Stainess steel ISO9001:2000 Type: A,B,C,D,E,F,DC,DP Thread type:NPT.BSPT,BSP,DIN259/2999 Temperature:-20 ~+120 ... Viscous or corrosive mediumBody material/ball:Stainless steel 316/304Thread type:NPT.BSPT,BSP,DIN259/2999Temperature range:-20 ~+120 °CWorking ... control systems 4) Professional and considerate services Certifications: ISO9001:2000, ISO/TS1649:2002, GB/T19001 and GJB9001A-2001 Quality ...