Brass gate vavle No leakage ISO9001 and ISO14001 Approveed J1005 Screw End Brass Gate Valve 1.Material: C3771, C37700N, CW614N, CW617N ... , as per request2. Handle: Forged Steel, Aluminum, Flat Steel with plastic cover, Butterfly “T” type3. Thread: BSP, NPT ... and some standards such as GB, IEC, NBMA, JIS, DIN, etc.We have passed three management system certificates, ISO9001, ISO14001 ...