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The classics.
Vetter pipe sealing bags close drainage channels quickly and safely. A special feature: The user can freely adjust the contact pressure on the pipe wall from 1.5 to 2.5 bar (21.75–36.25 psi). Areas of application include repair, inspection, cleaning and maintenance of sewer pipes. But the bags also efficiently and reliably prevent the backflow of wastewater in the event of pipe bursts or floods. With these versatile applications, professionals in many industries trust pipe sealing bags from Vetter. These include, for example, road construction and civil engineering companies, sewer renovation companies, water associations and the manufacturing industry.
 By the way: Vetter pipe sealing bags are perfect for leak tightness testing according to DIN EN 1610.
Product number: 1492000800
Videos "Pipe sealing plugs"
Product number: 1492000800
Air requirement [l]: 5457 litre / 192.71 cu. ft.
Pipe diameter : 800–2200 mm / 31.5–86.6 Inch
Total length: 3250 mm / 128.0 Inch
Weight: 110 kg / 242.55 lbs
operating pressure: 1.5 bar / 21.75 psi
Diameter : 780 mm / 30.7 Inch
Cylinder length: 3200 mm / 126 Inch

Notes:

RDK 2.5 bar - test counter pressure of 10mWC (14.5 psi), 
 RDK 1.5 bar - test counter pressure of 5 mWC (7.25 psi)