- Contact Person : Mr. Hao Dehong
- Company Name : Dalian Gongdao Trading Co., Ltd.
- Tel : 86-411-82766443
- Fax : 86-411-82766457
- Address : Liaoning,Dalian,No.2 1st Floor, Unit 1, No. 97 Binhai Garden, Zhongshan District
- Country/Region : China
- Zip : 116001
Dual Plate Check Valve Wafer & By-Pass Type
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FEATURES
v Wafer type, light weight and suitable for the limited space of piping. Spring is installed inside the valve.
v Shock and noise are reduced by any possible water-hammer.
v Rubber seat ensures the perfect seal.
v Horizontal and vertical installation is applicable.
v Widely used for the basic piping, water, sewerage and various piping.
v By-pass type valve can be substitute for Smolensky check valve.
SPECIFICATION
DIAMETER | 40A(1 1/2 '')- 1800A(72'') |
APPLICABLE PRESSURE | 10K-20K 150LB-300LB |
CONNECTING ENDS | WAFER TYPE |
TEST METHOD | According to KS B2304,API598 |
NUMBER OF SPRING | 1 1/2'' -5''(1EA),6''-22''(2EA) 24'' and over:(4EA) |
DESCRIPTION OF PARTS
NO | NAME | MATERIAL | Q'TY | ||
10K | 20K | 10K/20K | |||
1 | BODY | FC200 | SCPH2 | SCS13,14 | 1 |
2 | PLATE | SCS13 | 2 | ||
3 | SPRING | STS316WPA | 1-4 | ||
4 | HINGE PIN | STS 304 | 1 | ||
5 | STOP PIN | STS304 | 1 | ||
6 | PLUG | SM 25C | STS304 | 4 | |
7 | BEARING | PTFE | 6-9 | ||
8 | PIN STABILIZER | RUBBER | PTFE TAPE | 4 | |
9 | EYE BOLT | SS 400 | 1 | ||
10 | SEAT | NBR,EPDM | |||
CHECK VALVE INSTALLATION IN PIPING
u Design piping layout to avoid discs from contacting pipe ends, gasket and machinery while its operation.
u Check operating status after installation. It can't be directly connected to wafer type butterfly valve.
u When it is installed in horizontal pipe, it is installed horizontally with bypass valve to equalize flow pressure in each disc.
Dual Plate Check Valve Wafer & By-Pass Type
