Dong Jae Corp

The Wastop backflow valve is an excellent way to protect your home

The Wastop backflow valve is an excellent way to protect your home from flooding and sewage odor. It is easy to install and can be inserted into almost any existing pipe. Its versatility allows it to be installed in chambers, horizontally, or using flanges. In addition to its ease of installation, the Wastop is extremely affordable.

Stainless steel

The Wastop backflow valve is a versatile device that can be used in a variety of applications, including sewer, storm water, and combined sewers. It is made of a specially formulated elastomer that has a high chemical resistance and shape retention. It always opens when you need it to and closes immediately to prevent backflow.

It features a patented construction that helps to prevent backflow from drains, providing flood protection and preventing the spread of sewage odor. The Wastop is easy to install and can be inserted into any type of pipe. It is available in standard sizes, suitable for pressures up to 8MwC, or custom-sized for a specific application.


A PVC Wastop backflow valve can be installed in a variety of plumbing systems. Its memory membrane allows it to open and close automatically according to the flow of water. The membrane is composed of specially formulated elastomer that allows it to retain its shape and chemical resistance. This means the valve will always open when it is required to do so and close again immediately to prevent backflow.

The patented construction of the Wastop (r) valve prevents backflow in drains. This protects against floods and odours in water systems. It also prevents small animals and insects from entering the pipeline. Additionally, it prevents gases and flotsam from escaping the pipe.


The Wastop backflow valve is one of the most innovative backflow prevention products available today. Its unique patented construction prevents the backflow of water and protects against odours and floods. Plus, it doesn’t require electricity or constant maintenance. It is a convenient and affordable solution for backflow prevention.

The Wastop backflow valve consists of a specially designed elastomer sleeve that’s inserted into a pvc or stainless steel pipe. The sleeve is made from a special blend of elastomers that my blog has exceptional chemical and shape retention properties. It has a high degree of mechanical strength and can withstand several meters of pressure in the opposite direction. This enables the valve to always open when needed, while sealing instantly to prevent backflow.

Access chamber

A Wastop backflow valve is a patented device that prevents backflow in drains. It also provides flood protection and prevents smells from spreading from sewage. These backflow prevention devices are easy to install, and can be inserted into most existing pipes. They can be mounted horizontally or vertically. And because of their unique design, they can be installed on a variety of pipes.

WaBack Access chambers feature a lightweight gate with a double-hinged seal, making it easy to install and remove. They also feature an improved gasket system that is more durable and easy to insert. It also features a locking bolt for extra safety.

Fully automated

Fully automated wastop backflow valve is available in several configurations and can be installed in a variety of ways. It is an excellent choice for applications that require backflow prevention. It is highly reliable and prevents flooding and sewage odor from spreading through a pipe. In addition, it is easy to install and requires no human intervention.

Backflow in storm and sewer networks can cause extensive damage to infrastructure, particularly in coastal areas. It can also pose a health risk, which is why it is vital to prevent it. The WaStop backflow valve provides continuous protection from backflow and keeps the valve completely sealed, even at low backflow pressure.