... 3 abudant material for U to chose Pressure guage IntroductionJC-Y series pressure gauge is widely used in petroleum, chemical industry ... general pressure gauge , stainless steel pressure gauge, shock-proof pressure gauge , diaphragm pressure gauge , electric contact pressure gauge , remote pressure gauge, ammonia pressure gauge, oxygen pressure gauge , etc. the diameter of gauge : Φ60,Φ100,Φ150,Φ200 ...