... certificate Specification(mm):S5( PN=1.25MPa): dn20*2.0, dn25*2.3, dn32*2.9(or as per your request)S4 ... (PN=1.6MPa): dn:16*2.0, dn20*2.3, dn25*2.8, dn32*3.6(or as per your request)S3 ... .2(PN=2.0MPa): dn16*2.2, dn20*2.8, dn25 ... *3.5, dn32*4.4(or as per your request)Color ...