8145 series side mounted vacuum relief valve can avoid damage to the storage tank due to overpressure or negative pressure, and can greatly reduce the evaporation loss caused by "breathing" of the storage tank.

Specification 2 "~ 14" (DN50 ~ DN350)

Positive pressure setting 0.2 ~ 103.4kpa

Design and inspection standard api2000

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