Sioux Chief 550 11 Touch Down ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$0.70
Sioux Chief 550 11 Touch Down Pipe Clamp Set, Adjustable Stand-Off, Bagged

Sioux Chief 550 11 Touch Down Pipe Clamp Set, Adjustable Stand-Off, Bagged

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Model: 550-11

In Stock (leaves warehouse same day if ordered before 3pm ET)

$0.70
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Sioux Chief 11 Touch Down Pipe Clamp Set, Adjustable Stand-Off, Bagged

The Sioux Chief Touch Down Clamp Set is a rough-in pipe clamp designed to secure 1/4" - 1" CTS and 1/8" - 1" Sch. 40 pipe while providing a consistent 1/4" stand-off from the mounting surface. Compatible with copper, PEX, or CPVC pipe, this clamp set features a locking mechanism that allows variable tension, so the installer can clamp the pipe tightly or leave room for expansion and contraction as the line heats and cools. Sold bagged in quantities of 100 EA, this clamp is built for plumbers and contractors running supply or waste lines behind walls, under floors, or through plenum spaces where fire and smoke ratings matter.

Key Features

  • Trade Size Range: Fits 1/4" - 1" CTS and 1/8" - 1" Sch. 40 pipe, covering the most common rough-in supply and drain sizes.
  • Stand-Off Design: Provides a 1/4" stand-off from the mounting surface to keep pipe clear of studs, joists, and framing.
  • Variable-Tension Locking Mechanism: Lets the installer clamp the pipe tightly or allow controlled movement for thermal expansion and contraction.
  • Pipe Material Compatibility: Works with copper, PEX, or CPVC pipe, making it a versatile clamp for mixed-material rough-in runs.
  • Plenum-Rated Construction: Meets ASTM E84 25/50 flame/smoke spread and UL-94 V0 flame ratings for the plenum-rated model, supporting use in air-handling spaces.
  • Patented Design: Manufactured under Patent # 6,126,122.
  • Bagged Packaging: Supplied in a 100 EA bag for efficient stocking and job-site handling.

Certifications & Compliance

  • ASTM E84 25/50 Flame/Smoke Spread Rating (plenum-rated model)
  • UL-94 V0 Flame Rating (plenum-rated model)

Technical Specifications

  • Trade Size: 1/4" - 1" CTS / 1/8" - 1" Sch. 40
  • Stand-Off: 1/4"
  • Pipe Compatibility: Copper, PEX, CPVC
  • Packaging: 100 EA bagged
  • Country of Origin: United States
  • Patent: Patent # 6,126,122

Typical Applications

  • Residential and Commercial Rough-In Plumbing
  • Copper, PEX, and CPVC Supply Line Support
  • Plenum and Air-Handling Space Installations
  • New Construction and Remodel Pipe Runs
  • Securing Pipe to Studs, Joists, and Framing with Expansion Allowance

Why Sioux Chief?

Sioux Chief engineers this Touch Down Clamp Set with a patented, variable-tension locking mechanism that gives plumbers control over how tightly pipe is secured, whether the application calls for a rigid hold or room for thermal movement. The plenum-rated model's ASTM E84 and UL-94 V0 ratings make it a practical choice for installations that pass through air-handling spaces, and its compatibility with copper, PEX, and CPVC pipe means one clamp set can serve multiple pipe materials on the same job.

Manufacturer Resources

Product Specs

Product Type:
Pipe Hanger
Connection Type:
Clamp
Configuration:
Adjustable Stand-Off
Standards:
ASTM E84
Country of Origin:
United States
Department:
Plumbing
Product Group:
Rough-In and Supports
Product Subgroup:
Hangers and Supports
Product Size:
1/4" - 1"

Sioux Chief 550-11 – Frequently Asked Questions

1) Will this clamp hold PEX far enough off the stud to allow for expansion?
Yes on both counts. The Touch Down clamp holds the pipe a consistent 1/4 inch off the mounting surface, keeping it clear of studs, joists, and framing, and its variable-tension locking mechanism lets you set it loose enough for the line to move as it heats and cools. Tighten it down instead if you want a rigid hold.
2) Can I use these pipe clamps in a plenum or return-air space?
The plenum-rated version of the Touch Down clamp meets ASTM E84 25/50 flame and smoke spread and carries a UL-94 V0 flame rating, which is what inspectors look for on supports running through air-handling spaces. Confirm you are ordering the plenum-rated model, since the ratings apply to that version.
3) Is a Touch Down clamp the right choice instead of a two-hole strap or a copper bell hanger?
A two-hole strap pulls the pipe flat against the framing and holds it rigid. The Touch Down clamp is for when you want the pipe standing 1/4 inch off the surface and want to choose how tight it is held, because the locking mechanism gives variable tension. For hot water copper or CPVC that grows and shrinks, that stand-off plus controlled movement is the reason to pick it. For a line you want dead solid against the stud with no gap, a strap is the simpler part.
4) Can the same clamp be used for both copper supply and CPVC on one job?
Yes. The Touch Down clamp set is rated for copper, PEX, and CPVC across 1/4 inch to 1 inch CTS, so a mixed-material rough-in can be supported with one part number rather than switching clamps by material.
5) How many clamps come in a bag of Sioux Chief 550-11?
Bagged 100 each. That is a stocking quantity for a truck or a shop shelf, not a single-piece item, so plan the order around full bags for a rough-in job.
6) Do I need screws or any other fastener to install these clamps?
The Touch Down clamp set is a clamp-type support that mounts to studs, joists, or framing, and the set itself is just the clamps, 100 to a bag. Supply your own fasteners sized for the framing material you are attaching to.
How fast can I get the Sioux Chief 550-11 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sioux Chief 550-11 come with a warranty?
Absolutely. The Sioux Chief 550-11 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sioux Chief 550-11?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Sioux Chief 550-11 from ZenSupply?
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