Key Specifications/Special Features:
- Size: 2 to 48 inches
- Wafer, lug and double flanged type
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Materials:
- Body: cast iron, carbon steel, 304S and aluminum bronze
- Disc: Ni-plated ductile iron, nylon coated ductile iron, aluminum bronze and monel
- Shaft: 416S, Sand316S. S, 17-4PH
- Seat: EPDM, high temperature EPDM, food grade EPDM, NBR, abrasive-resistant NBR, Viton, high temperature Viton, Hypalon, silicone rubber PTFE over EPDM, PTFE over NBR, neoprene
- Bushing: glass backed PTFE
- Working pressure: 25 or 40 bar
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Specifications:
- Reliable in sealing, more it closes, tighter sealing
- Suitable for medium pressure pipes with nominal pressure between 16 and 40MPa
- At time of opening, disc can separate itself from seat promptly, thus friction torque low
- Adjustment can be done for compensation if valve seat worn, thus prolonging service life
- Sealing face of valve seat made of PTFE, which suitable for temperature between -30 and 230°C
