Product Description

"AIRA" brings forth large diameter double flange butterfly valve (resilient-seated) as per the AWWA C-504 & AWWA C-516 standard. Long service life since the medium does not touch the bearing and the seat is wear-resistant, corrosion-proof, and infiltration-proof with a welded overlay. It is ideal for water distribution, treatment of wastewater, power plants, pressure management and dams. 

Special Features

• Dual Eccentric Design Construction
• Shut-off capability in uni-direction and bi-direction
• Single-piece shaft for better accuracy and less disc deflection under elevated pressure 
• A two-piece shaft to maximize flow and minimize head loss
• Packing adjustment is accessible without operator removal
• Replacement of the seat is quick and easy 
• Tangential low stress disc pins
• Designed with double offsets to reduce seat wear and prolong seal life
• A positive seal that is achieved mechanically, without relying on line pressure assistance
• Reduces weight, installation, and maintenance costs through compact design
• Monodirectional for end-of-line use 
• With double offset operation, long life durability is ensured and seat wear is minimized
• A compact design full port for mass flow
• The structure is simple, light, smooth, and takes very little torque
• Maintenance-friendly, replaceable seals design
• Gland pressing plate-Ensures complete use of gland seals
• Quadruple shaft bearings for high pressure, high cycle applications
• Discs & body have Ebonite lining for sea water applications

Specification