Air-operated, normally-closed shutoff valves for pure liquids, chemicals, acids, and caustics, with PVC or natural polypropylene bodies and double U-cup seals for bubble-tight shutoff. Operates on 25 PSI air to open and closes fail-safe via spring when air is shut off. Available in 1/2" and 3/4" sizes with NPT or socket connections, featuring 1/4-20 mounting holes and a maximum working pressure of 150 PSI at 77°F. No pressure differential required; suitable for vacuum service when specified at order. Spring is isolated from the fluid. Flow coefficient Cv is 2.5 for 1/2" and 5.0 for 3/4".
Series BSR/BSRM Compact globe-style shut off valves in PVC or Polypro with elastomer seals. Wide range of sizes and connection types. Normally closed operation; ideal alternative to fail safe air-operated ball valves.
| Plast-O-Matic Valves, Inc. | |
|---|---|
| Product Category | Industrial Valves |
| Product Number | BSR |
| Product Name | Balanced Automatic Shutoff Valve |
| Valve Type | Shut Off |
| Primary Material | PVC (optional feature); PP (optional feature) |
| Media | Pure Liquids, Acids, Caustics; Chemical |
| Valve Size | 0.50 to 0.75 inch (12.70 to 19.05 mm) |
| Maximum Pressure | 20.00 to 150.00 psi (14.08 to 106 m H2O) |