... samples Specification: Material: SS304,316,CF8,CF8M stainless steel. Size: 1/2",3/4",1",1-1/4",1-1/2",2",2-1/2",3",4",6" Types: A,B,C,D,E,F,DC,DP ... B1.20.1(NPT), BS21,DIN259,DIN2999,ISO228Gasket:buna(NBR),Viton and TelfonTest pressure: 3/4"-2" 250PSI(17.6bar) 3"-4" 200PSI(14.8bar) 2 1/2" 225PSI(15 ...