|  Company Info | |
| Company Name | China¡€Dongjin Valve Co.,Ltd. | 
| Country/Territory: | Zhejiang China | 
| Business Type: | | 1; | 
| Number of Employees: | |
| Main Products: ball valve gate valve check valve globe vlave y filter | |
1) Working Pressure150LB 600LB,
2) Applicable temperature:-29 550C
3) Oil, chemical industry, power station, and so on.
4) Medium: Water, Oil, Gas, etc
API Swing check valve Structure and distinguishing feature
API Swing check valve
| Type | Check valve | 
| Design Standard | APl6DJlS B2074-2084 | 
| Face to face | ANSIB16.10,JISB2002 | 
| Flange | ANSI B16.5 JISB2212-2214 | 
|                 Ends | ANSlB16.25 | 
|                 Checking | APl6 / APl598,JlSB2003 | 
4.API Check valve for testing standard     
| Class | Shell Test Map | Seat Test  Map | |
| High-Pressure Liquid Sealing | Low-Pressure Hermetic Sealing | ||
| 150Lb PN2.0MPa | 2.94 | 2.16 | 0.6 | 
| 300Lb PN4.0MPa | |||