Wormgear butterfly valve
1. Size: DN50-DN350; Pressure: PN10/PN16
2. Body:CI/DI; Disc: DI/SS; Seat: NBR/EPDM
3. Gear operated
Wormgear Wafer Butterfly Valve
Size: 2”-14” / 50mm –-350 mm
Design standard: API 609, BS EN 593, GB T12238
Face-to-Face dimension: API 609, ISO 5752, BS EN 558.
Flange Drilling: ANSI B 16.1, BS EN 1092-2, JIS 5K, 10K, 16K.
Test: API 598.
Pressure & Temperature ratings:
PN10 / PN16
Shell: 1.5 times rated pressure,
Seat: 1.1 times rated pressure.
-10°C to 80°C (NBR)
-10°C to 120°C (EPDM)
Water, Oil and gas.
Body: cast iron, ductile iron, WCB, SS.
Disc: nickel ductile iron, Al. bronze, SS, carbon steel.
Seat: EPDM, NBR, VITON, PTFE.
The product is used for throttling or shutting off the flow of
corrosive or non corrosive gases, liquids and semiliquid. It can be
installed in any selected position in pipelines in the industries
of petroleum processing, chemicals, food, medicine, textile, paper
making, hydroelectricity engineering, building, water supply and
sewage, metallurgy, energy engineering as well as light industry.