
Material: Natural rubber
Size: φ50-φ600
Application:It can be used for closed water test of municipal drainage pipeline, leak point search, pipeline maintenance, temporary blocking, maintenance test work.
2.Main parameter
Closed water test rubber bladder (ordinary type, water depth not exceeding 2M)
Model no | length | thickness | Weight |
DN50 | 75mm | 3mm | 0.05KG |
DN75 | 110mm | 3mm | 0.1KG |
DN 100 | 160mm | 3mm | 0.3KG |
DN150 | 250mm | 3mm | 0.54KG |
DN200 | 300mm | 3mm | 0.83KG |
DN250 | 430mm | 3mm | 1.2KG |
DN300 | 450mm | 3mm | 1.85KG |
DN400 | 600mm | 3mm | 2.9KG |
DN500 | 750mm | 3mm | 4.8KG |
DN600 | 900mm | 3mm | 7.2KG |
2. various specifications
4.Detaile pictures:


5. Big Municipal drainage pipeline water blocking airbag

Model No:DN
product grade:first class
shape: round, oval
material:Natural rubber
7.Main parameter
Model no | Corresponding pipe diameter(mm) | Length (mm) | Weight (KG) | inflation pressure (mpa) | material |
DN300 | 300 | 1000 | 3.6 | 0.02 | Natural Rubber, Reinforcing Fiber |
DN400 | 400 | 1000 | 4.8 | 0.02 | Natural Rubber, Reinforcing Fiber |
DN500 | 500 | 1000 | 6.5 | 0.02 | Natural Rubber, Reinforcing Fiber |
DN600 | 600 | 1000 | 8.2 | 0.02 | Natural Rubber, Reinforcing Fiber |
DN700 | 700 | 1050 | 9.8 | 0.02 | Natural Rubber, Reinforcing Fiber |
DN800 | 800 | 1200 | 13.50 | 0.02 | Natural Rubber, Reinforcing Fiber |
DN900 | 900 | 1350 | 17 | 0.02 | Natural Rubber, Reinforcing Fiber |
DN1000 | 1000 | 1500 | 20.8 | 0.015 | Natural Rubber, Reinforcing Fiber |
DN1100 | 1100 | 1650 | 25.2 | 0.015 | Natural Rubber, Reinforcing Fiber |
DN1200 | 1200 | 1800 | 30 | 0.015 | Natural Rubber, Reinforcing Fiber |
DN1350 | 1300 | 2000 | 37.6 | 0.015 | Natural Rubber, Reinforcing Fiber |
DN1400 | 1400 | 2100 | 41 | 0.015 | Natural Rubber, Reinforcing Fiber |
DN1500 | 1500 | 2250 | 47 | 0.01 | Natural Rubber, Reinforcing Fiber |
DN1600 | 1600 | 2400 | 56 | 0.01 | Natural Rubber, Reinforcing Fiber |
DN1800 | 1800 | 2700 | 68 | 0.01 | Natural Rubber, Reinforcing Fiber |







