Special Material gate valve
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duplex stainless steel
Titanium-base series: Ti (Gr.2, Gr.3, Gr.5, Gr.7 . )
Nickel -base series: Monel 400/Monel 500
Zirconium -base series: Zr 702/703/705
Duplex stainless steel: ASTM F51/F55
Other corrosion resistance/high temperature resistance alloy: Alloy 20, AISI 321, AISI 310, 904L
Other material is not listed, please call us!
Test and inspection
When raw material arrive, we must recheck chemical composition and mechanical property.
We do NDE test randomly for critical parts of valves before machining and during machining.
Each valve must be done by shell and seal hydrostatic pressure test and air pressure test when they are sent out.
And RT, UT, MT, PT, cryogenic and firesafe test are available upon customers request.
Nominal diameter: 1/210
Pressure range: 150LB-4500LB
Temperature range: -196 degree C-850 degree C
Structural style: BB, Screwed, Welded, OS&Y, Female screw stem.
Connection mode: Flanged, BW, NPT, SW
Design standard: API 602, BS 5352
Test standard: API 598
Operation:Handwheel, Worm gear, Electric actuator, Pneumatic actuator