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The VALUE COLLECTION 2311082531 is a five-piece industrial pneumatic coupling plug set designed for compressed air lines and pneumatic tool connections. Each set includes five male couplers with 1/4-inch NPT threads and a maximum working pressure rating of 215 psi. The couplers are zinc-bodied and conform to the industrial interchange standard, making them compatible with standard industrial quick-connect air systems. Technicians in HVAC, plumbing, and general mechanical trades use these plugs for quick-connect air fitting assemblies on shop compressor lines and portable pneumatic equipment.
This set is suited for industrial shop environments, service vans, and facility maintenance applications where standard industrial interchange quick-connect fittings are used. The 1/4-inch NPT thread is a common connection size for air hoses, inline regulators, and pneumatic tools. All five couplers are included in a single package, making this a practical restocking or initial-setup option for air supply stations and mobile service units.
Designed for use with industrial interchange pneumatic quick-connect systems using 1/4-inch NPT threaded connections and rated for compressed air service up to 215 psi.
Installation is typically performed by HVAC technicians, plumbers, or mechanical trades familiar with compressed air systems. Always depressurize and bleed the air line before disconnecting or installing any coupler. Apply thread sealant or PTFE tape to NPT threads per standard practice and tighten to a snug fit without over-torquing the zinc fittings. Verify system pressure does not exceed the 215 psi rating of these couplers before returning the line to service.
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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