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Below 7 bar

We can provide flowstopping services for either planned or emergency operations, covering a wide range of pressures, materials and diameters.  We can also advise on the most suitable technique for the customers’ requirements. 

PMC’s Below 7bar Flowstopping capability includes the following;

- Low Pressure bagging off on both metallic and PE mains, typically up to 75mbar, 630mm diameter PE and 36” metallic.
- Medium Pressure flowstopping using the Shortstop 60 on metallic mains.
- MDPE Squeeze off operations up to 500mm PE for both Low Pressure and Medium Pressure.
- PE100 Squeeze off operations on Durapipe and Profuse.
- HDPE (7bar) squeeze off operations 180mm to 315mm.
- Metallic flowstopping up to 7bar and 48”diameter, using ShortStopp II,  TDW 1220, Ipsco Large diameter folding stopple.
- PE Stopple for medium pressure, 250mm – 355mm diameter. 

Some of our innovative flow stopping techniques offer additional benefits to the customer such as; reduced excavation sizes, thus reducing the amount of excavated and waste material, reduced amount of backfill required, smaller excavation foot print which minimises the effect on any working space restrictions such as street works and safer working conditions for operatives working in shallower excavations.



Preferred Services Display: 


  • 3D Laser Scanner

    Save time, money and increase your data accuracy with the 3D laser scanner for pipeline inspections.  

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  • Bag off

    PMC conducts bag off flowstopping activities

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  • Below 7 bar flowstop

    We can provide flow stopping services for

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  • Bolting and Flanging

    We can offer a broad range of 

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  • Bond and Bolt

    Reduce excavation costs with this new flow stopping technique.  

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  • Visual asset surveys

    PMC has the capability to undertake visual

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  • Vacuum saddles

    Working in partnership with GPS, we now offer

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  • Large diameter main lay

    PMC are accredited under EUSR to lay short

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  • Live camera survey

    PMC conduct live camera surveys.  

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  • PE Drilling/Branch Saddles

    We can provide a range of services for

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  • Pressure testing (below 7 bar)

    PMC offer pneumatic and hydrostatic pressure

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  • Stopple Operations

    PMC conduct a complete flowstopping service for planned and emergency operations.

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  • Squeeze Off

    We offer the squeeze off services up to 7 bar

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  • Under Pressure Drilling

    PMC have a full range of drilling machines. 

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