Flange leak repair clamp

Flange Repair Clamps

Flange Repair Clamps - Stop leaks in flange gaskets


Flange Repair clamps WA-FRC units are a permanent repair clamps for leaking flange gasket. The unit is installed without taking the line out of service.

Operation line pressures up to 2500 psi, seals may be Viton, NBR, EDPM.

No special flange surface preparation is required, no costly shutdowns for installation.

Flange repair clamps can be installed by company maintenance personnel. There is no altering of existing flanges, other than cleaning the flange.

On scheduled shutdown maintenance the flange repair clamp can be removed and the gasket replaced. The unit may put back in service or held in stores for future repair.

Injection sockets are utilized to fully seal the compartment. In case of a small gap between the line flanges, gaskets can be installed for temporarily sealing prior too and during injection.

Product specification:

1. Body: ASTM A516 Gr.70flange-leak-repair
2. Stud Bolts: ASTM A193 Gr.. B7
3. Nuts: ASTM A194 Gr 2H
4. Gaskets: NBR

Design standards:

  • API SPEC 6H, Specificating on End Closures, Connectors and Swivels
  • API SPEC 5L, Specification for Line Pipe
  • ASME Pressure Vessel Code, Section VIII
  • ASME/ANSI B18.2.1, Square and Hex Bolts and Screw Inch Series

Flange Clamp leak repair cut sheet:

Flange Leak data sheet

Flange Leak Ordering Measure Requirements

Material specifications
Standard Clamp Components

  • Body: - ASTM A516
  • Stud Bolts: - A193 Gr. B7
  • Nuts: - A194 Gr. 2H.

Pipe leak repair clamps - Pin-Hole Leak Repair

WA Pin-Hole leak Repair Clamp


Pipe Pin-hole leak repair clamp utilizes a locator pin which guides a pointed cone seal into the leaking hole.

Pressure is then applied to the cone seal by a force screw and once the seal is compressed the pin may be removed thus completing the seal.


Pit hole clamp repair leaks are capable of withstanding working pressures of up to 138 bar (2000 psi).

Materials: SS-316 / Pilot Hole SS 316
Seal: Nuna "N"
ASTM-A 193-B7 & ASTM-A-194-2H

WA-pin-hole leak repair clamps: are specially engineered to repair high pressure leaks in pipelines. Easy to install use to repair small corrosion pit holes.


Pipe size: outside diameter
Media in the pipe line
Operating pressure

ConfigurationsĀ depends on customer request.

Location Size Range (Inch) ANSI Class
Offshore/Onshore Minimum Maximum Minimum Maximum
Offshore/Onshore 1 18 150 2500
20 38 150 1500
40 56 150 600

Download pit-hole repair clamps cut sheet

Contact us: Westatlantic Tech Corp.., 902 455 4455

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