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CPS Products Inc.

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4658 South Custer Road, Building A, Monroe, MI 48161, USA


41.9363759, -83.4855578










CPS Products Inc. is a piping solution specialist with more than 35 years experiences in serving our customers around the world with our CPS brand products, which includes Grooved pipe coupling and fittings, Valves, Ductile Iron threaded fittings, Cast Iron threaded fittings as well as other associated products in application of the fire protection, mechanical, industrial, and mining industries.

Our main manufacturing facility incorporates advanced equipment, automated and computerized molding machinery, and “in house” capabilities, where our quality control procedures are utilized from inspection of incoming material to the finished products or fittings. We manufacture rubber products for our competitor’s grooved lines.

The products and services we serve to the cannabis industry include:

Grooved Coupling & Fittings

CPS has been a leader in providing grooved couplings and fittings to the fire protection, mechanical, industrial, and mining industries for over 35 plus years worldwide. Our grooved fittings are UL, ULC, FM, and MEA approved and ISO Certified for quality assurance. With “in-house” engineers on its staff, CPS Products Inc. strives to improve on its extensive grooved line and analyze applications of its products in order to help select the proper coupling and or fitting to fit your needs. Our rated pressures are designed to meet most all system applications. We manufacture sizes 1″ through 14″ in painted, hot dipped galvanized, and can provide stainless steel upon request. We stock the painted and galvanized couplings and fittings in our Monroe, MI distribution facility and are readily available to all our distributors.


With more than 50 years of Foundry experience and advanced technology and equipment, high quality, large production capacity, and vast R&D capabilities CPS Valves has an offering of both UL/FM Listed and Non-Listed Valves for the fire protection, mechanical, industrial, and mining industries. As an industry leader and key high tech manufacturer, our quality control standards are at the most stringent levels with ISO certification. These valves are manufactured with ductile Iron bodies and in conformance with ASTM A536, 65-45-12 Standards. This esteemed Valve line consist of gate valves, butterfly valves, check valves, and Indicators.

Threaded Fittings

CPS newest foundry is manufacturing ductile iron threaded fittings. CPS Branded DI threaded fittings are UL and FM approved and rated at 300PSI. The castings conform to ASTM A 536 65-45-12 standards, and fitting dimensions conform to ANSI / ASME B16.3 Standards. The NPT Threads on all fittings conform to ASME B1.20.1. Fittings size ranges from 1″ to 2″.

Rubber Seals

CPS is honored to serve our customers with high quality rubber seal, oil seal and gasket products made by our partner, Hilywill. Hilywill is a full service manufacturing and engineering company with advanced and complete R & D, production and test facility. Ours rubber seal production factory has passed and been rewarded with TS16949 and ISO9001 quality management system certification and ISO14001 environment management system certification.



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