These particular low pressure gas main bags are made by Flowstop Ltd and have been specifically designed to isolate gas distribution mains. As a result, this range of bags is suitable for use in steel, cast iron, ductile iron, PVC and PE (polyethylene) pipes. Most importantly, fully approved and certificated to Gas Industry Standards GIS/E4:2013.
- Available in sizes from 3″ (75mm) to 12″ (300mm)
- Double block and bleed design
- 4:1 bag pressure safety ratio
- Supplied individually
- Meets requirements of Gas Industry Standards GIS/E4:2013
- Made in the UK
To see our entire consumable range, click here.