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GRE pipe solutions for high tech subsea acoustic equipment

GRE pipe solutions for high tech subsea acoustic equipment

BONDSTRAND® Glass Reinforced Epoxy composite pipe systems are suitable for a wide range of Marine, Offshore, Oil and Gas applications, providing a robust and corrosion resistant alternative to traditional materials.

We recently supplied and fabricated thick walled BONDSTRAND® GRE pipe as part of an acoustic mooring line subsea monitoring system that measure mooring line inclination and tension on the Catcher FPSO.

The design features an interlocking assembly of BONDSTRAND® GRE pipe spools that are 1.8m in length and 3 to 4 inches in diameter, which are secured into position by bespoke Fibre Reinforced Polymer (FRP) pins. The BONDSTRAND® GRE pipe is designed to sit inside an i-tube and compress together to maintain the position of the acoustic mooring monitor and receiver connected at both ends of the pipework. EXTREN® FRP spacers are incorporated into the design to limit buckling along the 20m span.

The composite system will remain in-situ for 20+ years. 

A feasibility study was conducted by our in-house Engineering Services Department to investigate the use of glass reinforced piping for this design. The analysis was conducted in critical areas and consisted of four failure modes: crush, shear out, tensile and buckling. The design can withstand 10.1kN compression loading, and is designed to Eurocode EN 1991-1-1: Eurocode 1.

What are the benefits of using our BONDSTRAND® GRE pipework?

  • Strong & robust
  • Lightweight - approx 1/6 weight of steel
  • Corrosion resistant
  • Low maintenance - reducing through-life costs
  • Pre-fabricated off-site to enable a fast track installation
  • Design life expectancy of 25+ years

Bondstrand GRE® is available in a wide range of specifications to meet your project requirements. Request the FREE technical documents here  or contact us to speak to one of our experts.

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