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The DIXON VALVE COUPLING 400 is a double bolt hose clamp made from plated iron, designed to secure hose connections in plumbing, industrial, and fluid-handling applications. Double bolt clamps provide a more even clamping force across larger hose diameters compared to single bolt designs, reducing the risk of hose slippage or leakage under pressure. This clamp fits hose outside diameters from 3-1/2 inches to 3-13/16 inches. It is a standard hardware item typically installed by plumbers, pipefitters, and industrial maintenance technicians working with larger-bore hose assemblies.
This clamp is suited for use on larger-diameter hoses in residential, commercial, and light industrial settings. Common applications include drainage connections, irrigation lines, pump discharge hoses, and similar fluid-transfer assemblies where a secure, evenly distributed clamp is required. The plated iron construction provides corrosion resistance suitable for general-purpose indoor and moderate-exposure outdoor use. Each unit is sold individually.
Designed as an OEM-style replacement or new-installation double bolt hose clamp for hoses with an outside diameter between 3-1/2 inches and 3-13/16 inches in plumbing and industrial fluid-handling systems.
Installation is typically performed by a licensed plumber or qualified pipefitter. Before installing or replacing a hose clamp, shut off flow and relieve any pressure in the line. Use the appropriate wrench or nut driver to tighten both bolts evenly, alternating between them to ensure uniform seating around the hose. Do not overtighten, as this can deform the hose or crack the clamp body.
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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