The SEDCO Division of Primore, Inc. is a manufacturing company, was founded in 1956 and is located in the south-eastern Michigan community of Adrian. Please fill in SEDCO's product selection guide to request specific information regarding any of our products. SEDCO has been the leader in Pressure Relief Valve (PRV) design, development and manufacture since the 1960's.

Over 600 million SEDCO Pressure Relief Valves have been put into service since that time with "Zero" Warranty returns. SEDCO has proven to be the true benchmark for quality, delivery and service in this market.

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Products Report

SEDCO has been a leader in the design and manufacture of valves for numerous applications. The primary focus has been on Pressure Relief Valves for Hermetic Compressors (sometimes called IPR Valves) and Automotive A/C Systems (sometimes known as HPRV's). The common denominator, regardless of the application, is SEDCO's ability to design and manufacture highly reliable valves.

Automotive A/C Report

SEDCO was the first private company to manufacture a Pressure Relief Valve for Automotive A/C applications. These valves are designed with a "soft seat", utilizing specially engineered elastomer seals. Each valve is 100% tested prior to shipment. And, SEDCO can perform all performance and endurance testing required by the major automobile manufacturers, in our state of the art laboratories.

Residential & Commercial A/C Report

SEDCO is the largest manufacturer of Internal Pressure Relief Valves, or Bypass Valves for Hermetic Compressors U.S. Air Conditioner Valves All of the valves for Hermetic Compressor Applications are U.L. Recognized and have passed the stringent Underwriters Laboratory Endurance Testing. SEDCO can utilize existing valves or components to economically supply your need, or manufacture a valve specifically for your requirements.

Automotive Report

SEDCO valves can be found in numerous automotive systems. Descriptions can include: Check Valve, Dump Valve, Bypass Valve, and Pressure Relief Valve. They can be used in either hydraulic (liquid) or pneumatic (gaseous) systems. Located in the Engine or Transmission, or in the Braking, Steering or similar subsystems; SEDCO valves are the best solution to your most difficult demands.

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