Every NLB high-pressure pump unit is equipped with a rupture disc to relieve system pressure in the event of a spike above the unit’s maximum operating pressure. The replaceable discs, held in a rupture disc assembly, are available with pressure ratings from 2,000 psi to 40,000 psi (140 to 2,800 bar).
Rupture disc assemblies should always be used with a primary pressure relief valve or by-pass valve. These can be found under the Pump & System Components tab in the navigation.
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| Rupture Disc | Operating Pressure |
|---|---|
| PM26756 | 4,000 psi (275 bar) |
| PM22088 | 6,000 psi (415 bar) |
| PM22089 | 8,000 psi (550 bar) |
| PM22090 | 10,000 psi (700 bar) |
| PM29714 | 12,000 psi (830 bar) |
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