Zhejiang JieYu Valve Co., Ltd.
浙江捷宇阀门有限公司 Zhejiang JieYu Valve Co., Ltd.
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Non Return Stainless Steel Check Valve , Quiet Hydraulic Check Valve
Stainless Steel Check Valve Standards
Face to face dimensions as ANSI B16.10
End flange dimension as ANSI B16.5
Pressure-temperature ratings as ANSI B16.34
Pressure test as API 598
Applicable Medium: water ,gas,oil,and other causticity medium.
Stainless Steel Check Valve Application:
Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.
When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
| Specification | ||||||
| 1 | Face to face according to DIN3202-K3. | |||||
| 2 | Flange drilling according to ANSI125/150;DIN2501PN10/PN16;AS2129 Table E;JIS10K ect. | |||||
| 3 | Working Pressure: PN10;PN16 | |||||
| Main Parts and Materials | ||||||
| Number | Part Name | Material | ||||
| 1 | Body | GGG50 | ||||
| 2 | Disc | SS304 | ||||
| 3 | Stem | SS304 | ||||
| 4 | Spring | SS304 | ||||
| 5 | Washer | PTFE | ||||
| 6 | Washer | PTFE | ||||
| 7 | Gasket | NBR | ||||
| 8 | Hex nut | A193A | ||||
Stainless Steel Check Valve Test Pressure
| Test Item | Shell Test | Seal Test | Back Seal Test | Air Seal Test | |||||
| Medium | Water | Air | |||||||
| Unit | MPa | lbf/in2 | MPa | lbf/in2 | MPa | lbf/in2 | MPa | lbf/in2 | |
| Pressure (Class) | 150 | 3.1 | 450 | 2.2 | 315 | 2.2 | 315 | 0.5-0.7 | 60-100 |
| 300 | 7.8 | 1125 | 5.6 | 815 | 5.6 | 815 | |||
| 400 | 10.3 | 1500 | 7.6 | 1100 | 7.6 | 1100 | |||
| 600 | 15.3 | 2225 | 11.2 | 1630 | 11.2 | 1630 | |||
| 900 | 23.1 | 3350 | 16.8 | 2440 | 16.8 | 2440 | |||
| 1500 | 38.4 | 5575 | 28.1 | 4080 | 28.1 |
4080 |
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