Centric Aluminium Butterfly Valve

Centric Aluminium Butterfly Valve

“aira” Offers the next-generation High Performance Butterfly Valve, a truly innovative product of its time. Engineered for multiple on–off applications to deliver reliable bubble-tight shut-off throughout its lifespan. The smart design ensures high quality and rugged performance with bidirectional sealing across the entire pressure range. Available in Wafer & Lugged designs with 150# and 300# pressure capabilities.

Specification & Standard
  • Size Range: 1.1/2" to 48" (40MM to 1200MM)
  • Temperature Range: Up to 220°C
  • Pressure Class: PN 20
  • Shutoff Rating: Tight Shut Off
  • Body Style: Wafer Type
  • Flange Drilling: 150#, 300#, AWWA, Series-A, Series-B, EN 1092-1, EN 1092-2
  • Body Materials: WCB, CF8, CF8M, CF3M, DUPLEX, ALLOY - 20
  • Stem Materials: SS 304 / 316 / 410 / 17-4 PH / 316L / NITRONIC - 50 / DUPLEX 4A / 5A / 6A / 7A
  • Seat Materials: PTFE, RPTFE, GFT, CFT, aira 250, TFM - 1600
  • Disc Materials: WCB, CF8, CF8M, CF3M, DUPLEX, ALLOY - 20
  • Design Standard: BSEN 593, ISI 3095, API 609, AWWA C - 504
  • Testing Standard: API 598 / BSEN - 12266-1 / AWWA C - 504
  • Face To Face: API - 609 / BSEN 558 / AWWA C - 504 / 516
Features & Benefits
  • Ends: Modular design allows easy spare management; all soft parts are interchangeable in Wafer, Lug, and Double Flange designs. Lugged with drilled lug or UNC tapped threaded lug.
  • Class: Pressure class 150# / 300# readily available in stock.
  • MOC: Standard materials such as stainless steel and carbon steel are in stock; higher alloys like Duplex, Aluminium Bronze, and Hastelloy available on request.
  • Sealing Option: Self-energised seat available with various seating options such as PTFE, RTFE, CFT, etc., based on application.
  • Interchangeability: Designed with ISO 5211 top mounting; easily switchable between Handle, Gear, and “aira” Pneumatic Actuators.
Direct Mounting As Per ISO 5211

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