... not Products details : quick coupling type aManufacturer size 1/2"-6" body stainless steel 304 316 gasket buna(NBR),viton and ... "-4" 200PSI(14.8bar) 2 1/2" 225PSI(15.8bar) 6" 150PSI(10.5bar)application oil,petroleum,chemical,water,gas thread ... ,DIN259,DIN2999,ISO228 Other products: quick coupling Type A1/2:-6"