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Cherne·Cherne pipe stoppers
Cherne Big Mouth pipe stoppers
Pipe stopper with extra-large bypass – keeps the flow going during bypass pumping, repair and leak testing in gravity sewers.
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About the product
Big Mouth is a pneumatic pipe stopper with an extra-large bypass, designed for bypass pumping and gravity flow diversion in gravity sewers. The bypass allows flow to continue through the stopper whilst work, repair or leak testing is carried out. The stoppers are available in single sizes and as multi-size versions with a wider range. The stopper is made of natural rubber with good sealing and expansion properties, kevlar-reinforced in larger sizes, and the bypass has an external pipe thread or a straight hose connection. Inflation is via a tyre valve, which can be replaced with a quick coupling. Working temperature -18 to +52 °C.
Benefits
- Extra-large bypass for bypass pumping with continued flow
- Supplied with a tyre valve for air filling
- Removable tyre valve, easily replaced with a quick coupling
- Pull loop for safe lowering and retrieval
- Kevlar-reinforced in larger sizes
- Lightweight aluminium bypass
Variants(16)
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Material specification
| Component | Material |
|---|---|
| Body (stopper body) | Natural rubber |
| Reinforcement | Kevlar |
| Bypass | Aluminium |
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