43-2 Type Compact Temperature Regulators

The Type 43-2 autonomous temperature control valve, engineered for use in district heating networks, thermal power units, and manufacturing facilities, incorporates a balanced globe valve offering flanged, threaded, and weld-end connections. This device functions based on the adsorption principle, equipped with a regulating thermostat, capillary tube, and temperature probe, capable of adapting to temperatures up to 50K beyond the predetermined level and accommodating pressures as high as 580 psi. Its design prioritises low upkeep, eliminating the need for external energy sources, thus rendering it perfectly suited for handling liquids, gases, and immediate water heating systems.

Key Features

Key features and benefits of 43-2 Type Compact Temperature Regulators

Key Features

The Type 43-2 features a balanced globe valve that supports various types of connections including flanged, threaded, and weld-end, enhancing its compatibility with different piping systems in district heating networks, thermal power units, and manufacturing facilities.

Key Features

Utilising the adsorption principle, it comes equipped with a control thermostat, capillary tube, and temperature sensor. This allows for precise temperature adjustments up to 50K above the setpoint, making it highly effective in environments requiring strict temperature control.

Key Features

Designed to operate without auxiliary energy, the Type 43-2 offers an energy-efficient solution for temperature control. Its low-maintenance design ensures reliable operation and is suitable for a wide range of applications, including liquids, gases, and instant water heaters, with the capability to withstand pressures up to 580 psi.

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: Regulators for District Heating Systems, Heat Generators, Heat Exchangers and More
Versions: 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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43-2 Type Compact Temperature Regulators