubble) method.

Cleanliness

All the interior flow surfaces of the valve shall be degreased andcleaned.

Marking

All the valves are assigned tag numbers for the sake of identification.The tag number for each valve, as indicated above, besides size,pressure rating class, material of construction, etc, shall be legiblyand indelibly engraved on the body of the valves.

Quality Assurance Plan: As given in Table 1A.

4

Table 1: LIST OF MANUAL VALVES

SNo Tag number Type of

Valve Fluid medium Nominal size,metric

PressureRatingclass,metric

Schedulenumber ofinterfacing

pipeEnd connection Quantity,

Nos

1SVM 601A,

SVM 601B &SVM 601C

Globe GaseousHelium DN 15 PN 420 XXS

Butt weldingends as per

ASME B 16.253

2 TVM 702A Globe GaseousNitrogen DN 20 PN 420 XXS


ASME B 16.251

3 FVM 701A & FVM 701B Globe GaseousNitrogen DN 20 PN 520 XXS


ASME B 16.252

3

TVM 701,TVM 701A,TVM 701B,

TVM 701C, TVM 701D& TVM 701E

Globe GaseousNitrogen DN 25 PN 420 XXS


ASME B 16.256

4 SVM 901 A GateDe-

mineralizedwater

DN 32PN 250(MAWP-18 MPa)

_ANSI B 16.5

DN 32, 1500#SRF Flange

1

5 SVM 602A, SVM 602B,SVM 602C & SVM 602D Needle Gaseous

Helium

DN 15(MinimumInternal

Diameter:10 mm)

(MAWP-40 MPa) 160


ASME B 16.254

5

Table 1A: QUALITY ASSURANCE PLAN FOR MANUAL VALVES

SNo Test Object tested Characteristic

sought forSample

sizeTest

procedureAcceptance

criterionForm ofrecord

Testperformed

by

Testwitnessed

by

Recordreviewed

by

1. Material testSpecimenfrom rawmaterials

Chemicalcompositionand physicalproperties

1 perlot

Relevantstandard

Relevant materialspecification

Materialcertificate

Vendor orThird partylaboratory

-Vendor,Inspector,Purchaser

2.Welding jointtest (whereverapplicable)

Socketwelding joints

Absence ofsurface defects 100 % Dye

penetrant testRelevantstandard

Testcertificate Vendor - Inspector,

Purchaser

Butt weldingjoints

Absence ofdefects 100 %

Dyepenetrant test&Radiographictest

ASME, Section IX Testcertificate Vendor - Inspector,

Purchaser

3.Soundness testfor castings(whereverapplicable)

Castings Absence ofdefects 100 %

Radiographicor ultrasonictest

Relevantstandard

Testcertificate Vendor - Inspector,

Purchaser

4. Dimensionalcheck Valve Dimensions 100 % Metrology

Relevantstandard/Purchaser-approved drawing

Testreport Vendor - Inspector/

Purchaser

5. Hydraulic shellpressure test

Valve in openposition

Structuralintegrity understress

100 %1.5 timesmaximumrated workingpressure

BS 6755 Part 1/API 598/Relevantstandard

Testcertificate Vendor Inspector Purchaser

6

Table 1A: QUALITY ASSURANCE PLAN FOR MANUAL VALVES

SNo Test Object tested Characteristic

sought forSample

sizeTest

procedureAcceptance


Testperformed

by

Testwitnessed

by

Recordreviewed

by

6. Hydraulic seatpressure test

Valve inclosedposition

Structuralintegrity of seatunder stress

100 %1.1 timesmaximumrated workingpressure



7. Pneumatic seatleakage test


Leakage rateacross seat 100 %

Waterdisplacementmethod



8. Cleanliness Valve Degreasing &Cleaning 100 % Relevant

standardRelevantstandard Certificate Vendor _ Inspector,

Purchaser

Notes: 1. Inspector: Third party inspection agency2. The Purchaser shall perform the Material Receipt Inspection (MRI).

