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Plenum-rated Variable Closure Clamp

This lab-tested, variable-size pipe clamp is ideal for sound-rated and isolation applications when code requires a plenum rating. Flat-based, it mounts directly to HoldRite Stout Bracket, wood, metal or other surfaces.
Key features:

  • Compatible with copper, PEX, CPVC, iron pipe and other system materials 
  • Meets requirements of UL 94 V-0 and ASTM E84 25/50 ratings
  • Load rating of up to 300 pounds
  • Ideal for securing tubing to HoldRite EZ-Strut trapeze platform or Stout Brackets
     
Where to Buy
SKU Pipe Size Description Dimensions
250-S 3/8–1 in. CTS 

25 lbs. suspended, 200 lbs top mount

2-3/8 in. x 2-5/8 in.
255-S 3/8–1 in. CTS 

25 lbs. suspended, 200 lbs top mount

2-7/8 in. x 2 in. - Flat
280-S 1–2 in. CTS

75 lbs. suspended, 300 lbs top mount

4-3/8 in. x 5-1/8 in.
285-S 1–2 in. CTS

75 lbs. suspended, 300 lbs top mount

4-3/8 in. x 4 in. - Flat
More Details

Common Applications

  • Vertical
  • Tubing isolation
  • Trapeze
  • Plenum support
  • Overhead support
  • Mid-span support
  • Medical gas support
  • Horizontal
  • Dissimilar metal isolation

Approvals & Listings

  • UPC / IPC / IAPMO listed
  • UL 94 V-0
  • ASTM E-84 25/50