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Plenum-rated Variable Closure Strut Clamp

This variable-size strut clamp is ideal for securing copper, PEX, CPVC and gas tubing directly to a strut/channel when code requires a plenum rating. Quick to install, the clamp doesn’t require tools and eliminates need for over 20 strut clamp SKUs.
Key features:

  • Provides dissimilar metal isolation
  • Meets ASTM E84 25/50 and UL 94 V-0 ratings
Where to Buy
SKU Pipe Size Description Dimensions
257-S 3/8–1 in. CTS 

25 lbs. suspended, 200 lbs. top mount

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

75 lbs. suspended, 300 lbs. top mount

3-½ in. x 4-7/8 in.
More Details

Common Applications

  • Vertical
  • Trapeze
  • Overhead support
  • Mid-span support
  • Medical gas support
  • Horizontal

Approvals & Listings

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