Sullair Temperature Control Valve 02250105-553 for Screw Air Compressors

Product Specification

Product Introduction: Precision Temperature Control Valves

Subtitle: Automatically Regulate Process Temperature for Optimal Efficiency and Product Quality.

![Image of a well-engineered temperature control valve with a thermal actuator]

1. Overview & Core Function

A Temperature Control Valve (TCV), also known as a Thermostatic Mixing Valve (TMV) in certain applications, is an automatic valve that modulates the flow of heating or cooling media (typically steam, water, or thermal oil) to maintain a consistent output temperature of a process fluid. It responds to changes in the sensed temperature by adjusting the mixing ratio of hot and cold streams or the flow rate of a single stream, ensuring precise thermal management without manual intervention.

2. Key Features & Benefits

• Precise Temperature Regulation: Maintains tight temperature control (±1°F/±0.5°C is common), which is critical for process consistency, product quality, and reaction stability in sensitive applications.

• Full Automation & Self-Operation: Many models use a self-contained thermal actuator filled with a wax or liquid element that expands/contracts with temperature changes to directly adjust the valve, requiring no external power. Others use pneumatic or electric actuators for integration into complex control loops.

• Energy Efficiency: Precisely meters the exact amount of heating or cooling media needed, eliminating waste and significantly reducing energy consumption compared to manual control or on/off systems.

• Process Safety & Protection: Prevents overheating or undercooling that could damage sensitive equipment, spoil product, or create safety hazards. Many include fail-safe features (e.g., fail-close on loss of power).

• Robust Construction for Demanding Services: Built from materials like stainless steel, brass, and cast iron with trim options (e.g., PTFE, EPDM seals) to handle high pressures, temperatures, and corrosive/crosive fluids.

• Flexible Configuration: Available in 2-way (modulate flow of a single stream) or 3-way (mix or divert two streams) designs to suit different system architectures (mixing vs. diverting applications).

• Hygienic & Sanitary Options: Available with polished finishes, CIP/SIP capabilities, and 3A certification for food, beverage, pharmaceutical, and bioprocessing applications.

3. How It Works: The Control Loop

1. Sensing: A temperature sensor (internal to the actuator or an external capillary bulb and bulb) continuously monitors the temperature of the process fluid.

2. Comparison: The sensed temperature is compared to the desired set point, which is manually adjusted on the actuator or received from a controller.

3. Actuation:

   • Self-Actuated: The thermal material inside the actuator expands or contracts, mechanically moving the valve stem to open or close the port.

   • Pneumatic/Electric: A transmitter sends a signal to a controller (PLC), which then commands a pneumatic or electric actuator to adjust the valve position.

4. Modulation: The valve modulates, changing the flow rate of the heating/cooling media to correct the temperature deviation and bring the process back to set point.

4. Target Applications

TCVs are essential in any industry where precise temperature is critical:

• HVAC Systems: Controlling water temperature for building heating, cooling, and domestic hot water systems to ensure comfort and prevent scalding.

• Process Industries: Regulating reactor temperatures, maintaining batch consistency, and controlling heat exchanger output in chemical, pharmaceutical, and food processing plants.

• Plastics & Rubber: Precise mold temperature control in injection molding and extrusion processes.

• Energy & Power Plants: Jacket water cooling, lube oil cooling, and fuel temperature regulation.

• Metal Finishing & Plating: Maintaining bath temperatures for consistent quality.

• Brewing & Distilling: Precise control during mashing, fermentation, and distillation stages.

• Pasteurization Units: Ensuring exact temperatures are met for safety and compliance.

5. Why Choose Our Temperature Control Valves?

• Application-Specific Engineering: We help you select the right valve type, size, actuator, and material for your specific temperature range, pressure, flow rate, and fluid properties.

• Proven Accuracy & Reliability: Engineered for stable control and long service life, reducing process variability and maintenance needs.

• Hysteresis & Response Tuning: Our valves are designed with minimal hysteresis (lag) and tuned for optimal response to process upsets.

• Comprehensive Support: From system design and selection to installation support and spare parts, we provide end-to-end expertise.

• Energy Savings Focus: By providing precise control, our valves directly contribute to lower utility bills and a reduced carbon footprint, offering a rapid return on investment.

Conclusion:

Temperature is one of the most critical process variables. Manual control is inefficient and imprecise. A Precision Temperature Control Valve automates this task, ensuring optimal product quality, protecting capital equipment, and delivering significant energy savings.

Take control of your process temperature.

Contact our thermal engineering experts today to specify the ideal valve for your application and start achieving consistent, reliable results.