Mercer Valve Company, Inc. provides high quality pressure relief valves. The Mercer 9500 Series Snap Acting Pilot Operated Relief Valve is constructed with the same care and precision as our other valve lines.

These pilot operated valves are ideal for protecting air and gas pipelines, compressors, and vessels. The 9500 Series is an industrial service valve that sets higher standards for the safety relief valve industry. Mercer’s 9500 Series is a complete valve line with API orifice sizes from D through T and Full Bore Orifices form 11/2″ to 8″. Inlet and outlet sizes are available from 1″ x 2″ up to dual outlet 8″ x 10″ x 10″ valves. The Mercer pilot operated relief valves feature a low blowdown, reducing product loss.

Mercer’s Modulating Pilot operated Valve is a unique design to the relief valve industry. The design is based on proven technology and is setting new standards of excellence. The Modulating Pilot operates proportionally to the amount of overpressure the system is exposed to.

The Mercer Valve Company 9500 Series Modulating Acting Pilot Relief Valve features include:

• Mercer’s patented Auto-Seat Technology
• Stainless Steel Internals
• Vibration Resistant Pilot Valve Mounting
• Leak Testing Meets API 527
• Modulating Action Pilot Design
• Built in Accordance with provisions of ASME