... 1/2"-12"b.Body Material Temperature Range(oC) PVDF -40-140 RPP -14-90 UPVC -14-70 ... ,metallurgy,pharmacy,dyeing,foodstuff,environmental protection and pure water etc..h.Part material sheetNo.Part NameMaterial1StudSteel,Stainless ... ,Stainless Steel5Handle WheelABS6Retaining NutFRPP,PVDF,PPH,CPVC,UPVC7Lining RingPTFE8Yoke NutHT 300,Steel9StemSteel10BonnetFRPP,PVDF,PPH,CPVC,UPVC11Flat BearingBall ...