Jacketed breathing valve is designed to prevent crystallization of medium under working temperature. Steam tracing is adopted to prevent valve blockage. Jacketed joints can be flanged or threaded.

Specification 2 "~ 12" (DN50 ~ DN300)

Positive pressure setting 0.2 ~ 103.4kpa

Negative pressure setting -0.2 ~ - 82kpa

Design and inspection standard api2000

Flange standards: ANSI B16.5, en1092, JIS, Hg / t20592 ~ 20615, GB / t9113, etc