Steel flange Check Valve

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Our main products are pressure Power station Valve series, all kinds of Pneumatic, Power-driven Control Valves,
Large displacement steam traps, High temperature and pressure stop valves, gate valves, Check Valves, Ball valves and so on.

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Steel flange Check Valve

Standard

TYpe	Design and production	Length of structure	Flange size	Pressure-Temperature	Experiment-test
Swing Check Valve	GB12236	Gb12221	GB/T9113 ANSI B16.5	Gb9131	JB/T9092
Lift Check Valve	GB12235	Gb12221	GB/T9113 ANSI B16.5	Gb9131	JB/T9092

Pressure test

Nominal pressure	1.6	2.5	4.0	6.4	10.0	16.0
Strength test	2.4	3.8	6.0	9.6	15.0	24.0
Water Seal Test	1.6	2.5	4.0	6.4	10.0	16.0
Gas seal test	0.4-0.7

Materials and performance

Body	Guide sleeve	Pin	spacer	sealing surface	Operating temperature ℃	Medium
WCB	WCB	1Cr13	Reinforced Flexible Graphite 1Cr13/ Flexible Graphite Stainless Steel /acidproof Asbestos PTFE spacer	13Cr STL body material With Body Material PTFE Nylon Nylon	≤425	water Steam oil
WC6	WC6				≤540
WC9	WC9				≤570
ZGCr5Mo	ZGCr5Mo				≤550
ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti	1Cr18Ni9Ti			≤200	Nitric acid
ZG1Cr18Ni12Mo2Ti	ZG1Cr18Ni12Mo2Ti	1Cr18Ni12Mo2Ti			≤200	acetic acid

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Contact: Manager Li +86-13914652588
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