... . Handle: Forged Steel, Aluminum, Flat Steel with plastic cover, Butterfly “T” type 3. Thread: BSP, NPT, ANSI BI 20.1, as ... -corrosive liquid, non-corrosive air 7. Working Temperature: -20°C≤t≤120°C 8. Sealing: EPDM, PTFE, Teflon 100% leakage testISO9001 and ... brass gate valve Verified Information This information is Verified by TÜV Rheinland and validity period is 2012/11/15 --- 2013 ...