Marine Fire Suppression System >> Parts >> Fire Valves >> Fire Protection ValvesCVA Groove / Groove Swing Check Valves
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| 1. Body 2. Clapper 3. Seat Ring 4. Bushing (Not Illustrated) 5. Clapper Pin 6. Retaining Screw 7. Nut 8. Lockwasher 9. Retainer 10. 0-Ring 11. Clapper Seal |
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| Dimensio | |||
| Valve Size | 2-1/2" | 3" | 4" |
| A | 5-9/16" | 5-7/8" | 6-9/16" |
| B | 7-1/32" | 7-1/2" | 8-3/16" |
| PRICTION LOSS in P.S.I. | |||
| G.P.M. | 2-1/2" | 3" | 4" |
| 100 | 0.59 | - | - |
| 200 | 2.79 | - | - |
| 250 | 3.78 | 1.03 | - |
| 300 | 5.38 | 1.38 | - |
| 400 | - | 3.71 | - |
| 450 | - | 3.39 | - |
| 600 | - | 1.23 | |
