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Static control valves
Feel the Water

Static control valves

 
 
  • Static control valves - everything perfectly regulated

    The creation of a comfortable room temperature for the user, the optimization of operating costs and the safe operation of the system are requirements for modern heating and cooling systems. The basis for this is a well-planned and executed installation with all the necessary hydraulic fittings. HERZ provides a large variety of products for correct and energy-saving hydraulic balancing and for the control of heating and cooling systems. The dimensions of the regulating and regulating valves range from DN 15 to DN 500, the maximum operating temperature for selected valves is up to 150 ° C. Corresponding actuators, both mechanical and electronic, are also available for the HERZ control valves.

  • High degree of efficiency

    The HERZ double regulating and commissioning valves are available in an angle pattern or straight pattern as well as in flanged design. Depending on the model, they are designed with (extended) test points for differential pressure measurement and with a non-rising spindle with double or triple O-ring seals. Presetting by means of stroke limitation is possible - for each model type, the presetting is digitally displayed in the handwheel or the setting level on the handwheel shaft. NEW in the HERZ STRÖMAX product family is the compact double regulating and commissioning valve in straight pattern STRÖMAX-GN with test points and equal percentage characteristic. Suitable for hydraulic balancing in heating and cooling systems, for adjusting distribution lines, heat exchangers and heating and cooling coils, the new model is available in sizes DN 15 - DN 50.

    Find out more about the HERZ double regulating and commissioning valves:

    Find out more about the HERZ double regulating and commissioning valves in flange design:

  • Professional regulation

    The HERZ regulating valves 4216 in straight pattern, optionally with external or internal thread, are designed for hydraulic balancing for cooling ceiling systems and fan coils. They are designed with two test points. Presetting for stroke limitation is possible. The HERZ regulating valve especially for use in solar systems is designed with a solder connection and is suitable for a maximum operating temperature of 200 ° C.

  • The valve combination

    The HERZ control and regulating valves of the types 7217 V are specially designed for increased differential pressures in heating and cooling systems and are designed with an integrated measuring orifice. The kvs value can be preset between 0.4 and 3.9. The 7217 GV valves are designed for the regulation of large volume flows and have a pressure-relieved, presettable upper part. All variants have two test points and an M 28 x 1.5 drive connection thread for continuous or 2-point drive.
    The product family of HERZ control and regulating valves 7217 is designed with drive connection thread M 28 x 1.5 for continuous or 2-point drive. The thermostatic control valve inserts TS-98-V and TS-99-FV have an infinitely adjustable upper thermostat part for hydraulic balancing in cooling ceiling systems and fan coils. These models are designed with two test points.

  • The simple control solution

    Thermostatic control valve inserts TS-98-V and TS-99-FV are used in building services systems with cold and hot water as well as zone control and have an infinitely adjustable upper thermostat part for hydraulic balancing in cooling ceiling systems and fan coils. These models are designed with two test points.

  • 2- and 3-port valves

    Thermostatic mixing and diverting valves are available in 2-port, 3- port and 3- port versions with bypass. These control valves have graduated kvs values. This means that valves with different kvs values are available for each dimension. The HERZ control valve 7760 is used in air conditioning systems in room air conditioning, the thermostatic 3- port valves for mixing and distribution operation (7762 and 7763) and the CALIS-TS-RD three- port distribution valve 7761 for thermostat operation. All models can be equipped with a suitable HERZ thermal actuator.

    Find out more about the HERZ 2- port valves:

    Find out more about the HERZ 3- port valves and the Calis distribution valve:

  • Precise regulation without leakage

    The HERZ 2- port regulating ball valve is used for the continuous control of cold and hot water in closed circuits and is available in two pressure levels: PN 40 (DN 15 - DN 25) or PN 25 (DN 32 - DN 50). The ball has an equal percentage characteristic curve, the spindle seal has a double O-ring. The 2- port regulating ball valve with handle or a 2117 rotary actuator can be used as an option.

  • Mixing valves

    HERZ mixing valves 2137 (3- port) and 2138 (4- port) are used as control elements in heating and cooling systems for precise control of the medium temperature. With a suitable motor drive, the mixing valve is used as a control valve with a linear, proportional or quadratic characteristic. 3- port mixing valves can be used as mixing or distribution valves, 4- port mixing valves have a double function of the mixer - the proportion of hot water from the boiler is mixed with the return water. This leads to a higher return water temperature, reduces the risk of corrosion and ensures a longer service life for the boiler.

  • Mixing and diverting valves

    The 3- port mixing and distribution valves 4037 are used to control heating or cooling systems, for installation before or after heat exchangers as well as heating and cooling coils and for installation in distribution lines. The suitable valve drive 7712 has an adjustable characteristic. The dimensions range from DN 15 (kvs 4.00) to DN 50 (kvs 40.00).

  • 2- and 3- port control valves in flanged design

    The flanged 2-port and 3- port control valves are mainly used in district heating, heating, ventilation and air conditioning systems (HVAC) to control the volume flow or temperature. They can also be used to shut off heating or cooling lines. The bodies are made of gray cast iron (PN 16) or spheroidal cast iron (PN 25). The types cover the dimensions DN 15 to DN 150. The equal-percentage characteristic curve automatically adjusts the kv value to the change in stroke as a percentage. The maximum operating temperature is 140 ° C. The matching actuators 7712 have a maintenance-free gear.