ASME B16.34 API6D Piston Lift Check Valve For Pulsating Flow Service
TEKO Piston(lift) check valve provide an good solutions for services where low or pulsating flow are expected. The spring loaded piston disc design is inherently rugged, no hinge pin, bushing or bolted connections which are subject to impact loads when valves seats. Manufacture standard:API 6D and AISI B16.34.
Design Features
- High shutoff cycling, low wearing
- Quick closing and little water hammer
- For low or pulsating flow service
- Trim: as customer design
Application Standard:
- API 602,ASME B16.34,BS 5352
- Testing according to API 598
- Marking to MSS SP25
- Socket Welded Ends to ASME B16.11
- Screwed Ends to ASME B1.20.1
- Butt Welded Ends to ASME B16.25
- Flanged Ends to ASME B16.5
Specifications
| Size | 2" thru 12" |
| Class rating | 150,300,600,900,1500Lb |
| Operating Temperature | -46℃ to +176℃ |
| End Connection | Flange, Weld End |
| Item | Description | Material |
| 1 | Body | CF8M |
| 2 | Disc | F316 |
| 3 | Busing | F316 |
| 4 | Spring | SS316 |
| 5 | Gasket | SS316+graphite |
| 6 | Cover | CF8M |
| 7 | Cover Bolt | A193 B8 |
| 8 | Cover Nut | A194 8 |
