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Bag stoppers are inflatable devices used to seal plumbing hoses and prevent leaks. They come in different shapes and sizes depending on the material contained within the tube. They are useful for testing and repairing systems and preventing contaminated water from reaching consumers. Plumbers use a pump to inflate the bag, and they only work temporarily.
A bag stopper is a plumbing device used to quickly and easily seal a plumbing hose to stop leaks. These inflatable bags fit into a relatively small opening in or around the tube and can then be inflated to fill the entire diameter of the tube and stop the flow of liquid, gas or debris. Bag Stoppers prevent plumbers from cutting a pipe during some types of repairs and reduce the time spent searching for leaks and other problem areas. Unlike many other types of plugs, a bag cap shuts off flow almost instantly, which is especially important during a plumbing emergency or gas leak scenario.
Each bag cap must be chosen based on the type of material contained within the tube. Pipes containing gaseous materials or solid debris require a round bag cap design. These solid materials often include leaves or dirt particles that become trapped within the plumbing system. The bag cap prevents these particles from proceeding through the system and causing damage to plumbing or other fixtures until the debris can be removed. Round bag caps also prevent solid ingredients from contaminating finished products if a mistake is made during industrial production.
Due to the high pressure involved in most liquid plumbing applications, it is often more difficult to block the flow of the liquid. Most liquid scenarios require a cylindrical rather than a round bag cap. These cylindrical units extend further along the length of the pipe to better withstand pressure and reduce the risk of leaks.
Very large sewer or drain pipes require heavy-duty plugs sized to fit each pipe. Special bag caps are also available for corrosive materials, high pressure applications and extreme temperatures. Manufacturers use materials such as rubber or vinyl to produce these bags, although composite materials may be required in some applications for better durability and strength.
Plumbers use a built-in pump to inflate the bag once it’s installed inside the pipe. Basic units use rubber or metal tubing to connect a small hand pump to the bag. Very large units may require an air compressor or large scale pump system.
In most situations, bag stoppers only work when used temporarily. They are an effective option for blocking flow in a pipe when testing or repairing systems. These devices also help stop the flow if the water becomes contaminated due to biological or chemical spills or any other cause. The bag cap prevents contaminated water from reaching and making consumers ill before the problem can be resolved.
