forede ® Check Valve Brife Introduction
forede ® check valve also known as a non-return valve, reflux valve, or one-way valve is an important safety feature in buildings and facilities where fire safety is a top priority. forede ® check valves work by preventing the flow of fire, smoke, and heat from one area of a building to another, helping to slow or stop the spread of flames and giving people time to evacuate the area.
Typically, forede ® check valve is installed in areas where fire-resistant walls or floors have been built. forede ® check valve can be found in fire doors, HVAC systems, ductwork, and other areas that are designed to contain fire. They work by automatically closing off air flow or shutting down mechanical systems when smoke, heat, or flames are detected.
forede ® check valve is essential for protecting people's safety and property in the event of a fire. With forede ® check valves in place, building occupants can feel confident that they are protected from the effects of fire and that they have additional time to exit the building.
Types of Check Valve
forede® offers various types of check valves to meet the market needs of municipal, commercial, residential and other fields.In addition, we have various sizes for customers to choose the most suitable.Below is forede's types of check valve.
Flange End Swing Check Valve
Flange End Ball Type Check Valve
Flange End Rubber Flapper Check Valve
Flange End Silence Check Valve
Flange End Swing Check Valve
forede® Fire Flange End Swing Check Valve is a specialized type of valve designed specifically for use in firefighting and other high-pressure, high-temperature applications. This valve utilizes a flapper or disc that pivots on an axis to block fluid flow in the reverse direction, ensuring that water or other firefighting media flows only in the intended direction. The Flange End Swing Check Valve is available in sizes from DN50 to DN300，and the check valve is made of ductile iron, which has high strength, toughness and corrosion resistance, as well as easy processing and castability.
| Check Valve Type | Material | Size | Connection | Working Pressure |
| Swing Check Valve | Ductile Iron | DN50-DN300 | Flange End | 1.0/1.6Mpa |
Flange End Ball Type Check Valve
forede® flange end ball type check valve uses a rubber-covered rolling ball as the valve disc. Under the action of the medium, it can roll up and down on the integral slideway of the valve body to open or close the valve, with good sealing performance, noise reduction type Closed, no water hammer occurs. The valve body adopts the water inlet flow channel, and the flow rate is large. The resistance is small, the faucet loss is 50 % smaller than the swing type, and it can be installed horizontally or vertically.The Flange End ball type Check Valve is available in sizes from DN50 to DN300，and the check valve is made of ductile iron, which has high strength, toughness and corrosion resistance, as well as easy processing and castability.
| Check Valve Type | Material | Size | Connection | Working Pressure |
| Ball Type Check Valve | Ductile Iron | DN50-DN300 | Flange End | 1.0/1.6Mpa |
Flange End Rubber Flapper Check Valve
forede® rubber flapper check valve is mainly suitable for the water supply and drainage system installed horizontally. It can be installed at the water outlet of the pump to prevent backflow and water hammer from damaging the pump, and it can also be installed on the bypass pipe of the water inlet and outlet pipes of the reservoir to prevent the damage to the pump. Pool water flows back into the water supply system.The Flange End Rubber Flapper Check Valve is available in sizes from DN50 to DN300，and the check valve is made of ductile iron, which has high strength, toughness and corrosion resistance, as well as easy processing and castability.
| Check Valve Type | Material | Size | Connection | Working Pressure |
| Rubber Flapper Check Valve | Ductile Iron | DN50-DN300 | Flange End | 1.0/1.6Mpa |
Flange End Silence Check Valve
forede® Flange End Silence Check Valve is a specialized valve designed for use in firefighting systems, combining the functionality of a check valve with noise reduction capabilities. This valve prevents backflow of fluid while minimizing the noise generated during operation, making it ideal for use in sensitive environments where excessive noise could be a concern.The Flange End Silence Check Valve is available in sizes from DN50 to DN300，and the check valve is made of ductile iron, which has high strength, toughness and corrosion resistance, as well as easy processing and castability.
| Check Valve Type | Material | Size | Connection | Working Pressure |
| Silence Check Valve | Ductile Iron | DN50-DN300 | Flange End | 1.0/1.6Mpa |
forede ® Check Valve Advantages
Preventing Backflow
forede ® Fire check valves are designed to prevent backflow, which is the reversal of the flow of water or other fire suppressant agents in a fire protection system. Backflow can cause contamination of the water supply and reduce the effectiveness of fire protection systems. Fire check valves stop backflow by automatically closing when there is a sudden drop in pressure.
Saving Lives and Property
The use of forede ® check valves in fire protection systems is critical in saving lives and property. Fire check valves help to confine fire to a specific area by closing off the flow of flammable liquids or gases. This helps to prevent the spread of fire and limit the damage caused by the fire. In addition, the use of fire check valves reduces the need for human intervention in emergency situations.
Durability
forede ® check valves are made of durable and corrosion-resistant ductile iron premium material. They are designed to withstand extreme temperature and pressure changes, ensuring long-lasting performance.
Versatility
forede ® check valves are made of durable and corrosion-resistant ductile iron premium material. They are designed to withstand extreme temperature and pressure changes, ensuring long-lasting performance.
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Check Valve Application
Check Valve For Fire Protection System
Fire check valves play an essential role in ensuring the safety of buildings and the people who occupy them. They are an important component of fire protection systems and are designed to prevent the backflow of water in the event of a fire.
During a fire, water is pumped into the building through fire sprinkler systems and other fire protection equipment. Without proper backflow prevention, however, this water can flow back through the pipes and contaminate the water supply, potentially causing damage to the building and endangering those inside.
Fire check valves prevent this by automatically closing when the water pressure in the pipes drops, preventing any backflow from occurring. They are typically installed at the base of the riser, which is the vertical section of the pipe that feeds the water to the fire sprinklers and other equipment.
check valve for residential and commercial plumbing systems
As we all know, a plumbing system is an integral part of any building, be it residential or commercial. And when it comes to the safety of such plumbing systems, fire check valves play a vital role. These valves are designed to control and prevent the spread of fire in a building through the plumbing system.
A fire check valve is a type of valve that allows water to flow in only one direction. The valve opens in the event of water flowing in the direction of its arrow, but it closes automatically when backflow or siphoning occurs. This ensures that contaminated water or other substances do not contaminate the potable water supply.
In case of a fire outbreak, fire check valves play a critical role in preventing the spread of fire through the plumbing system. This is because the valves are designed to automatically close when they detect an increase in temperature caused by heat from the fire. The closure of the valve prevents the spread of water through the system, thereby preventing the spread of the fire.
Check valve For industrial applications
A fire check valve is an essential component in industrial applications where safety is of utmost importance. This valve ensures that fire does not spread through a piping system in case of an outbreak. It helps to control the flow of water and extinguish the fire, thereby minimizing the damage caused.
The fire check valve is specifically designed to prevent backflow, ensuring that the water supply is always flowing in one direction. This ensures that the water supply is not contaminated and remains potent enough to extinguish the fire.
In industrial applications, fire check valves are installed in fire protection systems, and they are often required by law. They play a crucial role in protecting human lives and property in case of a fire outbreak.
We're well-known as one of the leading check valve manufacturers and suppliers in China for our quality products and good service. Please feel free to wholesale check valve at competitive price from our factory. Contact us for more details.
Ductile Iron Ball Check Valve, Ductile Iron Flanged Silent Check Valve, Flange End Dry Alarm Valve-
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