RELIEF VALVE ASSEMBLY - OTC Tools and Equipment

The OTC 21278 Relief Valve Assembly is a vital safety component engineered to provide precise pressure control within professional automotive and industrial hydraulic systems. Designed as a genuine OTC replacement part, this non-adjustable, factory-preset valve reliably limits maximum pressure, safeguarding critical components from overload and ensuring the longevity and safe operation of your valuable equipment.

Key Features

• Essential System Protection: Automatically limits hydraulic pressure to prevent damage to pumps, hoses, seals, and actuators from overpressure conditions.
• Factory Pre-set & Non-Adjustable: Ensures consistent and reliable pressure regulation without the need for field adjustments.
• Genuine OTC Quality: Guarantees perfect fit, compatibility, and professional-grade performance with existing OTC Tools and Equipment.
• Durable Construction: Built with high-quality materials to withstand the demanding environments of professional automotive and industrial workshops.
• Optimized Flow Rate: Engineered for a maximum flow rate of 5 GPM, effectively diverting excess fluid back to the reservoir.
• Enhanced Operational Safety: Acts as a critical safety device, mitigating risks associated with uncontrolled pressure buildup and potential component failure.

Applications

This relief valve assembly is indispensable for maintaining the integrity and safety of various hydraulic systems across professional settings. It is a direct replacement part for OTC 4020 Air/Hydraulic pumps, ensuring these power sources continue to operate within safe pressure limits. Beyond specific OTC equipment, it is widely utilized in other hydraulic presses, lifting devices, and specialized industrial tools where precise pressure regulation is paramount to protect equipment and ensure technician safety.

Specifications

• Flow Rate: Max 5 GPM
• Port Thread: 1/8" NPT Female
• Adjustment: Non-adjustable, factory pre-set