Type 9 3-Way Temperature Regulators

The Type 9 3-Way Temperature Regulator is engineered for broad industrial applications, embodying a self-acting, equilibrium valve with flanged fittings. It is adept for use in both mixing and diverting tasks within heating or cooling systems. Functioning autonomously without the need for external power, it boasts an extensive set point spectrum that can be readily modified via a dial. This device, requiring minimal upkeep, incorporates a three-way valve, stabilised by a stainless steel bellows, and accommodates the fitting of a temperature restrictor or an extra control thermostat, ensuring optimal performance and reliability.

Key Features

Key features and benefits of Type 9 3-Way Temperature Regulators

Key Features

The Type 9 3-Way Temperature Regulator operates independently without requiring auxiliary energy sources, making it highly efficient and suitable for sustainable industrial practices.

Key Features

It offers an extensive and easily adjustable set point range through a user-friendly dial, facilitating precise temperature control in a variety of heating or cooling applications.

Key Features

The regulator features a balanced three-way valve system, enhanced by a durable stainless steel bellows, and supports the integration of a temperature limiter or additional control thermostat, all while ensuring minimal maintenance requirements.

Regulator Standards & Stuff

Nominal Diameters: DN15 to DN150 (1/2" to 6")
Pressure Classes: PN16 to PN40 (Class 150 to 300)
Materials: Cast Iron, Cast Steel, Stainless Steel
Temperature Range: up to 350°C (up to 660°F)
Set Points Range: -10 to +250 °C
Application: Designed for Plants that are Heated or Cooled Using Liquids
Versions: Type 9, Type 2119/2231, Type 2119/2232, Type 2119/2233, Type 2119/2234, & Type 2119/2235
Weight Range(kg); 6.0 to 231.50


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 9 3-Way Temperature Regulators