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The SIOUX CHIEF 557-7 is a polypropylene suspension clamp designed to support and secure 2-inch tubing in overhead or structural mounting applications. Built under the EZGlide line, it accommodates a 25-pound load capacity and is intended for use in residential and light commercial plumbing installations. The polypropylene construction resists corrosion and chemical exposure, making it a reliable choice for copper, CPVC, and plastic piping systems. Licensed plumbers and pipefitters install this clamp when routing tubing along joists, beams, or framing where a clean, secure support point is required.
The 557-7 is suited for new construction and retrofit plumbing projects where 2-inch tube runs need consistent, code-compliant support spacing. It is commonly installed in residential supply lines, drain systems, and light commercial piping layouts. The EZGlide design allows the pipe to shift slightly during thermal expansion and contraction, reducing stress at support points over time. Domestic manufacturing ensures dimensional consistency for standard 2-inch tube outside diameters.
Designed as an OEM-style suspension support for 2-inch tube in residential and light commercial plumbing systems.
Installation is performed by a licensed plumber or pipefitter. Shut off the water supply and relieve system pressure before modifying any existing pipe runs. Support spacing should comply with IPC guidelines for the pipe material being used. Do not exceed the 25-pound rated load capacity when sizing this clamp for your application.
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