1

ANNEXURE 2: SPECIFICATION OFBELLOW SEALED CRYOGENIC MANUAL VALVES

Type of valve : Extended Stem Bellow sealedcryogenic Globe manual valve

Tag number : As given in Table-2

Quantity : As given in Table-2

Actuation : By Hand wheel operation (or)Hand wheel with gear mechanism(for DN 100 valve)

Application : Shut-off/ isolation/ on-off

Fluid medium : As given in Table-2

Working temperature range : 77 to 310 K

Nominal size ( mm) : As given in Table-2

Maximum Allowable WorkingPressure (MAWP)

: As given in Table-2

Valve coefficient : To be specified by the bidder inthe quotation

Permissible Helium leakagerate across body

: 1E-7 Pa-m3/s (1E-6 mbar l/s.)

Permissible Helium leakagerate across seat in both thedirections

: 1E-6 Pa-m3/s (1E-5 mbar l/s.)

Guaranteed Cycles ofoperation

: 5,000

Length of stem extension : As per BS 6364 or equivalent

End connection:

BW: Butt welding ends as per ASME B 16.25, pipe stubs as perASME B 36.10 of 100 mm length each shall be butt-welded to

2

the body on either side, the ends of which shall be prepared forbutt welding. The butt welding ends shall be suitable to matewith the interfacing pipe DN 100, schedule number 10S for valvesize DN 100 & pipe DN 25, schedule number 10S for valve sizeDN 25.

Style of construction:

Body : With full port (standard bore)and in-line end connections

Bonnet : Bolted or screwed to body withsuitable seals

Stem : Non-rotating, rising stem

Stem (dynamic) seal : By bellows with redundant glandpacking. Between the bellowsseal and the redundant glandpacking, a tell-tale indicatorpressure gauge shall be provided.

Plug : Renewable (replaceable) fromstem with insert

Seat : Integral with body and harderthan the plug insert

Flow direction : Flow-to-open (Flow-under-plug)


Body, collar and bonnet : ASTM A 182 F 304/ 316/ 304L/316L/ 321 (or) ASTM A351 CF3/3M /CF 8/8M

Stem, plug, seat, seat insert : ASTM A 479 304/316/ 304L/316L/ 321

Bellows : Stainless steel 316L/ 316Ti/ 321/Hastealloy C 276/Inconel 600/ 625

Gland packing : PTFE/ Glass-filled PTFE/ PEEK

Plug insert/ trim : PCTFE (Kel-F)/ Polycarbonate/Vespel.

3

Pipe stub : Seamless pipe - ASTM A 312 TP304L

Bolts : ASTM A 193 Gr B 8Nuts : ASTM A 194 Gr 8The valves shall be either inherently anti-static or provided withanti-static features.

Design code : EN ISO 15761 / BS 1873/ BS6364/ API 6-D/ ASME B16.34 orequivalent

Test code : EN ISO 12266-1 / BS 6364/ API598/ ASME B 16.34 or equivalent

Tests:


b. Bellows cyclic life test: Sample bellows drawn from each batch ofthe same size and type shall be subjected to (destructive) cycliclife (proto-type) test as per BS 5352/relevant standards. If themanufacturer of the bellows has already performed such test, copyof the certificate may be produced.

c. Welding joint test (wherever applicable): All butt welding joints inthe valve (including the joints between the body and the pipestubs) shall be subjected to dye-penetrant test and radiographictest with X-rays or gamma rays to 2-2T sensitivity as per SectionIX, ASME. All the socket welding joints shall be subject to dye-penetrant test.

d. Functional Test: Each valve has to be subjected to functional testfor free operation of valves to the full stroke length.

e. Soundness test for castings (wherever applicable): All the castingsshall be subjected to soundness test with radiographic orultrasonic technique for flaw detection.

f. Pre-assembly hydraulic shell pressure test: The valve shell, priorto assembly with the bellows, in partially open position, shall besubjected to pressure test with Water (with suitable corrosioninhibitor) at 1.5 times the maximum rated working pressure of theparticular pressure rating class of the valve.

