Specification of Products：NPS2”~40”(DN50-1000)
Pressure Rating：Class 150~2500(PN16~420)
Base Material：ASTM A105 ,A305 LF2,A182 F6A,A182 F304,A182F6NM ,
 A182 F316,A182 F321, A182 F51,A182 F55,A564 630(17-4PH),B564 No6625,
B564 NO8825, B564 NO4400, INCONEL 825,INCONEL625,
MONEL,Hadtelloy Alloy
Stem：Gr630 A630 17-4PH
Coatings：Tungsten Carbide、Stellite、Inconel、Ni60
Support Type：stem 
Drive：Rectangle Socket