Pressure Rating
The following is the maximum recommended working pressures of Corflex Pinch Valves and test pressures.
Sleeve failure is in excess of three times the maximum recommended working pressure.
Corflex Pinch Valve Sleeve Maximum Recommended Working Pressures – Bar / (PSI)
| Size mm (in) | Bar/Psi | 50 (2") | 80 (3") | 100 (4") | 150 (6") | 200 (8") | 250 (10") | 300 (12") | 350 (14") | 400 (16") | 450 (18") | 500 (20") |
| Nippit | Bar | 10 | 10 | 10 | 10 | 10 | 10 | - | - | - | - | - |
| Nippit | Psi | 145 | 145 | 145 | 145 | 145 | 145 | - | - | - | - | - |
| Standard | Bar | 40 | 33 | 25 | 20 | 22 | 18 | 15 | 14 | 12 | 10 | 9 |
| Standard | Psi | 580 | 479 | 363 | 290 | 319 | 261 | 218 | 203 | 174 | 145 | 131 |
| Heavy duty | Bar | 78 | 66 | 43 | 29 | 37 | 30 | 26 | 23 | 20 | 18 | 16 |
| Heavy duty | Psi | 1131 | 957 | 624 | 421 | 537 | 435 | 377 | 334 | 290 | 261 | 232 |
| Extra heavy duty | Bar | 200 | 175 | 143 | 120 | 72 | 59 | 50 | 44 | 39 | 35 | 32 |
| Extra heavy duty | Psi | 2900 | 2538 | 2074 | 1740 | 1044 | 856 | 725 | 638 | 566 | 508 | 464 |