flow solutions divisionlation, operation and maintenance of flowserve products. because flowserve...
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THE NETHERLANDS
RoosendaalPhone (31) 165-581400
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MAJOR EUROPE, MIDDLE EAST & AFRICA CONTACTS
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BELGIUM
POLANDWarszawaPhone (48) 22-844-7108
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UNITED KINGDOMManchesterPhone (44) 161-8691200
GERMANYDortmundPhone (49) 231-6964-0
WORLDWIDE HEADQUARTERS
UNITED STATES OF AMERICA 222 West Las Colinas Blvd, Suite 1500 Irving, TX 75039 Dallas Phone (1) 972-443-6500.
www.flowserve.com
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SPAINTarragona Phone (34) 977-544400
Abu DhabiPhone (971) 2-317141
SWITZERLANDOensingen Phone (41) 62-3883088
UNITED ARAB EMIRATES
Flow Solutions DivisionBW SealsDurametallic Seals Pacific Wietz SealsPac-Seal
The GX-200 in a conventional pump is your lowest operating cost solution
Type: Gas barrier cartridge canister dual seal with non-contacting faces
Temperature: -40°C to 260°C (-40°F to 500°F)
Product Pressure: Full vacuum to 14 bar (200 psig)
Shaft Speed: 2.5 to 35 m/s (500 to 7,000 fpm)
Available Sizes: 25 mm to 75 mm (1 inch to 3 inch)
Equipment: DIN, ISO and ANSI pumps with standard bore seal chambers; ANSI pumps withexpellers; industrial fans and blowers
The information and specifications presented in this product brochure are believed to be accurate, but are supplied for information purposes only and should not be considered certified or as a guaranteeof satisfactory results by reliance thereon. Nothing contained herein is to be construed as a warranty or guarantee, express or implied, with respect to the product. Although Flowserve Corporation can pro-vide general application guidelines, it cannot provide specific information for all possible applications. The purchaser/user must therefore assume the ultimate responsibility for the proper selection, instal-lation, operation and maintenance of Flowserve products. Because Flowserve Corporation is continually improving and upgrading its product design, the specifications, dimensions and information con-tained herein are subject to change without notice.
An optional gas barrier control panel isavailable for the GX-200. This compact,self-contained, easy-to-use unit includesall controls necessary for simple, effi-cient seal operation. It also eliminatesthe time, expense and hassle of instal-ling each component separately.
Technical information and operating parameters
4 HP savings equals approxi-mately $2,000annual savingsusing the GX-200
HP re
quire
d fo
r GX
-200
& p
ump
HP re
quire
d fo
r se
alle
ss p
ump
25
20
15
10
5
0
Hors
epow
er
Comparison based onpumps of similar flowand head operating365 days a year, 24 hours per day.
Sealless pumps require approximately25% more horsepower to achieve thesame flow and head as a conventionalpump sealed with a GX-200.
Easier to install and maintain than closed-loop liquid barrier sealsIUnlike complicated liquid barrier supply systems, the clean gas supply system required for the GX-200 is simple to install andmaintain. Just tap into a gas supply header and install a pressure regulator, filter, flow meter, and pressure gauge. Because thegas is dead-ended in the seal, no purge or continuous flow through is needed.
PressureGauge
Flow Meter
Filter
PressureRegulator
GasBarrierSource
Rev 11/03 EUR FSD 105
Flow Solutions Division
GX-200Gas Barrier Seal for standard bore seal chambers
The GX-200, a superior design utilizing non-contactinin a wide variety of applications
The GX-200 seal not only offers our exclusive non-contactingseal face technology for extended equipment life, but increasedenergy savings and reliability.
The new GX-200 is more than a gas barrier seal thatoffers zero emissions, increased energy savings, andincreased reliability, it is specifically engineered to fitstandard or small bore seal chambers without requi-ring pump modifications.
Best of all, the GX-200 combines these engineering advances:
• proven Advanced Pattern Groove System (APGS) face geometry for non-contacting seal face operation
• a reliable metal bellows design for long life operation
• the installation simplicity of a cartridge design.
Unique face pattern is the key to zero emissions and long life
• Exclusive patented* face pattern contains special shallow grooves to provide both hydrostatic and hydrodynamiclift of the seal faces. Results are reduced energy consumption during pump start-up and operation, and no sealface wear.
• The GX-200 is designed to provide zero product emissions performance even under off-design or dry runningconditions that can cause sealless pumps to fail.
The GX-200 is designed for applications in chemical processing, hydro-carbon processing, pulp and paper, pharmaceutical and food processingindustries. This pressurized dual seal configuration provides outstandingperformance in processing environments and helps to facilitate compli-ance with hazardous emissions regulations.
Reduces operation and maintenance costs• Eliminates the costs of maintaining a liquid barrier system and
eliminates barrier fluid contamination of the process.
• Provides cost and performance advantages over sealless pumps.
c 2003 Flowserve Corporation
Materials of ConstructionMetal Parts 316 Stainless Steel
(other metallurgies available)
Rotor Alpha Sintered Silicon Carbide
Stators Premium Resin Grade Carbon (standard)Alpha Sintered Silicon Carbide
Elastomers Fluoroelastomer (standard)Perfluoroelastomer (optional)
Bellows Capsules Alloy C (standard)Inconel 718 (optional)
ngseal face technology for outstanding performanceGas barrier inlet tap
Inner and outer stators are flexibly mounted to minimize detrimental face deflections. Premium grade carbon used for general services.
Dual ply non-vented bellows eliminatesdynamic O-ring hang-up.
Cartridge sleeve assembly mounts to pump shaft. Seal is preassembled, preset, and pretested at the factory.
Centering tabs ensure the seal is properly centered to the shaft during installation.
Special rotor drive key provides enhanced positive engagement.
Single rotor with APGS face pattern designs on both sealing surfaces. Constructed of premiumgrade silicon carbide.
Exclusive balance piston allows for positive process sealing during pressure upset conditions by hydraulically closing the inner faces.
External designmounts to face of seal chamber
Tapered shroud protects bellows and redirects
particulate