1660 pilot operated breather valve is a high-end product combining pilot valve and main valve, and is characterized by its precision starting pressure, and no chatter, tremble and leakage when the pressure approaches the set pressure value.

Technical parameters

Dimensions: 2" - 12" ( 50mm - 300mm )
Set pressure: 2.0W.C. ~ 15 PSIG （ 0.49 ~ 103KPaG ）
usage temperature： -323 ~ 300 ° F （ -197~ 148 ° C ）
Materials: 316SS, aluminum, carbon steel, etc.
Action mode: pilot operated
Connection mode: flange