Vatac Cast Iron/Ductile Iron/GG20/GG25/GGG40/GGG50 Air Release Valve Conform to ISO 4126. They are tested according to API 598, and marked as per MSS SP-25
Construction is as follows:
- Full Lift |
- For Water, Steam or Petroleum |
- Adjusting Set Pressure |
- Closed Bonnet or Open Bonnet |
- With or Without Lever |
- Screwed Ends to ASME B1.20.1 |
- Flanged Ends to ASME B16.5 |
Main Part & Materials
Part Names |
Part Materials |
Body |
WCB |
LCB |
WC6 |
CF8 |
CF8M |
CF3 |
CF3M |
Bonnet |
WCB |
LCB |
WC6 |
CF8 |
CF8M |
CF3 |
CF3M |
Trim |
13%Cr/SS304 |
SS304 |
SS316 |
SS304L |
SS316L |
Bolts/Nuts |
B7/2H |
L7/4 |
B16/4 |
B8/8 |
B8M/8M |
B8/8 |
B8M/8M |
Suitable Medium |
Steam |
Suitable Temperature |
-29~425 °C |
-46~340 °C |
-46~340 °C |
-196~427 °C |
-196~427 °C |
-196~427 °C |
-196~427 °C |
Normal Pressure Rating
PN10~PN420, CLASS150~2500
Normal Size Range
DN15~DN600, 1/2"~24"