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pipe coupling clamp

Repair Coupling Clamps

Repair coupling clamps provide a safe and reliable way to seal damaged pipes from a broad range of materials, such as steel, ductile iron, fiber cement, PVC, and fiberglass material. Ideal for repairing holes and circumferential breaks, Straub repair coupling clamps are available in single and split-coupling versions. These easy-to-install couplings provide the perfect solution for reliable repair of gas, water and wastewater pipes and have all the benefits of the innovative Straub system.

Used for: Repairing holes and pipe splits in pipes of all types, available in one-piece or two-piece clamps.

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Product Benefits

  • Repairs pipes made from a broad range of materials
  • Eliminates welding. No special tools required
  • Detachable and reusable
  • Joins different pipe materials
  • Easy to install
  • Compact design makes repairs possible in confined spaces
  • Two-piece coupling can be installed around pipes with minimal disruption of service
  • Saves time, labor, money

With more than 50 years of continuous development and improvement, Straub repair coupling clamps are comprised of premium materials and designed for easy installation, trouble-free service and a long lifespan. Straub’s patented progressive sealing effect increases the grip on the pipe as the pressure inside the pipe increases, creating a robust and reliable connection.

Outside Diameter (Pipe)
Pipe Size RangeActualOD RangeWorking PressureProduct
InchesInches/mmInches/mmpsi/bar
1.5 - 3"1.7 / 44.01.73-1.89/ 44-48232/ 16Clamp - One-Piece
1.9 / 481.89-2.05/ 48-52232/ 16Clamp - One-Piece
2.1 / 542.13-2.28/ 54-58232/ 16Clamp - One-Piece
2.4 / 602.36-2.64/ 60-67232/ 16Clamp - One-Piece
2.6 / 672.64-2.91/ 67-74232/ 16Clamp - One-Piece
2.8 / 702.76-3.03/ 70-77232/ 16Clamp - One-Piece
3.0 / 752.95-3.27/ 75-83232/ 16Clamp - One-Piece
3-5"3.2 / 823.23-3.50/ 82-89232/ 16Clamp - One-Piece
3.4 / 873.43-3.74/ 87-95232/ 16Clamp - One-Piece
3.5 / 883.46-3.86/ 88-98232/ 16Clamp - One-Piece
Clamp - Two Piece
3.7 / 953.74-4.09/ 95-104232/ 16Clamp - One-Piece
3.9/ 100.03.94-4.72/ 100-120232/ 16Clamp - Two Piece
4.3 / 1084.25-4.65/ 108-118232/ 16Clamp - One-Piece
Clamp - Two Piece
4.4 / 1134.45-4.84/ 113-123232/ 16Clamp - One-Piece
4.5/ 114.04.49-5.28/ 114-134232/ 16Clamp - Two Piece
4.6 / 1184.65-5.04/ 118-128232/ 16Clamp - One-Piece
4.7 / 1204.72-5.16/ 120-131232/ 16Clamp - One-Piece
Clamp - Two Piece
5-8"5.1/ 130.05.12-5.91/ 130-150232/ 16Clamp - Two Piece
5.2 / 1325.20-5.59/ 132-142232/ 16Clamp - One-Piece
5.3 / 1355.31-5.71/ 135-145232/ 16Clamp - One-Piece
5.5 / 1395.47-5.87/ 139-149232/ 16Clamp - One-Piece
Clamp - Two Piece
5.7 / 1455.71-6.10/ 145-155232/ 16Clamp - One-Piece
6.3 / 1596.26-6.69/ 159-170232/ 16Clamp - One-Piece
Clamp - Two Piece
6.6 / 1676.57-7.01/ 167-178232/ 16Clamp - One-Piece
6.61-7.44/ 168-189Clamp - Two Piece
6.9 / 1766.93-7.36/ 176-187232/ 16Clamp - One-Piece
7.5/ 190.07.48-8.27/ 190-210232/ 16Clamp - Two Piece
7.6 / 1937.60-7.99/ 193-203145/ 10Clamp - One-Piece
8-12"8.3/ 210.08.27-9.06/ 210-230145/ 10Clamp - Two Piece
8.5 / 2158.46-8.86/ 215-225145/ 10Clamp - One-Piece
8.6/ 218.08.58-9.37/ 218-238145/ 10Clamp - Two Piece
9.0 / 2288.98-9.41/ 228-239145/ 10Clamp - One-Piece
9.4 / 2409.45-9.84/ 240-250145/ 10Clamp - One-Piece
Clamp - Two Piece
10.3 / 26110.28-10.67/ 261-271145/ 10Clamp - One-Piece
10.6 / 26910.59-11.02/ 269-280145/ 10Clamp - One-Piece
Clamp - Two Piece
11.0 / 28011.02-11.46/ 280-291145/ 10Clamp - One-Piece
11.1/ 282.011.10-11.89/ 282-302145/ 10Clamp - Two Piece
12-17.5"12.4 / 31512.40-12.80/ 315-325145/ 10Clamp - One-Piece
Clamp - Two Piece
12.6 / 32012.60-12.99/ 320-330145/ 10Clamp - One-Piece
12.7/ 322.012.68-13.54/ 322-344145/ 10Clamp - Two Piece
13.3/ 337.013.27-14.09/ 337-35887/ 6Clamp - Two Piece
13.7/ 347.013.66-14.45/ 347-36787/ 6Clamp - Two Piece
14.4/ 365.014.37-15.16/ 365-38573/ 5Clamp - Two Piece
15.4/ 390.015.35-16.14/ 390-41073/ 5Clamp - Two Piece
16.1/ 410.016.14-16.93/ 410-43073/ 5Clamp - Two Piece
16.5/ 420.016.54-17.32/ 420-44073/ 5Clamp - Two Piece
Open-Flex and Rep-Flex Couplings can be used for holes and cirumferential breaks. Please contact your local Straub sales representative for selection information.

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