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The NATIONAL MARKER N344648 is a 2-inch universal pipe clamp constructed from zinc plated steel, designed for securing pipe runs in both interior and exterior installations. The zinc plating provides a layer of corrosion resistance suited to humid or outdoor environments where bare steel would degrade. This catalog model 300BC clamp is a single-piece functional hardware component typically installed by plumbers, pipefitters, and mechanical contractors during rough-in or retrofit work. It is sold individually and weighs 1.148 pounds.
This pipe clamp is appropriate for residential and light commercial plumbing, HVAC piping, and general mechanical applications where a reliable, corrosion-resistant pipe support is needed. Its universal design makes it adaptable to a range of interior and exterior pipe mounting scenarios, including wall and ceiling support runs. The zinc plated finish extends service life in damp or exposed conditions without requiring additional surface treatment.
Designed as an OEM-style universal pipe clamp suitable for 2-inch pipe support applications in standard residential and commercial plumbing and mechanical systems.
Installation is typically performed by licensed plumbers or pipefitters following applicable IPC or local mechanical code requirements. Shut off the relevant piping system and relieve any pressure before securing or repositioning pipe supports. Use appropriate fasteners rated for the mounting surface to ensure the clamp holds pipe securely without movement or vibration transfer.
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