These particular WASK gas main bags are made by Sarco® Stopper and have been specifically designed to isolate gas distribution mains. As a result, Resistra® 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)
- Tested to 350mBar
- Double block and bleed design
- 4:1 bag pressure safety ratio
- Supplied individually
- Kitemark® accredited
- Meets requirements of Gas Industry Standards GIS/E4:2013
- Made in the UK
Disclaimer: Kitemark® is a registered trademark of BSI Assurance UK Limited. Resistra® and Sarco® are a registered trademarks of Air Bag Stopper Holdings Limited.
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