Safety valve 1/4" STANLEY 152152XSTN, 1/4-inch pneumatic safety relief valve

STANLEY Safety Valve 1/4" (model 152152XSTN) is a 1/4-inch pneumatic safety relief valve designed to protect compressed-air systems from overpressure. Manufactured to fit compatible STANLEY tools and pneumatic equipment, this safety valve provides a controlled pressure release to prevent damage to components and support safe operation in workshops and service environments. The valve is intended as a factory replacement part for STANLEY pneumatic systems and is suitable for routine maintenance and repairs.

Advantages

The safety valve offers reliable overpressure protection through precise pressure relief, helping to reduce the risk of equipment failure and maintain stable system operation. Its standard 1/4-inch connection ensures compatibility with common air fittings used in tool lines and pneumatic circuits. Built for installation in workshop and industrial service settings, the valve is designed for straightforward replacement and integration with existing air systems.

Suitable for

• Protection of compressed-air circuits in workshops and service bays
• Replacement part for compatible STANLEY pneumatic tools and equipment
• Preventing overpressure in air compressors and distribution lines

Key specifications

• Connection size: 1/4-inch thread compatible with standard pneumatic fittings
• Function: mechanical pressure relief for compressed-air systems
• Material: metal construction suitable for workshop use
• Intended environment: workshop, service, and industrial pneumatic systems

How to use

Install the valve into the appropriate 1/4-inch female port in the pneumatic line or tool according to the equipment manufacturer’s instructions. Ensure system pressure is relieved and the compressor is isolated before replacing the part. Tighten the fitting securely to prevent leaks, then gradually repressurize the system while checking for proper valve operation and the absence of leaks. Follow relevant safety procedures for working on pressurized systems.

Usage recommendations

Inspect the safety valve periodically as part of scheduled maintenance. Replace the valve if there are signs of corrosion, leakage, or if it fails to relieve pressure at the expected set point. Use compatible fittings and follow STANLEY service guidance for best results.