Pipe gate GPG-P™ – Pipe mount – 3 M.W.C.


This pipe gate valve is developed to control water flow in one direction by opening and closing the gate. Mounts with an pipe connection.

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The durable Go-Sep™ pipe gate valves have been developed to control the water flow in the sewer system. The water flow is regulated by opening and closing the gate, blocking the water. This gate valve has been developed in such a way that the water, when opened, will not undergo any resistance. Because we work with the right materials, our valves can be used in surface water, sewers, disposal systems with a pump and other aggressive environments where waterflow needs to be controlled.

Our Go-Sep™ knife gate valve series were developed and designed by Engineers in Europe and proudly made in America. Manufacturing takes place in our own factory in New Jersey. In this way we can guarantee you the best quality products and fastest lead times. We work with highly durable high-quality first-class new all black High-Density Polyethylene (HDPE). This material is known for its durability, its resistance to oil, grease and other chemicals and has a lifespan of over 50 years.

“At Go-Sep we work with exceptional quality materials and certified welders to guarantee first-class products”

The knife gate valve blocks the water by using an EPDM sealing rubber. They are equipped with a stainless-steel operation rod, making them very easy to open and close. The operating rod can optionally be extended with an extension rod. They can also be supplied with a longer operating rod on request.  We also supply these valves for wall mounting or with a flange connection.

Our gate valves are very easy to install. When installing, pay attention to the direction of the water flow. The flow direction is indicated at the top with an arrow. These gate valves are suitable for installation in no-pressure and horizontally placed sewer pipes and can be installed both above and below ground. Our gate valves are available for different pipe sizes.

For gate valves that work in both directions or need an higher pressure rating, use one of our GSG models.

Apply our manual or product sheet for more information!

Weight N/A
Dimensions N/A

4, 5, 6, 8, 10, 12



For the production of our flap gate non-return valves, we work with all black High Density Polyethylene. This material is a unique thermoplastic distinguished by its strength. HDPE is extremely durable with multiple applications and has a lifespan of over 50 years. The ease with which these materials can be recycled by the individual consumer not only protects the environment, but also increase their desirability. This is one of the reasons why the use of this material has increased enormously in the reason years.

HDPE is harder and more rigid than low-density polyethylene and increases a higher tensile strength. It is three times better in compressive strength tests and it is stronger and more opaque than standard forms of polyethylene. It can act as a barrier against moisture and remains solid at room temperature alongside displaying UV resistant attributes that block out harmful rays from the sun.

Additionally, it proves environmentally friendly during its production and used by consumer without leakage of toxic chemicals. Its thermoplastic characteristic makes HDPE easily recyclable as it can be melted down into liquid form and it is much more commonly recycled than its other polyethylene counterpart, LDPE. The advantages of HDPE sheets are:

  • Excellent durability in both hot and cold temperatures
  • Impervious to chemicals
  • Flexible scores with exceptionally long lives
  • Stability in outdoor applications
  • FDA approved
  • Environmentally friendly in production
  • Recyclable for use in secondary applications or producing high-energy fuels
  • CPSIA compliant

Operation rod

This gate valve is provided with an operation rod. This part is produced from stainless steel to prevent it from rusting.

Sealing rubber

The gate valves are provided with an EPDM sealing rubber that makes sure no water can escape the valves. EPDM is a type of high-density synthetic rubber which is extraordinarily durable. It is able to withstand high temperatures up to 266°F and because of that it is used as a component within a wide variety of industries. EPDM is also popular as an outdoor rubber as it’s resistant to weathering including acid and alkali resistance. As such, you’ll typically find it being used for things such as window and door seals or waterproofing sheets. EPDM also has exceptional abrasion and tear resistance.


  • Minimum maintenance
  • Produced from the Highest-Quality HDPE
  • Stainless steel rod
  • Durable EPDM sealing rubber
  • Thick material
  • Welded by certified welders
  • Fast delivery


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