Insulated Check Valve

An insulated check valve is a specialized type of valve designed to control the flow of fluids within a pipeline while also providing thermal insulation. This valve incorporates features that prevent backflow of the fluid and reduce heat transfer between the fluid and its surroundings.

Data sheet PDF


Data Sheet

– 1/2″~12″ (DN15~DN300)
– W.P.:PN16/40
– W.T.:425°C
– Design: GB /T 12236
– Flange dlimension: JB / T 79.1
– Face to face: GB/T 12236
– Inspection & testing: GB / T 13927, JB/T 9092

Key features of an insulated check valve:

  1. Check Valve Functionality: The primary function of a check valve is to allow fluid to flow in one direction while preventing reverse flow. This helps maintain the desired flow direction and prevents unwanted backflow.
  2. Thermal Insulation: An insulated check valve includes materials or design features that minimize heat exchange between the fluid passing through the valve and the external environment. This insulation helps maintain the temperature of the fluid as it moves through the pipeline.
  3. Multi-layer Construction: Insulated check valves often have multiple layers of insulating materials or coatings to provide an effective barrier against heat transfer. These layers can include materials like thermal barriers, reflective foils, or specialized coatings.
  4. Applications: Insulated check valves are commonly used in systems where temperature control and efficiency are critical, such as in industrial processes, HVAC (Heating, Ventilation, and Air Conditioning) systems, and fluid transportation applications.
  5. Materials: These valves are typically constructed from materials that offer good thermal resistance, such as certain polymers, ceramics, or metal alloys.

Benefits of insulated check valves:

  1. Temperature Control: By minimizing heat exchange with the surroundings, insulated check valves help maintain the temperature of the fluid being transported, preventing unnecessary heat loss or gain.
  2. Energy Efficiency: Insulation reduces the need for additional heating or cooling to maintain the desired fluid temperature, contributing to energy savings.
  3. Process Efficiency: In industrial applications, maintaining consistent fluid temperatures can improve process efficiency and product quality.
  4. Prevent Backflow: The check valve function ensures that fluid only flows in the desired direction, preventing backflow that could disrupt processes or damage equipment.
  5. Versatility: Insulated check valves can be used in a wide range of industries and applications where thermal insulation and flow control are essential.

Overall, insulated check valves offer both flow control and thermal management benefits, making them valuable components in systems where temperature control and efficient fluid transport are paramount.


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