Approvals
‘”aira” Offers Pneumatic Actuator Operated 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 t hat 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.
Specification & Standard
Design & Manufacturer
API 609 CATEGORY A / IS : 13095 / BSEN 593
Valve Face To Face Dimension
ASME B 16.10, Other F To F Available On Request
Inspection & Testing
API 598 / BSEN 12266-1
Seat Leakage Class
5% Leakage of Full Flow (Class 1 Available On Request)
End Connection
Wafer Type
Top Flange Drilling
ASME B16.5 / 16.47 Series A Class 150
Certifiaction
Design CE Approved, SIL3 Approved, POD
Size Range
1.1 / 2" To 20" ( 40 MM To 500 MM )
Tempreature Range
-50' C To 300' For Soft Seated Valves. Contact Works For Special Requirment
Pressure Class
150#
Leakage Class
5% Leakage Of Full Flow
Body Material
CAST IRON, S.G IRON, M.S
Disc Material
SS 304, SS 316, M.S.
Seat Material
SS 304, SS 316, M To M
Features & Benefits
The aira Damper Butterfly Valve is designed for precise airflow control and efficient operation in various industrial applications.
1 – Damper Functionality: Allows for effective regulation of airflow, enhancing control over ventilation and exhaust systems.
2 – Robust Construction: Made from high-quality materials to ensure durability and reliability under challenging conditions.
3 – Smooth Operation: Designed for easy adjustment and minimal resistance, promoting efficient airflow management.
4 – Compact Design: Space-saving design makes it suitable for installations in tight or constrained spaces.
5 – Versatile Applications: Ideal for use in HVAC systems, industrial processes, and other applications requiring precise airflow control.
Direct Mounting As Per ISO 5211
Wafer Type
Damper Valve
Dimension Table
Wafer Type
Damper Valve
Dimension Table
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