Type 1u Temperature Regulators for Cooling Applications

The Type 1u self-regulating temperature controller, crafted for cooling purposes, boasts an unbalanced single seated globe valve equipped with flanged connections. This device encompasses a control thermostat featuring a temperature sensor, a set point adjuster equipped with excess temperature safeguard, a capillary tube, and an actuating element that activates with rising temperatures. As a low-maintenance, proportional controller that operates without the need for auxiliary energy, it presents a broad range of adjustable set points, clearly marked on a scale, rendering it perfectly suited for fluid applications, particularly cooling water and brine.

Key Features

Key features and benefits of Type 1u Temperature Regulators for Cooling Applications

Key Features

The Type 1u temperature controller is designed with a self-regulating mechanism that automatically adjusts the flow to maintain a consistent temperature. This feature ensures optimal performance in cooling applications without the need for external energy sources.

Key Features

Equipped with a control thermostat and a precise temperature sensor, the device allows for accurate temperature monitoring and adjustment. The inclusion of a set point adjuster with excess temperature protection ensures that the system operates within safe temperature ranges, enhancing reliability and safety.

Key Features

The controller is designed for ease of use, featuring a wide and easily adjustable set point range that is clearly displayed on a scale. This user-friendly interface facilitates quick adjustments and monitoring, making it ideal for managing the temperature of liquids, including cooling water and brine, in various applications.

Regulator Standards & Stuff

Nominal Diameters: DN15 to DN50 (1/2" to 2")
Pressure Classes: PN25 (Class 125 to 300)
Materials: Red Brass CC491K/CC499K, Spheroidal graphite iron
Temperature Range: up to 150°C (up to 300°F)
Set Points Range: –40 to +250 °C
Application: Temperature Regulators for Cooling Installations
Versions: Type 1u Temperature Regulators, Type 2121/2231, Type 2121/2232, Type 2121/2233, & Type 2121/2234
Weight Range(kg); 1.0 to 14.0


A Valve Temperature Regulator is a control valve that automatically adjusts the flow of a fluid to maintain a desired temperature. It operates without external power, using a thermal actuator that responds to fluid temperature.

These regulators use a sensing element that expands or contracts with temperature changes. This movement is mechanically linked to a valve that adjusts the flow of the heating or cooling medium to maintain the set temperature.

There are mainly two types: direct-acting, where the sensor is directly connected to the valve, and pilot-operated, which uses a pilot valve to control the main valve. Selection depends on the application's size, temperature range, and precision required.

They are critical for processes that require precise temperature control for safety, efficiency, and product quality. They help in reducing energy consumption and ensuring the longevity of equipment by preventing overheating or undercooling.

Yes, they are versatile and can be designed for either heating or cooling applications. The selection depends on the control action needed to maintain the desired temperature within a system.

Key factors include the control range, the temperature sensitivity required, the medium being controlled (water, oil, gas, etc.), the flow rate, and the operating environment. It's also important to consider the regulator's material compatibility with the fluid.

Installation guidelines vary by model, but generally, it should be mounted in a location where it can accurately sense the temperature without being affected by external conditions. It's important to follow manufacturer recommendations for orientation and to ensure proper piping practices.

Regular maintenance includes checking for leaks, ensuring the actuator moves freely, and verifying the accuracy of the temperature control. Troubleshooting may involve inspecting for clogs, recalibrating the temperature set point, or replacing worn parts.

Symptoms include inability to maintain the set temperature, fluctuating temperatures, leaks, or unusual noises during operation. Such signs indicate the need for inspection and possibly repair or replacement.

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Type 1u Temperature Regulators for Cooling Applications