1. QT450-10 or WCB valve body,the chemical composition and mechanical properties meet the  the national standard, material report can be provided;

2.All parts are processed by precision CNC machine tools to ensure product accuracy;

3.Excellent performance of slow closing system, not affected by the medium in the pipeline. The valve disc closes quickly first and then slowly closes to prevent destructive water hammer;

4. Rubber seals or stainless steel hard seals, smooth opening and closing, no vibration, no noise, valve discs and other parts can also be selected according to working conditions;

5.Valve shaft is supported by self-lubricating sleeve bearings to reduce friction and torque;

6.250μm thickness Akzo epoxy coating;

7.Each valve will be inspected for shell and seal pressure before leaving factory.