Seals Pipes with Uneven Surfaces
The Adjustable Pipe Repair Clamp solves a common problem: pipes are not always perfectly round. Old pipes may have oval shapes. Pipes may have thick coatings that vary in thickness. Standard clamps often fail to seal on these uneven pipes. This clamp has an adjustable tightening system. It adapts to different pipe diameters and shapes.
The bolts have a special adjustable compression structure. The worker can adjust the torque based on the actual pipe condition. The gasket has a larger compressible volume. As you tighten the bolts, the gasket compresses and fills gaps. It works even on pitted surfaces or weld beads. This makes the Adjustable Pipe Repair Clamp ideal for old, corroded networks where pipe conditions are poor.
Our factory has precision CNC lathes, milling machines, and drilling machines. We make each housing to tight tolerances. Our electrostatic spray line applies epoxy powder coating evenly. The coating has good leveling and no pinholes. We test every clamp on a hydrostatic test machine. Each product has its own test record.

Adapts to Real-World Pipe Conditions
A water utility in a southern economic development zone had a problem. Their pipes had different wall thicknesses and coating thicknesses. Standard clamps did not fit well. They switched to our Adjustable Pipe Repair Clamp. One product now fits multiple actual pipe diameters. Their inventory dropped from eight models to three models. Management efficiency improved significantly.
The housing is QT450 ductile iron. The bolts are 8.8 grade with adjustable torque. The gasket is EPDM with high compressibility. The epoxy coating resists corrosion in wet soil. We provide a 10-year warranty on all clamps. If you send us the actual pipe outside diameter measurements, our technical team will recommend the best model.
Specifications
|
Parameter |
Specification |
|
Application |
Pipes with ovality, coating variation, or surface defects |
|
Working Pressure |
≤1.6 MPa |
|
Housing Material |
QT450 ductile iron |
|
Sealing Material |
High-compressibility EPDM rubber |
|
Bolt Grade |
8.8 high-strength steel (adjustable torque) |
|
Surface Treatment |
Epoxy powder coating |
|
Diameter Range |
DN15 – DN300 (based on actual OD) |
|
Warranty |
10 years |
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