Flowstopping Bags

ALH Systems offers a full range of low and medium pressure Flowstopping Bags from 2 inch (50mm) to 60 inch (1500mm). Both for gas free working and open hole applications.

Working to GIS/E4 , GIS/E19 and GIS/E20 specifications. Special bags also manufactured to customer requirements

Also see website: www.flowstop.co.uk

Flowstopping Bags

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ALH Systems offers a full range of low and medium pressure Flowstopping Bags from 2 inch (50mm) to 60 inch (1500mm). Both for gas free working and open hole applications.

Working to GIS/E4 , GIS/E19 and GIS/E20 specifications. Special bags also manufactured to customer requirements

Also see website: www.flowstop.co.uk

  • Low Pressure GIS/E4 bags
    Full range of bags 3”-12” conforming the GIS/E4 specification. Outer cover is a strong 4oz nylon, flexible back bone, connector available with UNF, BSP or NPT thread.
  • Iris Stop Primary Bag GIS/E19
    GIS/E19 bags have been special designed for working in conjunction with the ALH IRIS stop equipment and the primary bag and have been successfully been used for over 30 years.
  • GIS/E20 Bags - Iris Stop Secondary Bag
    GIS/E20 bags have been special designed for working in conjunction with the ALH IRIS stop equipment as the secondary or safety bag.

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