Stoppers for inspection well testingStoppers for inspection well testing

OTR - Stoppers for inspection well testing

The OTR stoppers for inspection well testing are used to test the tightness of inspection wells that are found in waste-water systems. Inflatable OTR stoppers are particularly easy to install thanks to their lightweight and flexibility.

The stopper bladders are only 200 mm high, whatever the pipe’s diameter. This means that they can be used in a variety of narrow spaces.

And what is more, stoppers for inspection well testing are equipped with by-pass tubes. These are designed for the pressurization that is typically applied during inspection well testing.

Advantages

Reliability

  • Total tightness
  • Extremely durable

Safety

  • Safety
  • Highly wear-resistant

Installation

  • Rapid installation

Detailed information

  • Material: double layered 200 mm NPVC fabric on a polyester backing
  • Technique: hot vulcanization in a vacuum autoclave
  • Max. height. :200 mm
  • Inflation: by air
  • Temperature resistance: -25 to +85°C (please contact us for any use outside this temperature range)
  • Inflation pressure: max. 1 bar
  • Back-pressure: 0.1 bar
  • Supplied accessories:
    • 1 x ¾’’ G quick connector for inflating the stopper
    • 1 x ¼’’ G CEJN coupler for checking the pressure
    • 1 x DN 20 Camlock adapter for pressurizing the pipe
    • 4 hoisting rings.

Technical informations

OTR 250 (on metal collar)2432504530.1
OTR 300280300+/-102003.510.1
OTR 600580600+/-10200510.1
OTR 650630650+/-10200710.1
OTR 600/650580610/650400810.1
OTR 800780800+/-10200610.1
OTR 10009801000+/-10200710.1

You can not find your dimensions

Our design department employs the best project leaders and designers and will be pleased to develop and create a tailor-made product specially for your unique project.

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Composition / Advice

Storage advice
Deflate the stopper after each use - Store away from a source of light - Store at room temperature with a relative humidity between 40 to 70% - Ensure that the product is protected from potentially aggressive environments (corrosive products and vapours, solvents, salt water, rodents ...).
Maintenance tips
Carefully check all the external surfaces to ensure that there are no obvious deformations (folds, bulges, or cuts). - Clean the product (using slightly soapy water but not a detergent), rinse and dry completely.
Pre-installation tips
Connect the hoses to the supply unit. Deflate the stopper.
Care during use
Never use the stopper on surfaces that are too abrasive or have cutting edges. Do not inflate the stopper when it is outside the inspection well. Ensure compliance with the diameter ranges and inflation pressures that are displayed on the shutter, not forgetting the back-pressure.

Standards / regulations

Guaranty
1 year against all manufacturing defects

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Fact Sheets / Business Guides
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Accessories

Inflation hose
Venturi
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