Steel Repair Sleeves
Allan Edwards has been providing total pipeline sleeve repair solutions since 1950. We manufacture the pipe repair sleeves, our patented sleeve installation jacks for the most reliable pipeline sleeve repair system in the industry.
The following animation shows the pipeline sleeve repair process.
Material used to form Half Sole Pipe Repair Sleeves are from Allan Edwards, Inc. stock structural quality carbon steel or pressure vessel quality carbon steel plates, which are to ASTM specifications.
Copies of material test reports will be kept on file and will be used to recheck and re-verify heat numbers prior to cutting material in first step of manufacture.
Half Sole is formed by rolling, or die forming without the use of heat treating.
Longitudinal edges of the Half Sole are beveled for welding, if requested.
Half Sole ends have sheared square edges for fillet welding, unless square end bevel is requested.
Milling of Half Sole for backing strips
Half Soles can be milled on the inside longitudinal edges for the backing strips.
Backing strips are hot rolled commercial carbon steel sheet and strip of commercial quality.
Mechanical Properties and Testing
Mill test reports will be furnished on all materials. Stock plate is not available with a maximum hardness guarantee. Independent testing may be performed to check the hardness on stock plate. Additional independent testing available to include: destructive, magnetic particle, liquid penetrate, ultrasonic and radiographic.
The Half Sole are thoroughly inspected visually for defects before shipment. All dimensions, including end and side preparation, are measured and verified. Any pipe repair sleeve not meeting the requirements for visual inspection or dimensional tolerance are rejected.
Marking and Shipping
Each piece of Half Sole are clearly marked with size, wall thickness, grade of steel plate, Allan Edwards' job number and customer purchase order number.
Manual Pipe Jack for Installing Sleeves
Allan Edwards custom made mechanical Pipe Jacks for installing steel Half Sole on steel pipe. Jacks are made for 2" through 42" pipe, and one Jack can be used for multiple sizes of pipe.
Girth Weld Sleeves
Girth Weld Sleeve - Allan Edwards Allan Edwards' Girth Weld Sleeves are used to reinforce a welded pipe joint.
Fabricated Weld Sleeves
For Pipe Lines, Screw Collars and Dresser Couplings. Available in a design for easy installation.