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Stopper
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Stopper is a versatile product designed for multi-usage and applications. Designed to plug either onshore or subsea pipelines, it can be used for ...Lesen Sie mehr

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Stopper is a versatile product designed for multi-usage and applications. Designed to plug either onshore or subsea pipelines, it can be used for isolation systems in pipe repairs, for pipe pressure testing and for pipe inspection. Stoppers can also be designed to provide extra buoyancy during offshore jacket installation and for salvage operations.

Several different stopper ranges are available ; Vari-plug range designed to withstand 1 bar back pressure without bracing and OPV range designed to withstand 3 bar back pressure without bracing.

For higher back pressure values ; OHP1 is designed to withstand up to 8 bar back pressure & OHP2 is designed to withstand over 8 bar without bracing. Above 8 bar back pressure values, please contact us.

Pronal require the client to provide details of the application including pipe sealing diameter, back pressure value, pipe introduction diameter[s], pipe material of construction, condition of the surface at the pipe – stopper interface and fluid in contact to design the appropriate stopper.

Pronal can provide accessories for use with the stoppers such as self inflation systems, by-pass/double by-pass, quick coupling, inflation line and handling wires.

Designed to plug either onshore or subsea pipelines, it can be used for isolation systems in pipe repairs, for pipe pressure testing and for pipe inspection. Stoppers can also be designed to provide extra buoyancy during offshore jacket installation and for salvage operations.
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