4

g. Final hydraulic shell pressure test: The valve, upon final assemblyincluding the bellows, in partially open position, shall be subjectedto pressure test with Water (with suitable corrosion inhibitor) at1.1 times the maximum rated working pressure of the particularpressure rating class.

h. Hydraulic seat pressure test (in both directions): The valve, inclosed position, shall be subjected to pressure test in both forward& reverse directions with Water (with suitable corrosion inhibitor)at 1.1 times the maximum rated working pressure of the particularpressure rating class of the valve.

i. MSLD shell leakage test: The global leakage rate across body shallbe measured with gaseous Helium Mass Spectrometer LeakageDetector (MSLD) to establish the permissible leakage rate valuesspecified above by hood technique as per Article 10, Section V,ASME. The leakage test shall be performed by shrouding the entireoutside surface of the valve with a plastic bag to hold gaseousHelium + gaseous Air mixture at a positive pressure and byevacuating and connecting the inlet/ outlet port to MSLD. Leakagetest by detector probe or tracer probe technique is not acceptable.

j. MSLD seat leakage test (in both directions): The global leakagerate across seat in both forward & reverse directions shall bemeasured with gaseous Helium MSLD to establish the permissibleleakage rate values specified above by hood technique as perArticle 10, Section V, ASME. The leakage test shall be performedby pressurizing the inlet with gaseous Helium + gaseous Airmixture and by evacuating and connecting the outlet to MSLD.Leakage test by detector probe or tracer probe technique is notacceptable.

Cleanliness

All the interior flow surfaces of the valve shall be degreased andcleaned to Oxygen service standards

Marking

All the valves are assigned tag numbers for the sake of identification.The tag number for each valve, as indicated above, besides size,pressure rating class, material of construction, etc, shall be legiblyand indelibly engraved on the body of the valves.

Quality assurance plan : As given in Table 2A.

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Table 2: LIST OF MANUAL BELLOW SEALED CRYOGENIC GLOBE VALVES

S No Tag number Fluid mediumNominal size,

metric(mm)

Maximumallowable

Working Pressure(MAWP) bar (a)

Schedulenumber ofinterfacing

pipe

Endconnection

Quantity,Nos

1 UVM 3001 Liquid Oxygen/Liquid Nitrogen DN 100 16 10 S


ASME B 16.251

2SVM 328,

SVM 328A &SVM 329

Liquid Nitrogen DN 25 12 10 SButt weldingends as per

ASME B 16.253

6

Table 2A: QUALITY ASSURANCE PLAN FOR BELLOW SEALED CRYOGENIC MANUAL VALVES

SNo Test Object

testedCharacteristic sought for

Samplesize Test procedure Acceptance


Testperformed

by

Testwitness

ed &certifie

d by

Recordreviewed

by

1. Material testSpecimenfrom rawmaterials


1 per heat/lot

Relevantstandard


Materialcertificate


-Vendor,Inspector,Purchaser

2. Bellows cycliclife test Bellows Cyclic life

under fatigue

1 perbatch ofsame sizeand type

BS 5352 BS 5352 Testcertificate Sub-vendor -

Vendor,Inspector,Purchaser

3.Welding jointtest (whereverapplicable)

Socketweldingjoints

Absence ofsurfacedefects

100 % Dye penetranttest Relevant standard Test

certificate Vendor - Inspector,Purchaser

Buttweldingjoints

Absence ofdefects 100 %

Dye penetranttest &radiographic test

ASME, Section IX Testcertificate Vendor - Inspector,

Purchaser

4.

Soundnesstest forcastings(whereverapplicable)

Castings Absence ofdefects 100 % Radiographic or

ultrasonic test Relevant standard Testcertificate Vendor - Inspector,

Purchaser

5. Dimensionalcheck Valve Dimensions 100 % Metrology

Relevant standard/Purchaser-approved drawing

Testreport Vendor - Inspector,

Purchaser

7

Table 2A: QUALITY ASSURANCE PLAN FOR BELLOW SEALED CRYOGENIC MANUAL VALVES

SNo Test Object

testedCharacteristic sought for

Samplesize Test procedure Acceptance


Testperformed

by

Testwitness

ed &certifie

d by

Recordreviewed

by

6.Pre-assemblyhydraulic shellpressure test

Valvebeforeassembly


100 %1.5 timesmaximum ratedworking pressure

BS 6755 Part 1/API 598/ASME B 16.34

Testcertificate Vendor Inspect

or Purchaser

7.Final hydraulicshell pressuretest

Valve afterassembly

Structuralintegrity ofbody understress




or Purchaser

8.Hydraulic seat(in bothdirections)pressure test


Structuralintegrity ofseat understress




or Purchaser

9. MSLD shellleakage test

Valve inopenposition

Leakage rateacross body 100 % ASME, Section V,

Article 10Purchase orderspecification


or Purchaser

10.MSLD seat (inbothdirections)leakage test


Leakage rateacross seat 100 % ASME, Section V,

Article 10Purchase orderspecification


or Purchaser

11. Cleanliness ValveCleanliness forOxygenservice

100 % Relevantstandard Relevant standard Certificate Vendor - Inspector,

Purchaser

Notes: 1. Inspector: Third party inspection agency. 2.The Purchaser shall perform the Material Receipt inspection (MRI)

