BERMAD > Products > Air Valves > VAC-312-SP-D

Combination Air Valve with Surge Protection

Super Duplex

VAC-312-SP-D

Air Valves Series

Waterworks

BERMAD VAC-312 is a 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 against air accumulation, vacuum formation and pressure surges.

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Straight flow body with nominal (equal) inlet and outlet size.
Surge Protection: the kinetic orifice is partially closed during the second stage of the air relief, preventing damage to the air valve and the system.
Compact and simple structure with fully corrosion resistant internal parts: Lower maintenance and increased life span.
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.