43-1 Type Compact Temperature Regulators

The Type 43-1 self-acting temperature controller, engineered for use in district heating networks, heat generation units, and industrial facilities, boasts a balanced globe valve with threaded connections. It includes a control thermostat equipped with an adjustment ring, a capillary tube, and a temperature sensor based on the adsorption method, which closes the valve in response to rising temperatures. This energy-independent, low-maintenance controller features a temperature sensor capable of enduring elevated ambient temperatures, making it ideal for handling both liquids and gases, with an operational capacity of up to 580 psi.

Key Features

Key features and benefits of 43-1 Type Compact Temperature Regulators

Key Features

The Type 43-1 temperature controller is equipped with a balanced globe valve, featuring threaded ends for secure and straightforward installation. This design ensures reliable operation and easy integration into district heating systems, heat generators, and industrial plants.

Key Features

It incorporates a sophisticated temperature sensing mechanism, which utilises the adsorption principle. This includes a control thermostat with an adjustment ring, a capillary tube, and a temperature sensor that automatically closes the valve as temperatures rise, providing precise temperature control.

Key Features

Designed for energy independence and minimal upkeep, the temperature controller is built to withstand high ambient temperatures. Its temperature sensor is exceptionally durable, making the device suitable for both liquids and gases. It operates effectively up to 580 psi, ensuring reliable performance under various conditions.

Regulator Standards & Stuff

Nominal Diameters: DN15 to DN50 (1/2" to 1")
Pressure Classes: PN25 (Class 250)
Materials: Red Brass CC491K/CC499K, Stainless Steel
Temperature Range: up to 150°C (up to 300°F)
Set Points Range: 0 to 150 °C
Application: District Heating Systems, Heat Generators, Heat Exchangers and More
Versions: Type 43-1 & 43-2
Weight Range(kg); 1.4 to 1.6


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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43-1 Type Compact Temperature Regulators