Cast Steel Single Action Screwed NPT/BSPT Air Release Valve

• Characteristic: Air Release Valve
• Design & Manufacture: GB/T
• Pre-Temp. Rating: ASME B16.34
• Face to Face: ASME B16.10
• Ends Connection: NPT/RF/Wafer
• Inspect & Test: Ms Sp-81
• Model NO.: AVAX
• Certificate 1: Dnv CE 0575
• Certificate 2: ISO 9001: 2008
• Transport Package: Sea Worthy
• Specification: API, ANSI, ASME, DIN, JIS etc.
• Trademark: VATAC or OEM
• Origin: China
• HS Code: 84818010
• Production Capacity: 6000Ton per Year

Product Description

Cast Steel Single Action Screwed NPT/BSPT  Air Release Valve 
conform to ASME B16.34 ,  They are tested according to API 598, and marked as per MSS SP-25.

1. 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

 
 
2. 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

 

3. Normal Pressure Rating
PN10~PN16, 150LB  

4. Normal Size Range
DN50~DN500, 2"~20"