Item Description
Hose and Fitting Supply provides the DOT Composite Plug to shield open ports, prevent hazardous contamination, and uphold complete leak-free reliability across all your vehicle air brake assemblies and heavy fluid power machinery.
- D.O.T. and SAE Compliant
- One-touch connection reduces installation time
- UV- and vibration-resistant composite body
Protecting open ports against ambient dust, airborne moisture, and harsh road debris during routine shop maintenance, prolonged equipment storage, or active transport remains crucial for avoiding unexpected line failures and keeping your entire commercial fleet fully operational. As your primary industrial hose supplier, we deliver exceptionally durable composite components engineered to withstand relentless vibration, aggressive chemical exposure, and extreme thermal shifts without cracking, degrading, or warping under pressure. Integrating high-grade industrial hose fittings across your facility's pneumatic distribution lines creates a resilient, airtight barrier that preserves optimal operating pressure during continuous heavy-duty service. For demanding fluid power circuits, pairing these protective capping plugs with durable hydraulic hose fittings prevents abrasive particles from invading delicate pump housings, scoring polished cylinder walls, or damaging sensitive internal control valves.
Consistently meeting mandatory federal safety standards across commercial vehicle plumbing demands hardware specifically engineered for absolute operational reliability. Certified DOT fittings ensure total regulatory compliance for truck and trailer air brake systems, effectively protecting your active fleet from dangerous pressure drops, unexpected roadside breakdowns, and costly safety violations. Throughout demanding construction, forestry, agricultural, and industrial manufacturing applications, robust hydraulic fittings sustain smooth, uninterrupted fluid transfer across complex multi-line hydraulic setups operating under immense loads.
When field technicians perform rapid line capping, system testing, or emergency on-site repairs, deploying modern DOT quick-connect air fittings significantly streamlines your workflow by enabling instant, tool-free, secure attachments without requiring specialized equipment or additional thread sealants. Upgrading your shop inventory with these reliable hose fittings shields vulnerable fluid connections, dramatically prolongs attached machinery service life, and ensures smooth, fully compliant, highly productive operations day after day. Order this DOT Composite Plug online today.
Specifications
Temperature Range: -40° F to 140°F (-40°C to 60°C)
Maximum Working Pressure: 145 psi (9.9 Bar)
Construction: Brass, Acetal
Seals: Buna-N, Nitrile Rubber
