Ductile Iron Butterfly Valve Gearbox Flange End

Flange End  Butterfly Valve

1. PROFUCT PROFILE

Wafer type butterfly valve is one type of central lined butterfly valve, which is one normal type of butterfly valve in need of big quantity.Butterfly valve flange type has its flanges with holes. The pipe end to be connected to the valve is also designed with a flange and holes of the same size as those on the flanged valve. The valve is secured on the piping system using bolts and nuts.Prosper Flow can produce the wafer butterfly valve rubber lined in accordance with EN593, API609 and AMSE B16.34.

2. FEATURES

· Compact structure and Light weight, easy installation.
· Heavy Duty square grooved seat design with moulded O ring seals to act as flange gasket
· Self energizing seating design
· Through flow disc design for large size Butterfly Valves
· Different Lining and Metallurgy to suit a wide variety of applications including sea water & water desalination plants

· Disc has a precision profile that provides bubble tight shut off and assures minimum torque

· The sealing material has the characteristics of aging resistance, weak corrosion resistance and long service life.

3. TECHNICAL SPECIFICATION

· PN10 / PN16 / 125LB / 150LB / JIS10K / 150PSI / 200PSI

· Size: 1-1/2″~40″ (40~1000mm)

· Materials: A126 B (GG25), A536 65-45-12 (GGG40/50)

· Epoxy coating with thickness ≥ 250μm

· Working temperature: 0℃~+80℃

4. STANDARD

· Design and Manufacture Conform to EN 593, API609, JIS

· Flange dimensions Conform to EN 1092-2 PN10, PN16, JIS5K, JIS10K,ANSI B16.1,DIN2501,BS4504

· Face to Face dimensions Conform to EN558 series

· Top Flange dimensions Conform to ISO5211

· Testing Conform to API598,EN12266-1

5. APPLICATION

1. Water works, water projects
2. Environment protection
3. Public facilities
4. Power plant
5. Real estate
6. Petroleum, chemical industry
7. Steel work, metallurgy
8. Paper plant
9. Food & beverage
10. Water treatment plan