20 Gallon Capacity

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Liquid shut‑off assemblies help protect pneumatic vacuums by preventing overfilling during liquid pickup. Designed to stop flow when the drum reaches capacity, they support safer operation and help reduce the risk of damage or unintended overflow in demanding shop environments.

3 of 5 products

Liquid Shut-Off Assemblies

Part Number Description Fits
N638 20/30/55 Gallon Liquid Shut-Off Assembly 55, 30, 20 Gallon Vacuums
PQ638 PowerQUAD™ 20/30/55 Gallon Liquid Shut-Off Assembly 55, 30, 20 Gallon Vacuums
PQ638K PowerQUAD™ 20/30/55 Gallon Liquid Shut-Off Assembly Kit 55, 30, 20 Gallon Vacuums
PQ901 PowerQUAD™ 5/10 Gallon Liquid Shut-Off Assembly 10, 5 Gallon Vacuums