The relief balance serves as a safety and pressure-regulating feature. Its main function is to prevent over-pressurization within the pump and downstream components.
Roughneck Heavy-Duty 5:1 Oil Pump with Release Valve, 11 GPM, 46in. Suction Tube

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- Includes 46in. suction tube for deep drum reach
- Heavy-duty suction tube is zinc-plated for durability and corrosion resistance
- 5:1 pressure ratio for efficient pumping power
- Operates with 70–180 PSI air inlet pressure
- 870 PSI max. fluid pressure for high-demand applications
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