Designed to protect pipelines from air lock and vacuum collapse, the Cla-Val Model 33BP 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.
- Automatically Protects Pipelines
- Easily Serviced Without Removal from Pipeline
- Pressure Sensitive Closing Orifice
- Corrosion Resistant Internal Parts
- Engineered For Lasting Service
- PN25 Rated