1

ANNEXURE 3: TECHNICAL SPECIFICATION OF CONTROL VALVES

The control valve shall comprise valve, actuator and smart positionerwith integrated I/P converter & position transmitter.

Actuator, positioner, Air filter & regulator, flow booster, Quick exhaustvalve should be interconnected properly with stainless steel tubings.

Quantity : As given in Table-3

Tag number : As given in Table-3

VALVE

Pattern : Globe

Application : Orifice with opening variable from 0to 100 %

Actuation : By pneumatic actuator

Configuration of ports/ ways : As given in Table-3

Fluid medium : As given in Table-3

Working temperature range : 300 -310 K

Orifice diameter/valve co-efficient (kv)

: To be calculated by the bidder andgiven in the quotation

Inlet nominal pipe size xschedule number


Outlet nominal pipe size xschedule number


Operating conditions:

Inlet temperature : As given in Table-3

Inlet pressure : As given in Table-3

Outlet pressure : As given in Table-3

Flow rate : As given in Table-3

Flow characteristic : As given in Table-3

Permissible leakage rateacross body

: As per ASME B 16.104

2

Permissible leakage rateacross seat

: Class VI as per ASME B 16.104/FCI 70.2 for resilient-seated valves

Class IV as per ASME B 16.104/FCI 70.2 for hard-seated valves

Guaranteed cycles ofoperation

: 5,000

End connection : As given in Table-3


Body : With full port (standard bore) and in-line end connections

Bonnet : Bolted or screwed to body withsuitable seals/ gaskets


Stem (dynamic) seal : By gland packing

Plug : Renewable (replaceable) from stemwith insert

Seat : Renewable from body with ring(Alternatively, seat may be integralwith body provided that it is harderthan the plug insert.)

Flow direction : Flow-to-open (Flow-under-plug)


Body and Bonnet : ASTM A 182 F 304/ 304L/ 316L/ 321(or) ASTM A 351 CF 3/3M /CF 8/8M

Stem, Plug, Seat & Seatinsert

: ASTM A 479 304/ 316/ 304L/ 316L/321


Plug insert/ trim : PCTFE (Kel-F)/PEEK/ Vespel

Bolts : ASTM A 320 Gr B 8

3


Design & test code : ASME B16.34/ ASME B 16.104/FCI 70.2

Tests:

a. Material certificates: The material certificates, detailing the physicaland chemical properties, of the principal pressure–bearing parts shallbe provided.

b. Welding joint test (wherever applicable): All butt welding joints in thevalve shall be subjected to dye-penetrant test and radiographic testwith X-rays or gamma rays to 2-2T sensitivity as per Section IX,ASME. All the socket welding joints shall be subject to dye-penetranttest.

c. Soundness test for castings (wherever applicable): All the castingsshall be subjected to soundness test with radiographic or ultrasonictechnique for flaw detection.

d. Hydraulic shell pressure test: The valve, upon final assembly, inpartially open position, shall be subjected to pressure test with Water(with suitable corrosion inhibitor) at 1.5 times the maximum ratedworking pressure of the particular pressure rating class of the valve.

e. Pneumatic seat leakage test: The leakage rate across seat shall betested with dry air or gaseous Nitrogen as per ASME B 16.104/FCI 70.2.

Cleanliness

All the interior flow surfaces of the valve shall be degreased and cleaned.

Marking

The valve body shall be engraved/marked with tag numbers, size,pressure rating class, material of construction, valve coefficient, etc.

ACTUATOR

Type : Linear actuator, piston/diaphragm type, single acting,spring return, fail-safe

Normal position : Closed.

