CLA-VAL 33A : High Performance Combination Air Release & Vacuum Breacker Valve (Threaded & Flanged) Sizes 1"-2"-3"-4"-6"
Designed to protect pipelines from air lock and vacuum collapse, the CLA-VAL Model 33A 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.
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