Product characteristics
1. The flange on both sides makes all the calibration holes according to the connecting standard, which is easy to install.
2. The valve shaft and gate can be connected by taper pin, torque screw or pinless to realize opening and closing.
3. The composite valve seat is composed of PTFE, synthetic rubber and phenolic resin, which has good elasticity, high strength and good sealing performance.
4. The butterfly plate is fully covered with PTFE, which has the characteristics of low friction coefficient, not easy to wear, not easy to aging, and long service life.
Major Component Materials
Part name | Material name |
valve body | Cast iron, ductile iron, cast steel, stainless steel |
Valve plate | Ductile Iron, Copper Alloy, Stainless Steel |
valve stem | Steel 2Cr13 and 45 |
valve seat | Wear Resistant Rubber, NBR |
alve seal | NBR O-cushion, etc. |
National Standard Main Dimensions Table (PN16)