33A High-Performance Air Release & Vacuum Breaker Valve

Designed to protect pipelines and vertical turbine pump applications from air lock and vacuum collapse, the Cla-Val Model 33A High-Performance Combination Air Release & Vacuum Breaker Valve eliminates air and prevents vacuum formations in waterworks piping systems. A large venting orifice and large float clearances freely exhaust or admit air during pipeline filling or draining.

• Standard Maximum Operating Pressure 300 psi

• Standard Epoxy Coated Ductile Iron Body

• Automatically Eliminates Entrapped Air Pockets and Provides Vacuum Protection

• Easily Serviced

• Tested to Seal at 2 psi

• Meets AWWA C512

Requirements Designed to protect pipelines and vertical turbine pump applications from air lock and vacuum collapse, the Cla-Val Model 33A High Performance Combination Air Release and Vacuum Breaker Valve eliminates air and prevents vacuum formations in pipelines. A large venting orifice and large float clearances freely exhaust or admits air during pipeline filling or draining. NSF/ANSI 61 & 372 During normal pipeline operation, air accumulation and buoyancy cause the float ball to lower or lift. As the water level lowers inside the valve, small amounts of accumulated air are released through the small orifice. Once air is released, the float poppet system closes drip tight. Valve servicing is simple because the entire float poppet system can be replaced without removal of the valve body from the pipeline.