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WRAS DI GGG40 50 Resilient Seated Gate Valve With By-PAss For Potable Water
Specifications:
| NO | Part name | Material |
| 1 | Body | Ductile cast iron |
| 2 | Wedge | Ductile cast iron + EPDM |
| 3 | Stem nut | ZCuAl10Fe3 Gunmetal |
| 4 | Gasket | EPDM |
| 5 | Bonnet | Ductile cast iron |
| 6 | Gland gasket | ZCuAl10Fe3 Gunmetal |
| 7 | Stem | 2Cr13 S.S.x 20Cr13 |
| 8 | Gland | Ductile cast iron |
| 9 | Rubber wiper | EPDM/NBR |
| 10 | Hand wheel | Ductile cast iron |
Design features:
With by pass for reduce torque when open the valve.
Spindle’s gaskets O-ring - “DRY THREAD” - replaceable under pressure.
Stainless steel spindle with rolled thread and bearing.
Total sufrace rubbered wedge with replaceable spindle nut.
Gate valve with full bore.
All parts are protected against corrosion.
Resilient seat gate valves are employed in the transport of clean water.
The valve gate or closure member is typically in the form of a wedge made of cast iron material
so as to be sufficiently rugged so as to be suitable for high pressure and high flow applications.
In a resilient seat gate valve, the outer surface of the valve wedge is coated with an elastomeric
material so as to offer a bubble-tight seal even at elevated operating pressures.
The valve wedge is operated by turning a threaded stem so as to advance or retract the valve
wedge within the waterway of the valve housing.
Upon valve closure, the resilient material on the edge forms a bubble-tight seal with the internal
surface of the valve body. Dirt or other contamination in the valve operating system can lead to
