• Flowstop GIS/E4 Self Centering Stopper


Self‐Centring Stopper tested and approved to GIS/E4 specification.

ALH GIS/E4 bag stoppers are for use with the low pressure range of flow stopping equipment of the supported bag type for use on cast iron, ductile iron, steel and polyethylene(PE) pipes of a size up to and including 300 mm (12 in) nominal inside diameter, carrying natural or manufactured gas. These bags are made from high strength nylon with good wear resistance with a latex bladder inner a semi rigid curved spine that provides support and rigidity. Connection is made with a brass ½” threaded connector with O ring seal.

Flowstop GIS/E4 Self Centering Stopper

  • Product Code: lc00116