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The MIDLAND INDUSTRIES 940827 is a high flow muffler designed to reduce exhaust noise in pneumatic systems while maintaining strong airflow. Constructed from aluminum with a 50 mesh stainless steel filter element, it threads directly into exhaust ports using a standard 1-11-1/2 MPT connection. Rated to 300 psi maximum operating pressure and suitable for temperatures ranging from 35 to 160 degrees F, this muffler suits demanding shop-air and industrial pneumatic applications. At 0.185 pounds, it adds minimal weight to any valve body or manifold assembly where it is installed.
This muffler is used in pneumatic control systems, air-operated valves, cylinders, and directional control valve exhaust ports. It is a common component in industrial automation, manufacturing, and mechanical systems where exhaust noise must be controlled without restricting flow. The hole pattern design and standard MPT thread make it straightforward to install on most pneumatic valve exhaust ports in both new builds and retrofit situations. Technicians working on compressed air systems in light industrial, commercial, and facility maintenance environments are the primary installers.
Designed as an OEM-style replacement or service part for pneumatic valves and cylinders equipped with 1 inch MPT exhaust port connections rated for compressed air service.
Installation is performed by qualified pneumatic or mechanical technicians. Depressurize and lock out the compressed air supply before removing or installing any muffler on a live pneumatic circuit. Apply thread sealant appropriate for compressed air to the MPT threads and tighten to snug by hand before using a wrench, taking care not to overtighten aluminum-bodied fittings. Verify the system operates within the rated 300 psi pressure and 35 to 160 degrees F temperature limits after 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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