... .Standard:,ANSI,JIS,DIN,HG 3,Usage temperature:-20~+200 'C... 4.Media:oil,gas,water 1.size:DN15,DN25,DN32,DN40 ... ,DN502.Standard:,ANSI,JIS,DIN,HG3,Usage temperature:-20~+200 'C...4.Media:oil,gas,water1.Body : upvc or cpvc2.Disc : upvc ... or cpvc3.stem :45#4.valve seat: EPDM5.O--ring: EPDM6.Handle : ABS7.Nut: CPVC ...