Specification of Products£ºNPS1¡±~48¡±(DN25-1200) Pressure Rating£ºClass 150~2500(PN20~420) Substrate Materials£ºASTM 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 Hard sealing Materials£ºTungsten Carbide¡¢Chrome Carbide¡¢Stellite¡¢Nickel base |