Rupture Disc Assemblies

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 bar at left.

rupture disc assemblies


rupture disc assemblies 2,000 to 10,000 psi (140 to 700 bar)

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nsp-3000 8,000 to 24,000 psi (550 to 1,680 bar)

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nsp-4000 30,000 to 42,000 psi (2,070 to 2,900 bar)

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bm 22093 4,000 to 12,000 psi (275 to 840 bar)

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bm 22095 13,000 to 24,000 psi (900 to 1,680 bar)

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