Command gas : Gaseous Nitrogen at suitablepressure supplied by the

4

positioner.

Response time (for bothopening and closing strokes)


If required, flow (volume)booster and quick exhaust valveshall be incorporated to achievethe specified response time.

End connection for commandgas

: DN 15 (1/2”) NPT (F) to ASME B1.20.1.

Material : Carbon steel (enamel-painted)

Test The response time taken foropening and closing of the valveshall be evaluated.

SMART VALVE POSITIONER:

Functional specification:

Type : Microprocessor-based smartvalve positioner

Travel length : 3 to 100 mm for linear motion

Position sensing : Hall-effect sensor or contact type

Auto positioning : The positioner shall haveprovision to carry out autotuning, which is selectable byhand-held communicator or bylocal switches

Positioner input:

Input : 4 to 20 mA, 2-wire.Power supplied by the 4 to 20 mAcurrent only. No external powersupply.

Input range : Range shall be configurablethrough hand-held communicatoror by local switches

Voltage drop : 11 V DC maximum at 20 mA

5

Minimum current : 3.8 mA

Communication : HART protocol, digital signalsuperimposed on the 4 to 20 mAcurrent signal

Reverse polarity protection : Reverse polarity shall notdamage the positioner

Command gas supply : Gaseous Nitrogen at 0.7 ± 0.1MPa(g)

(If the positioner or actuator isdesigned for lesser pressure,suitable pressure regulator, alongwith filter, shall be provided.)

Positioner output:

Output to actuator : 0 to 100 % command gaspressure, double action

Command gas outputpressure

: 0.14 to 0.7 MPa(g)[20 to 100 psig]

Indication : 4½ digit LCD indicator

Feedback : 2-wire, 4 to 20 mA outputcorresponding to valve position

Output range : Shall be configurable throughhand-held communicator or bylocal switches

Flow characterization : Linear, equal percentage, quickopening, 16 freely selectablepoints

Gain : Selectable through hand-heldcommunicator or locallyadjustable

Travel time : Adjustable through hand-heldcommunicator or locallyadjustable

Performance specification:

Resolution : 0.1 % of full scale

Repeatability : 0.1 % of full scale

6

Hysterisis : 0.2 % of full scale

Command gas consumption : 0.25 Nm3/h at 0.14 MPa(g)supply pressure

0.7 Nm3/h at 0.56 MPa(g)supply pressure

Output capacity : 46.7 Nm3/h at 0.56 MPa(g)supply pressure

Operating temperature : 233 to 358 K (-40 to 85ºC)

Vibration effect : 0.3 % per 9.81 m/s2

EMI effect : To be designed to comply withIEC 801 and EN 50081 and EN50082

Physical specification:

Electrical connection : DN 15 (1/2”) NPT as per ASME B1.20.1.

Supply and outputpneumatic connection

: DN 15 (1/2”) NPT as per ASME B1.20.1.

Pressure gauge : Pressure gauges for supply andoutput command gas to beprovided

Mass : 3 kg approximate

Ingress protection class : IP 67

Make and model number : To be specified by the bidder inthe quotation

Suggested make : a. Smar, Brazilb. ABB, Germany

Quality assurance plan: As given in Table 3A.

Table-3: List of Globe Control ValvesOperatingconditions

Response time, s

Normal position

End connection

Flow characteristic

MAWP (Mpa)

