Vatac Needle Valves Conform to ASME B16.34.
They are tested according to API 598, and marked as per MSS SP-25
Construction is as follows:
- Regular Port
- Screwed Bonnet
- Integral Backseat
- Socket Weld Ends to ASME B16.11
- Butt Weld Ends to ASME B16.25
- Screwed Ends to ANSI/ASME B1.20.1
They are tested according to API 598, and marked as per MSS SP-25
Construction is as follows:
- Regular Port
- Screwed Bonnet
- Integral Backseat
- Socket Weld Ends to ASME B16.11
- Butt Weld Ends to ASME B16.25
- Screwed Ends to ANSI/ASME B1.20.1
Main Part & Materials | ||||||||
Part Names | Part Materials | |||||||
Body | A105 | LF2 | F22 | F304 | F316 | F304L | F316L | B62 |
Bonnet | A105 | LF2 | F22 | F304 | F316 | F304L | F316L | B62 |
Trim | 13%Cr/SS304/SS316 | SS304 | SS316 | SS304L | SS316L | B62 | ||
Packing | Graphite/PTFE | |||||||
Suitable Medium | W.O.G etc. | HNO3, CH3OOH etc. | Sea Water etc. | |||||
Suitable Temperature | -29~425 °C | -46~340 °C | -46~340 °C | -196~427 °C | -196~427 °C | -196~427 °C | -196~427 °C | -29~220 °C |