... valves,forged brass gate valve,gate valve,Brass valves, Female thread to ISO288/1, BSP, NPT, etc, 100% Leakage Test Brass ... . 3. The wheel is made of HT200 gray cast iron...4. female thread to ISO288/1, BSP, NPT, etc. 5. Norminal Diameter ... , Leakage Testing, Final Inspection Before Delivery.3) 100% Leakage Test.4) Strictly and perfect management in production.5) Guaranteed Quality In ...