Please note that each user: now the market for sale F990-CEE4 butterfly (green); mostly domestic counterfeit products, please note the difference. Connection: Wafer, lug size: DN50 ~ 500 Temperature: -40 ~ 150 Pressure: 10KG connection : ANSI, DIN valve plate: Stainless steel; liner EPDM, NBR, TFE seat: EPDM, NBR, TFE, FKM polyurethane applicable regulation, drink, wear, corrosion, vacuum, etc. Connection: Wafer, lug Size: DN50 ~ 500 Temperature: -40 ~ 150 Pressure: 10KG connection: ANSI, DIN valve plate: Stainless steel; liner EPDM, NBR, TFE seat: EPDM, NBR, TFE, polyurethane applicable regulation, beverages, wear, corrosion, vacuum, etc. Connection: Wafer, lug size: DN50 ~ 500 Temperature: -40 ~ 150 Pressure: 10KG connection: ANSI, DIN valve plate: Stainless steel; liner EPDM, NBR, TFE seat: EPDM , NBR, TFE, FKM polyurethane applicable regulation, drink, wear, corrosion, vacuum, etc. Connection: Wafer, lug size: DN50 ~ 500 Temperature: -40 ~ 150 Pressure: 10KG connection: ANSI, DIN valve plate : Stainless Steel; liner EPDM, NBR, TFE seat: EPDM, NBR, TFE, polyurethane