DNV-compliant leak repair clamp delivering a permanent first-time fix with full pressure containment, and designed for permanent service.

Enables seal leak testing without hydrotesting the complete pipeline or pressurising the defect area, in accordance with DNV requirements.

FEATURES

• Leak repair and full pressure containment for defects such as pin-hole, dent, crack, or wall thickness loss

• Twin radial and longitudinal seals – enabling integrity testing without pressurising existing defects

• Radial seals energised by activation flange to ensure correct stress and long-term integrity

• Positive seal activation removes routine inspection requirements and maintenance costs

• Forged body design for a robust and reliable product

• Eliminates need for grout and enables clamp re-use should a pipeline be decommissioned

• Reliable installation process for right-first-time repair

• 30-year design life

SPECIFICATIONS

• Suitable for pipeline sizes 4 to 48″  

• 2 500 ANSI rating

• Available in carbon, stainless and duplex steel designs

• Materials to NACE requirements available

• Operating temperature -40 to +250 °C  (-40 to +482 °F)

• Diver-installed or convertible to diverless installation

• Seal length can be specified to meet defect requirements

• Selection of seal materials available to suit high H₂S and CO₂ service conditions

Our MORGRIP® Leak-Sealing Clamps can be supplied with DNV approval and retains a 100% leak-free in-service track record.