size:nps 1½-12(dn40-dn300)

pressure rating:class 150-1500(pn16-pn250) 

base material: a182f304, a182f316, a182f51, a182f53,a182f55, a564630(17-4ph), monel, inconel

coatings:    enp, chrome plating, tungsten carbide, chrome carbide,stellite,  inconel , special.

support type: seat

roundness:  0.01-0.02

roughness:  ra0.2-ra0.4

coaxiality:   0.05-0.15

 packaging detail: wooden cases; pallet; containers