Hand gate – GHG-P™

This hand 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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Hand gates

Hand gates are commonly used in water flow, sewage and wastewater systems. They are designed to regulate or shut off flows and are available for single or both sided pressure.

Hand gates are used for stormwater and wastewater in pipe systems, chambers and basins. Hand gates are typically used in applications where there is a risk of flooding or backup, such as in storm-water management systems, treatment plants, ports, rivers and coastal areas.


Our products are mainly manufactured from HDPE. This is a type of plastic that is durable and resistant to chemical and environmental factors, making it an ideal material for the construction of water management products.
The main benefit of HDPE is that it is lightweight and easy to install.

HDPE is also also resistant to corrosion, erosion, and UV radiation. Making it a durable and long-lasting solution for sewage and wastewater systems. Additionally, our products can be customized to fit specific pipe diameters and flow rates, making them a versatile solution for a range of applications.

Go-Sep™ products were developed and designed by Engineers in Europe and proudly made in America. In this way we can guarantee you the best quality/price and shortest lead times.


– Various pressure ratings
– Customization
– Various mounting options
– Various steel grades


– Design life of 50+ years
– Maintenance free
– Light weight (easy to install)
– High UV-protection
– Customization possible
– Corrosion free


⌀ 04", ⌀ 06", ⌀ 08", ⌀ 10", ⌀ 12", ⌀ 16"



For the production of our 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 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

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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