... or not Products details : quick coupling type aManufacturer size 1/2"-6" body stainless steel 304 316 gasket buna(NBR),viton and ... (17.6bar) 3"-4" 200PSI(14.8bar) 2 1/2" 225PSI(15.8bar) 6" 150PSI(10.5bar)application oil,petroleum,chemical,water ... ,gas thread ANSI B1.20.1(NPT), BS21,DIN259,DIN2999 ...