Outlet nominal pipe size (metric)x Schedule number

Inlet nominal pipe size (metric)x Schedule number

Workingtemperature range, K

Fluid medium

Quantity, Nos

Tag number

Inlet temperature, K

Inlet pressure, MPa

Outlet pressure, MPa

Flow rate, kg/s

Closing

FullOpening

300

12.5

12 0.8

≤ 3 s

≤ 3 s

Close

ANSI B 16.5,DN 40, 2500#,Flange, RJF

50 : 1 Equal %

35

DN 40 X 160 S

DN 40 X 160 S

300-325 K

DM Water

1

FVC 913300

12.5

0.3 6

300

8.5 0.4 4.8

≤ 3 s

≤ 3 s

Close

ANSI B 16.5,DN 40,900#,Flange,SRF

50 : 1 Equal %

10

DN 40 X 40 S

DN 40 X 40 S

300-325 K

DM Water

1

TVC 901

300

6.6 0.4 4

300

5.4 0.4

12.6

300

4.7 0.4

15.7

300

3.5 0.4

15.9

8

Table 3A: QUALITY ASSURANCE PLAN FOR GLOBE CONTROL VALVES

Sl.No Test Object

testedCharacteristic

sought forSample

size Test procedure Acceptancecriterion

Form ofrecord

Testperformed

by

Testwitnessed& certified

by

Recordreviewed

by1. Material test Specimen

from rawmaterials


1 perheat/ lot

Relevantstandard


Materialcertificate


- Vendor,Inspector,Purchaser

2. Welding jointtest (whereverapplicable)


Absence ofsurface defects

100 % Dye penetrant(DP) test

Relevantstandard

Testcertificate

Vendor - Inspector,Purchaser

Butt weldingjoints

Absence ofdefects

100 % Radiographictest &DP test

ASME, SectionIX

Testcertificate


3. Soundness testfor castings(whereverapplicable)

Castings Absence ofdefects

100 % Radiographic orultrasonic test

Relevantstandard

Testcertificate


4. Dimensionalcheck

Valve Dimensions 100 % Metrology Relevantstandard

Testreport





100 % 1.5 timesmaximum ratedworkingpressure

BS 6755 Part 1/API 598

Testcertificate

Vendor Inspector Purchaser

6. Pneumatic seatleakage test


Leakage rateacross seat

100 % ASME B16.104/FCI 70.2

Purchase orderspecification

Testcertificate


7. Cleanliness Valve Degreasing &Cleaning

100 % _ _ Certificate Vendor - Inspector,Purchaser

8. Response timetest

Valve Response time 100 % Vendor’sstandard


Testcertificate



1

ANNEXURE 4: TECHNICAL SPECIFICATION OFELECTROPNEUMATIC VALVE

The pneumatically-actuated valve shall comprise valve, actuatorand status switches.

A. VALVE

Tag number : SVP 901A

Quantity : 1 No.

Pattern : Gate

Application : Shut-off/ isolation/ on-off

Actuation : By pneumatic actuator

Fluid medium : DM water

Working temperature range : 300 – 310 K

Nominal size : DN 100

Pressure rating class as perASME

: 1500 lbs

Valve coefficient (Cv) : To be specified by the bidder inthe quotation

Permissible Helium leakagerate across body

: Bubble tight as per API 598

Permissible Helium leakagerate across seat

: Bubble tight as per API 598

Guaranteed Cycles ofoperation

: 5,000

2

End connection:

Flanged end connection, DN 100, 1500# Raised Face (RF) flangewith serration as per ASME B 16.5.


Body : With full port (standard bore)and in-line end connections

Bonnet : Bolted or screwed to body withsuitable seals


Stem (dynamic) seal : By gland packing.

Gate Plug : Renewable (replaceable) fromstem with insert

Seat : Integral with body.


Body and bonnet : ASTM A 351 F 304/ 304L/ 316L/321 (or) ASTM A 351 CF 3/3M/CF8 /8M

Stem, plug, seat, seat insert : ASTM A 479 304/ 316/ 304L/316L/ 321


Plug insert/ trim : PTFE/ PCTFE/ Glass-filled PTFE/PEEK

Bolts : ASTM A 193 Gr B 8


3

Design code : BS 5352/ ASME B 16.34/RelevantASME sandard

Test code : BS 6755 Part 1/ API 598/ ASMEB16.34/ Relevant ASME std

Tests:


b. Welding joint test (wherever applicable): All butt welding joints inthe valve (including the joints between the body and the pipestubs) shall be subjected to radiographic test with X-rays orgamma rays to 2-2T sensitivity as per Section IX, ASME. All thesocket welding joints shall be subject to dye-penetrant test.

c. Hydraulic shell pressure test: The valve, upon final assembly, inpartially open position, shall be subjected to pressure test withWater (with suitable corrosion inhibitor) at 1.5 times the maximumrated working pressure of the particular pressure rating class.

d. Hydraulic seat pressure test: The valve, in closed position, shall besubjected to pressure test with Water (with suitable corrosioninhibitor) at 1.1 times the maximum rated working pressure of theparticular pressure rating class of the valve.

