... impregnating, dacromet processing according to different environments3 Pipe installation fast and convenient,allow a certain degree ... connect steel tube, brass pipe, stainless steel pipe, aluminum-plastic composite pipe, coated steel pipe, ductile iron pipe.6 Fire piping ... .1/2″-24″6.connecting fire fighting pipe systemsMain performanceDiameter DWorking pressure90degree elbowmmmmMPAL50572.562.5506062. ...