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Structure-flex can supply proof load test bags for use in the following services and industries

  • Marine and shipping construction
  • Oil and gas industry
  • Defence industries
  • Crane, winch and davit manufacturers
  • Lifeboat construction
A growing number of proof testing services partners now work with Structure-flex to provide a global network of approved companies offering load testing services.

With over 30 years of manufacturing experience in the design, production and development of a wide range of testing equipment, Structure-flex has achieved an unrivalled reputation for quality and reliability and can provide products for various load test situations ranging from load testing cranes, winches and davits, platform and structure testing as well as lifeboat testing.





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"We are proud to have Structure-flex producing our high standard products for more than 20 Years now. Their material and know how has proven to be reliable from the beginning."
Eddy Schroemges, Director

MAIN PRODUCTS

In addition to the products listed below please don't hesitate to contact us on 01263 863100 see if we can help you with your individual requirements.


Structure-flex Proof Test Bags are manufactured in sizes ranging from 1 tonne to 100 tonnes, as well as a range of low head test bags for use in limited height situations, ranging from 1 tonne to 15 tonnes.
All of our test bags are designed with a safe working load ratio of 6:1 and are manufactured high-strength PVC coated polyester cloth.

  • Safety factor of 6:1
  • Single point attachment for ease of use.
  • Trunk and pulley assembly for safe emptying of bag.
  • All seams are Radio Frequency welded for high strength.
  • Robust, flexible and simple to use.
  • Easily folded for compact storage.
  • Low head versions for limited height testing

Structure-flex lifeboat bags are used to provide a simple accurate way to proof load test lifeboats in situ, used to provide an evenly distributed load and are easy to install and use. These bags can be incorporated in a system employing existing manifolds, pumps and flowmeters. The bags are manufactured from a PVC coated 3x3 weave polyester material. They include an inlet/outlet valve, overpressure relief valve 2 PSI and handling straps.

  • Designed for evenly distributed load testing.
  • Robust, flexible and simple to use.
  • Easily folded for compact storage.
  • All seams are Radio Frequency welded for high strength.
  • Handling straps used for easy positioning and emptying.

Structure-flex can produce bespoke bags for gangway and structure testing these bags can be produced to sizes to suit any situation. The bags are manufactured from a PVC coated 3x3 weave polyester material. They include an inlet/outlet valve, overpressure relief valve 2 PSI and handling straps.

  • Applications include gangway, platform and structure testing.
  • Designed for evenly distributed load testing.
  • Robust, flexible and simple to use.
  • Easily folded for compact storage.
  • All seams are Radio Frequency welded for high strength.
  • Handling straps used for easy positioning and emptying.

Available in sizes from 1,000 litres to 70,000 litres and can be used on gangways platforms and structures. Useful for deployment in limited space due to its self-supporting design and distributes uniform loading over a large surface area. The bags are manufactured from a PVC coated 3x3 weave polyester material.

  • Applications include gangway, platform and structure testing.
  • Designed for evenly distributed load testing.
  • Robust, flexible and simple to use.
  • Easily folded for compact storage.
  • All seams are Radio Frequency welded for high strength.

We can produce bespoke test bags for moon pools in a non-standard cylindrical design that incorporate several circumferential strengthening bands, to ensure that during the actual dynamic winch test, the increased levels of hoop stress being introduced because of the cylindrical design were catered for.


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