H44H / W type swing check valve (Stainless Steel Swing Check Valve)
1, uses and characteristics
The product is manufactured in strict accordance with GB12236 standard design, pin connected with the valve flap with built-in structure, excellent performance, more reliable seal. The products are widely used in petroleum, chemical, pharmaceutical, power industry and other conditions of the pipeline.
Second, the main performance specifications
Test pressure
Nominal pressure( MPa )
1.6
2.5
4.0
6.4
10.0
Shell Test
2.4
3.8
6.0
9.6
15.0
Seal test
1.8
2.8
4.4
7.1
11.0
Body material
WCB(C)
CF8(P)
CF 8M (R)
WC6
WC9
Operating Temperature
≤ 425
≤ 100
≤ 100
≤ 550
≤ 550
For media
Water, steam, oil
Nitric acid
Nitric acid
Water, steam
Water, steam
Third, the implementation of standards
Design and Manufacture: GB12236
Structure length: GB12221
Flange: JB/T79-1994
Test and inspection: JB/T9092-1999
4, the main connection size
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