... used in connecting with the measured medium and the pressure gauge,realize opening or closing. SpecificationJoint type: thread connectionDifferent ... sizes could be custom-madePressure gauge connection:M12*1.25, M14*1.5, M30*1 ... as below:Yueqing Weihe Electric Co., Ltd.ADD: Lvao Industrial Zone, North Liu Shi Town,Yueqing City, Zhejiang Province, ...