Trusted by Global Industries
RK Valve provides precision-engineered valves for diverse industries — including Chemical, Semiconductor, Pharmaceutical, Food Processing, and Water Treatment. Our solutions ensure efficiency, safety, and reliability under the toughest conditions.
Global Distribution Network
RK Valve partners with a trusted network of distributors worldwide to ensure our products are always within reach. Our distributors provide local expertise, faster delivery, and dedicated customer support, making it easier for you to access the right solution for your operations.
HARRINGTON INDUSTRIAL PLASTICS - Branches across all states in US
14480 Yorba Ave. Chino, CA 91708
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A company committed to precision valve manufacturing Supplying high-quality industrial valves through trusted distributors worldwide.
Our Product Portfolio
RK Valve offers a wide range of solutions engineered to meet the highest standards of performance, safety, and durability. Each product is backed by decades of expertise and innovation.
Engineering Excellence
since
1978
For more than four decades, RK Valve has been at the forefront of valve engineering and manufacturing. With 100% USA-based operations, ISO-certified processes, and a commitment to innovation, we are proud to be the trusted partner of choice for industries worldwide.
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What People Are Saying
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We replaced three trouble‑prone valves on our caustic loop with RK units. Pressure holds are steady now, and our weekend callouts basically disappeared. It’s not flashy—just works, which is what we needed.
UPW changes can be painful here, but RK’s ultra‑pure valves validated clean on the first inspection. Install was straightforward, no particle surprises, and their tech answered two nitpicky fittings questions in under an hour.
We swapped in RK valves on our salting line before a tight production run. Seals held up through back‑to‑back CIP cycles and the operators quit taping notes on sticky handles. Small thing—but it sped up changeovers.
Our aeration train is rough on gear. The RK valves survived the first quarter without the usual scale‑related sticking, so we standardized them on the next outage.Fewer wrench turns, less grumbling from maintenance.
We needed lightweight valves that wouldn’t drift under pressure/temperature swings. RK’s units held spec in thermal cycling and the bench tests matched the flight data. That consistency saved us a round of redesign.
