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The CPC COLDER PRODUCTS PMCD220112 is a male inline hose barb plug designed for use in small-diameter fluid line applications. This fitting serves as a shutoff plug that terminates or caps a hose barb connection while maintaining a secure, leak-resistant seal. Built from polypropylene with an EPDM o-ring, it handles a maximum working pressure of 120 psi and operates across a temperature range of 32 degrees F to 160 degrees F. The 1/8 inch nominal flow size and 1/16 inch tube inside diameter make it suited for low-flow, small-bore tubing systems. Licensed plumbers, fluid handling technicians, and equipment service professionals typically work with this type of fitting.
This plug fits inline hose barb coupling systems where a male plug termination is required. It is appropriate for residential and light commercial fluid line installations, laboratory equipment, cooling systems, and other applications that use small-bore polypropylene quick-disconnect or barb-style coupling assemblies. The shutoff valve type means the plug automatically or manually stops flow when engaged, making it useful for service and maintenance scenarios where line isolation is needed without full disassembly.
Designed as an OEM-style replacement or service fitting for inline hose barb coupling systems using 1/16 inch ID tubing with a 1/8 inch nominal flow size.
Installation of this fitting is typically performed by plumbers, fluid system technicians, or equipment service professionals familiar with small-bore coupling systems. Depressurize and drain the fluid line completely before removing or installing any coupling component. Ensure the mating coupling body and o-ring seating surfaces are clean and free of debris before engaging the plug. Verify that the tubing ID and nominal flow rating of the existing system match this fitting before installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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