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The MIDLAND INDUSTRIES 619009 is a Type DA cam and groove reducer coupler designed to connect a 4-inch female coupler to a 2-inch male adapter in a single fitting. Built from aluminum, this reducer handles size transitions in cam and groove hose assemblies commonly found in industrial fluid transfer, agriculture, petroleum, and bulk material handling applications. The fitting weighs approximately 2.45 pounds and provides a secure, tool-free connect and disconnect at the coupler end. Plumbers, industrial maintenance techs, and fluid handling specialists install this type of fitting where quick coupling and line size reduction are both required at the same connection point.
This reducer coupler is suited for applications where a 4-inch cam and groove female coupler must mate to a 2-inch male adapter on tanks, hoses, pumps, or manifolds. Type DA fittings follow the standard cam and groove configuration, making them compatible across cam and groove systems that conform to MIL-C-27487 or equivalent industry standards. Typical install scenarios include tank truck offloading, irrigation systems, chemical transfer lines, and general industrial fluid handling setups.
Designed as an OEM-style replacement or new-installation fitting for standard cam and groove hose assemblies requiring a 4-inch female coupler to 2-inch male adapter size reduction in aluminum construction.
Installation is performed by qualified plumbing, irrigation, or industrial fluid handling technicians. Depressurize and drain the line fully before removing or installing any cam and groove fitting. Inspect cam arms and gasket seat for wear or damage before securing the coupler. Ensure the correct gasket is seated in the female coupler before making the connection to prevent leaks under pressure.
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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