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Combination Air Valve

Cast Steel (WCB)

C75-S
Air Valves Series
Waterworks

BERMAD C75 is a high quality combination air valve for a variety of water networks and operating conditions. It evacuates air during pipeline filling, allows efficient release of air pockets from pressurized pipes, and enables large volume air intake in the event of network draining.
With its advanced aerodynamic design, double orifice and Surge Protection (Anti-slam / slow closing) device, this valve provides excellent protection again air accumulation, vacuum formation and pressure surges, with improved sealing in low pressure conditions. The valve minimizes water spraying during air release.

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C75-S

  • Straight flow body: Higher than usual flow rates.
  • Dynamic Sealing: Prevents leakage under low pressure conditions (1.5 psi; 0.1 bar).
  • Minimizes water spraying during air release: Innovative 2-step function, automatic orifice (Patented).
  • Compact, simple and robust structure with fully corrosion resistant internal parts: Lower maintenance and increased life span.
  • Certified to functional standards: AENOR (Spain).
  • Certified to drinking water standards: NSF/ANSI/CAN 61 and NSF/ANSI 372 (USA).
  • Factory approval and Quality Control: Performance and specification tested and measured with specialized test bench, including vacuum pressure conditions.

Typical Applications

  • Pumping stations and deep well pumps: Air relief, surge protection and vacuum prevention.
  • Pipelines: Protection against air accumulation and vacuum formation at elevations, slope change points and road / river crossings.
  • Water networks: Protection against vacuum formation, surge and water hammers at points likely to experience water column separation.

How C75-S
is used in

Optimizing pumps operation, surge & cavitation protection, air control and metering for efficient, safe and reliable water supply.
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