... , pharmacy,etc. YTH high temp. pressure gauge is mainly used for measuring the medium with high temp. in the fields of metallurgy ... , 2.5, 4, 6, 10, 16,25,40,60 Connecting 1/2, NPT , maleZT-back with front flange Z-back directT-bottom ... No-bottom directSafe Medium Temp. 350~500°C(with cooling tower )Ambient Temp.(°C) -40~+70Features : High operating temp., high vibration-proof ...