SIERRA model 7200 is concentric rubber lined valve, double flanged or wafer type that shall be suitable for installation between flanges. Face to face according to EN 558 table 5 basic series 20 valves are drilled in accordance with EN 1092-2. The disc has a profiled sealing edge which requires minimal deformation of the liner to achieve a tight sealing. This gives less wear of the liner and low operating torques. The 7200-butterfly valve is an excellent valve for isolation purposes and it might also be used for throttling purposes under certain conditions.
Concentric Butterfly Valves
SIERRA model 7200 is concentric rubber lined valve, double flanged or wafer type that shall be suitable for installation between flanges. Face to face according to EN 558 table 5 basic series 20 valves are drilled in accordance with EN 1092-2. The disc has a profiled sealing edge which requires minimal deformation of the liner to achieve a tight sealing. This gives less wear of the liner and low operating torques. The 7200-butterfly valve is an excellent valve for isolation purposes and it might also be used for throttling purposes under certain conditions.
Overview
Wafer/U-Section Butterfly Valves Product Overview |
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Product Range | DN50 – DN800 |
Pressure Rating | PN10, PN16 |
Temperature Range | -20°C TO +70°C |
Flange Dimensions | EN1092-2 (DIN2501) |
Hydrostatic Testing | EN12266, ISO5208 |
Type Testing | EN1074-1,2 |
Actuation | Manual with GB, pneumatic or electrically actuated |
Certificates | Manufactured under a certified ISO 9001 quality system |
Applications | Municipal water and irrigation pipeline mains and distribution networks, pumping stations and intakes, ground reservoirs and elevated tanks, water treatment plants, primary and secondary cooling for power stations |
Features
Main Product Features
- Symmetric and slim design of disc ensures favorable flow, low pressure loss and energy cost saving
- Smooth machining of disc edge also provides less deformation on the rubber sealing thus longer life of the valve
- Absolutely tight sealing with flow in either direction
- The valve body and disc are accurately machined which results in low operating torque and long service life and reliability
- Shaft bearings design prevents shaft deflection and guarantee optimum guidance even after many years of operating service
- Can be supplied in flanged or wafer design
- The valve can be installed in any desired position
- Disc shall be made of ductile cast iron, stainless steel, Duplex, Aluminum bronze
Specifications
U-Section Butterfly Valves AR
U-Section Butterfly Valves EN
TDS
Dimensions
DN | Concentric Butterfly Valves Dimensions (Wafer Type) | |||||||||
BFV valves manually with Gearbox | BFV valves manually with Pneumatic Actuator | |||||||||
PN10-16 | PN10 | PN16 | PN10-16 | PN10 | PN16 | |||||
CAD | 3DPDF | STEP | STEP | CAD | 3D PDF | STEP | STEP | |||
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