... 3.0-10bar,1/4NPT etc. 4.Glycerine filled 63mm(2.5") liquid filled manometerin back connection ... .5"(40mm) , 2.0"(50mm), 2.5"(63mm), 3.0"(75mm) ,4.0"(100mm),Pressure Range : -1~0bar to 0~400barAccuracy : ±1 ... C-type > 60 bar: Helical type Connection: Back,Brass Or Stainless steel Movement: Brass Or Stainless steel ... With the help of China Jiliang University, by heaps of times of innovation and practice, ...