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The butterfly or wafer damper can be a stack damper where sealing or tight shut-off is not all-important. This type is used as an isolating damper for flue-gas scrubbers. The butterfly damper is lightweight, simple, quickly actuated and often comparatively low in cost. In process work, oval shapes adapt to that shape of duct. Occasionally, a double-disc butterfly appears resembling a circular two-bladed louver damper. The drive for a butterfly damper is also simple, needing only 90° of motion. The torque requirement can vary widely over damper life, if corrosion and thermal effects are severe. Hand levers, Gear boxes, Pneumatic Actuators or Electric actuators are used to actuate butterfly dampers.
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Vendor Details
Standard Hardware
RUTUBH PATEL
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Annual Turnover : Rs. 5 Crore
Area of Expertise : Industrial Hardware
Product Specifications
Testing Standard: |
BS EN 12266 - 1&2 |
Size Range: |
40 mm to 400 mm |
Design: |
Split Body - Wafer Type |
End Connection: |
Wafer Type to sandwich between two flanges |
Lining Thickness: |
3 to 5 mm |
Application: |
Highly corrosive environment |
Design Standard: |
BS EN 593:2004 |
