3011 type nitrogen-sealed valve provides gas coverage for storage tanks to reduce the vapor loss of media. Meanwhile, it is opened ahead of the breather valve, and supplies gas to the storage tank to ensure a constant pressure.

Technical parameters

Dimensions: 1/2" ~ 1" (15 ~ 25mm )
Set pressure： 0.5 ~ 8 W.C. （ 0.12 ~ 1.96KPaG ）
Materials: 316SS, etc.
Action mode: spring
Connection mode: flange and thread