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The company attaches importance to product quality and unremittingly carries out R & D, enjoying the reputation of "excellent quality" in the world. Because of this, we insist on providing customers with meticulous service with first-class quality products and good delivery capacity.

Product

Pure Metal Diaphragm Valves (GM Series)

HANGONG GM series pure metal diaphragm valves are economical and versatile valves, which are applicable to both corrosive and non corrosive fluids, and conform to the standard of large flow diaphragm valves.
010-52913381
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HANGONG GM series pure metal diaphragm valves are economical and versatile valves, which are applicable to both corrosive and non corrosive fluids, and conform to the standard of large flow diaphragm valves.
The structure includes: 316L stainless steel main body, various valve seat materials, Eligiloy alloy, diaphragm and outer surface metal conform to the metal seal leakage integrity standards.
Product features
Ø  The content of sulfur and other magazines in stainless steel is low, which ensures the reliability of materials
Ø  Testing and packaging in clean room (Cl. 10)
Ø  Vacuum pressure: vacuum to 240bar
Ø  Diaphragm design with reinforcement at seat opening and closing position
Ø  Improving reliability by laser welding diaphragm technology
Ø  Turn on / off the visual indicator light
Ø  Unique high voltage lateral leakage test port
Ø  Electrolytic polishing of all inner surfaces
Test standard
Helium leak rate＜1×10-9 mbar.l/sec
Helium lateral leakage rate (maximum pressure)＜1×10-9 mbar.l/sec
Helium valve seat leakage rate (maximum pressure)＜1×10-9 mbar.l/sec

Specification size

ParameterSpecifications
NamePure metal diaphragm valve
Connection formExternal thread VCR joint, internal thread VCR joint, welding end connection, ferrule end connection
Rated pressure3500psi （240bar）
working temperature-20℃~80℃
caliberClamping sleeve: 3/8~1/2 in., 10~12mm; thread 3/8~1/2in.; VCR:3/8~1/2in.
body materialBrass and stainless steel (special tantalum niobium alloy need to be ordered)
Pass through0.32 in.（8mm）
discharge coefficientCV0.53


Product selection

1、Ferrule end connection
Basic order number
Order information		Import and export dimensionsSize
H
size，in.
GM41/462.5
GM63/862.5
size，mm
GM6M0662.5
GM8M0864.3
2、Welding termination
Basic order number
Order information		Import and export dimensionsSize
H
Socket weldingsize，in.
GM4T-SW1/442.5
GM6T-SW3/844.4
Casing butt weldingsize，in.
GM6M01/444.4
GM8M03/846.0
    
3、Internal thread VCR joint
Basic order number
Order information		Import and export dimensionsSize
H
size，in.
GM4VCR-F1/470.1
GM6VCR-F3/880.5
4、External thread VCR joint
Basic order number
Order information		Import and export dimensionsSize
H
size，in.
GM4VCR-M1/458.4
GM6VCR-M3/869.2



HANGONG Diaphragm valve.pdf 

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