Products > Grease Fittings & Lubrication > Fittings > Relief Vent Fittings
G.L. Huyett has acquired AZ Lifting Hardware
Relief Vent Fittings
Pressure relief vents open and close within a predetermined pressure range. As internal pressures rise, the plunger or check ball opens, allowing pressure to vent. As pressures decrease to below the minimum threshold, the valve closes.

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