Cleanliness

All the interior flow surfaces of the valve shall be degreased andcleaned.

Marking

The valve body shall be engraved/marked with tag number, size,pressure rating class, material of construction, etc.

4

B. ACTUATOR

Type : Linear actuator, piston/diaphragm type, single acting,spring return, fail-safe

Normal position : Closed

Command gas : Gaseous Nitrogen at 0.6 to 0.8MPa(g)

Response time (for bothopening and closing strokes)

: 5 s

If required, flow (volume)booster and quick exhaust valveshall be incorporated to achievethe specified response time.

End connection for commandgas

: DN 15 (1/2”) NPT (F) to ASME B1.10.1

Material : Carbon steel (enamel-painted)

Test The response time taken foropening and closing of the valveshall be evaluated.

C. STATUS SWITCHES

TypeCylindrical Inductive Type ProximitySensor (switch) in accordance withNAMUR

Sensing Distance

The sensing distance shall besuitably selected by the valvemanufacturer according to thevalve stroke length.

Electrical Configuration DC, 2 wire

Nominal Voltage 8 V

Operating Voltage 5 – 25

5

Switching Frequency ≥ 500 HZ

Reverse Polarity Shall be Protected against reversepolarity

Short-Circuit protection Shall be Protected for short circuit

CurrentConsumption

NotSensing ≥ 3 mA

Sensing ≤ 1 mA

Indication of switchingstate LED

Connection Type 2 metre long PVC Cable

Ambient Temperature - 250C to 800C

Housing Material Stainless Steel

Protection Degree IP 67

Safety Aspects Shall be intrinsically safe forHydrogen (IIC) ambience

Certification ATEX 1G EEx ia IIC T6

Note:

1. The valve shall be provided with pair of switches for meeting

the above specification.

2. The switches shall be mounted in the valve with proper

mounting arrangement so that it does not require any

adjustment / alignment for a minimum period of 5000 cycles

(opening/closing) of operation of valve.

3. The specification matrix (including Make & Model) of the

status switch shall be provided to the Department prior to

procurement of status switches for approval.

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Suggested Make:

a. PEPPERL & FUCHS - Germanyb. OMRON – USAc. Rockwell Automation – USAd. LongVale Ltd – UKe. Euroswitch - UKf. Cario Gavazzig. IFM electronic

D. Quality Assurance Plan : As given in Table 4A.

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Table 4A: QUALITY ASSURANCE PLAN FOR ELECTRO PNEUMATIC VALVESNo

Test Object tested Characteristicsought for

Samplesize

Testprocedure

Acceptancecriterion

Form ofrecord

Testperformedby

Testwitnessed &certified by

Recordreviewedby

1. Material test Specimenfrom rawmaterials


100% Relevantstandard

Relevantmaterialspecification

Materialcertificate


- Vendor,Inspector,Purchaser

2. Welding jointtest (whereverapplicable)


Absence ofsurface defects

100 % Dye penetrant(DP) test

Relevantstandard

Testcertificate


Butt weldingjoints

Absence ofdefects

100 % Radiographictest & DP test

ASME, SectionIX

Testcertificate


3. Dimensionalcheck

Valve Dimensions 100 % Metrology Relevantstandard

Testreport




Structuralintegrity of bodyunder stress

100 % 1.5 timesmaximumrated workingpressure

RelevantASME / APIstandard

Testcertificate


5. Hydraulic seatpressure test


Structuralintegrity of seatunder stress

100 % 1.1 timesmaximumrated workingpressure

RelevantASME / APIstandard

Testcertificate


6. Cleanliness Valve Degreasing &Cleaning

100 % Relevantstandard

Relevantstandard

Certificate Vendor - Inspector,Purchaser

7. Response timetest

Valve Response time 100 % Vendor’sstandard


Testcertificate



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ANNEXURE 5: SPECIAL CONDITIONS FOR MANUAL VALVES,BELLOW SEALED CRYOGENIC MANUAL VALVES,

CONTROL VALVES AND ELECTRO PNEUMATIC VALVE

1. Guarantee/warranty: The valves shall be guaranteed/warranted for satisfactory performance over a period of 18months from the date of dispatch from the vendor’s factory or12 months from the date of commissioning at the purchaser’ssite, whichever is earlier.

