Plenum-rated Variable Closure Clamp

250-S

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.

Features and benefits:
  • 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
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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
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Versatile

Compatible with multiple pipe types and sizes.

Approved

Meets codes & standards requirements for plenum rating.

Integrative

Designed to work with HoldRite brackets.