43-7 Type Temperature Regulators (Heating)

The Type 43-7 self-regulating temperature controller, engineered for comprehensive industrial uses, presents a balanced globe valve tailored for heating applications. This controller, equipped with both flanged and threaded fittings, integrates a thermostat complete with an adjustment ring, a capillary tube, and a sensor based on the adsorption method, which shuts the valve in response to rising temperatures. It stands as a low-upkeep, proportional controller, apt for managing liquids, gases, and steam, accommodating pressures as high as 580 psig and temperatures up to 120°F beyond the predetermined level.

Key Features

Key features and benefits of 43-7 Type Temperature Regulators (Heating)

Key Features

The Type 43-7 is equipped with both flanged and threaded fittings, offering flexibility for diverse installation requirements in general industrial settings.

Key Features

Incorporates an adsorption-based sensor, complete with an adjustment ring and capillary tube, which precisely regulates temperature by closing the valve as temperatures increase, ensuring optimal operation of heating systems.

Key Features

Designed to handle pressures up to 580 psig and temperatures exceeding the set point by 120°F, this self-regulating temperature controller is suitable for a wide range of mediums including liquids, gases, and steam, while maintaining low maintenance needs.

Regulator Standards & Stuff

Nominal Diameters: DN15 to DN50 (1/2" to 2")
Pressure Classes: PN25 (Class 250)
Materials: Red Brass CC491K/CC499K, Stainless Steel
Temperature Range: up to 200°C (up to 390°F)
Set Points Range: 0 to 150 °C
Application: For Plants to be Heated or cooled
Versions: 43-5, 43-6, & 43-7
Weight Range (kg): 1.8 to 2.0


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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43-7 Type Temperature Regulators (Heating)