3-Way Control Valve for Mixing or Diverting
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3-Way Control Valve for Mixing or Diverting Regulation
Cematic's 3-way control valve is the ideal solution for precisely regulating fluid flow in mixing or diverting systems. Its configuration also allows for combining or splitting process streams, optimizing thermal and flow control in industrial applications.
Furthermore, its manufacturing in carbon steel or stainless steel with PTFE or graphite seats guarantees excellent sealing, durability, and ease of maintenance.
Thanks to its linear and exact flow modulation, the 3-way control valve is essential for maintaining rigorous temperature or flow setpoints. Therefore, it is suitable for processes that demand precision and reliability in continuous regulation. In particular, it stands out in applications where temperature or flow variations must be kept within strict ranges.
Key Benefits
- Linear and exact flow modulation for rigorous temperature or flow control
- Precise mixing or diverting control between process lines
- High-quality materials in stainless steel, carbon steel, or cast iron for greater durability and corrosion resistance
3-way control valve design options
Body:
- Configuration: Three-way, cast steel
- Nominal size: From 3/4" up to 14"
- Materials: A216 WCB, A216 WC6, A352 LCB, A351 CF8, A351 CF8M, A351 CF3M, A351 CF3
- Packing: "V" shape PTFE, PTFE and flexible graphite
- Gasket: Stainless steel (304, 316, 316L), copper and aluminum
- Pressure class: 150, 300 and 600LB
- Flanged connection: FF, RF, RJ, LG (ANSI B16.5)
- Temperature range: -196 to 450°C
Trim:
- Plug: Three-way, "V" type
- Material: Stainless Steel (304, 316)
- Actuator: Pneumatic diaphragm type, single-acting.
- Diaphragm Material: Fabric-reinforced nylon and ethylene-propylene rubber (EPDM)
- Spring Range: 80 to 240 kPa (0.8 to 2.4 kgf/cm²)
- Air Pressure: 0.14, 0.25, 0.28, 0.4, 0.5 MPa
- Air Connection: 1/4” NPT internal thread
- Ambient Temperature: -30 to 70 °C
Performance:
- Hysteresis error with positioner: Within 1 % F.S.
- Linearity with positioner: Within ±1 % F.S.
Main applications
The 3-way control valve operates with two inlets and one outlet, or one inlet and two outlets, making it suitable for a wide variety of industrial processes. Below are its main applications.
HVAC (Heating, Ventilation, and Air Conditioning): Mixes hot and cold water for precise temperature control. It also manages distribution or recirculation in thermal systems, contributing to energy savings and comfort in industrial and commercial facilities.
Chemical and Petrochemical Processes: Mixes or diverts fluids between process lines with precision. It also controls flow in dosing systems and reactors. For this reason, it is one of the most used valves in the chemical industry.
Thermal Systems and Heat Exchangers: Regulates temperature by mixing hot and cold fluids. Thanks to its linear modulation, it maintains stable conditions in cooling or heating circuits. That is, it guarantees the thermal efficiency of the process at all times.
Auxiliary Hydraulic and Pneumatic Systems: Distributes or switches flows between lines and allows selection between pumps or backup circuits. Consequently, it improves the operational flexibility of the system. It also facilitates redundancy in critical installations.
Steam Generation and Distribution: Diverts or mixes steam and condensate for thermal control in industrial systems. Therefore, it is a key component in power plants. In short, its versatility makes it a reliable solution for processes that use steam as a heat transfer medium.