2. Inspection: The Inspection of the valves shall be carried out bythe Third Party Inspection (TPI) agency. The scope ofinspection shall be as per the Quality Assurance Plan (QAP)given in Tables 1A, 2A, 3A & 4A and Technical specifications asgiven in Annexure 1, 2, 3 & 4.

TPI agency, shall be chosen from the following list only:

a. Lloyds Register Industrial Services Pvt Ltd (LRIS)b. Bureau Veritas Industrial Services Pvt Ltd (BVIS)c. Det Norske Veritas (DNV)d. Technischer Uberwachungs Verein (TUV)e. Bax Counsel Inspection Bureau Pvt Ltd

It shall be the responsibility of the vendor to arrange for andcoordinate with the TPI agency.

3. Spares: The spare parts and special tools required for operationand maintenance of the valves for 2 years shall be supplied.The detailed list of such spares shall be mentioned in thequotation.

4. Documentation: The following documents (2 copies, in English)shall be provided by the vendor at the different stages specifiedthereupon:

4.1. Along with Techno commercial bid (Part-I):

The following documents/details shall be provided:

4.1.1. Complete technical description, including valve co efficientalong with drawings & catalogues of all the valves quoted.Make& model No. of positioner, sizing calculations for the controlvalves quoted.

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4.1.2. Deviations, if any, from the tender enquiry specification shallbe explicitly spelt out. Otherwise it will be presumed that theoffer is as per tender specification.

4.1.3. The company profile of the vendor highlighting the following:

a. Status as to whether the vendor is a valve manufacturer,trader, dealer, stockiest, agent, etc.

b. Infrastructural facilities such as factory area, machineries,equipments, material handling devices, instruments, tools,tackles, etc owned by the vendor.

c. Previous experience: Bidder shall submit evidence ofprevious experience in the form of Purchase order and ThirdParty Inspection certificate of Manual valves, Control valves,cryogenic valves & Electro pneumatic valves supplied in thepast.

d. Clientele specifying the clients to whom the vendor hassupplied similar cryogenic valves indicating their address,telephone, fax, email, contact person, etc.

4.1.4. Non acceptability of part order should be indicated in thequotation otherwise it will be presumed that part order isacceptable.

4.1.5. If any of the details required as per tender are not provided theoffer will be summarily rejected.

4.1.6 The bidder strictly should not indicate the price break-updetails in Techno-Commercial bid (Part-I), otherwise thebid will be summarily rejected.

4.2 Along with Price bid (Part-II):

The bidder shall indicate the price break-up details such asbasic valve price, testing charges, inspection charges, sparesprice, freight, taxes & duties, packing & forwarding charges,etc. only in the Price bid (Part-II).

4.3 Within 2 WEEKS from placement of purchase order, thefollowing documents shall be provided. These documents aresubject to review by the purchaser. Only upon receipt of the

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Purchaser’s approval of these documents, the vendor shallproceed with manufacture of the valves. However, thepurchaser’s approval shall not absolve the vendor of theirresponsibility to comply with the specification of purchaseorder.

4.3.1 General Arrangement (GA) drawing, indicating the overalldimensions of the product along with the accessories.

4.3.2 Detailed cross sectional/ fabrication drawing of the valve,indicating the dimensions and Material of Construction (MOC) ofeach trim/ part.

4.4 Upon satisfactory inspection of the valves, the followingdocuments shall be provided. The purchaser shall review thesedocuments for compliance with the specification of thepurchase order and issue “purchaser’s delivery clearance”. Onlyupon receipt of the same, the vendor shall proceed withdelivery of the valves.

4.4.1 Certificates of tests specified in Annexure 1 (for manualvalves), Annexure-2 (for bellow sealed cryogenic manualvalves), Annexure-3 (for Control valve) and Annexure-4 (forElectro pneumatic valve) shall be authorized by the inspector.

4.4.2 Inspection report by the inspector.

4.5 Along with the consignment, the following documents shallbe provided:

4.5.1 Instruction manual for installation, operation, maintenance andtrouble-shooting.

4.5.2 Guarantee/ Warranty certificate.

5 The delivery period for supply of valves shall be 5 monthsfrom the date of Purchase Order.

annexure-1:technical specification of manual valves

Documents