Accessories for actuators

We offer a comprehensive range of accessories for the electric and pneumatic Baelz actuators, such as positioners and solenoid valves as well as potentiometers for position feedback and/or additional limit switches. This allows the Baelz actuators to be used in even more applications.


Accessories for motorized linear actuators

Digital positioner baelz 7020

The digital positioner baelz 7020 is installed in the motorized linear actuator baelz 373-E07. Its settings are carried out with DIP switches and LED or Modbus.
 

2 output signals: 0...10 V and 0...20 mA or
2...10 V and 4...20 mA
Input signal: 0/2...10 V or 0/4...20 mA
Interface: RS 485 Modbus RTU
Power supply: 230 V, 115 V or 24 V, 50/60 Hz

Digital positioner baelz 7020A

The digital positioner baelz 7020A is installed in the motorized linear actuators baelz 373-E45 and baelz 373-E66 as well as in the motorized rotary actuator baelz 375-E42. Its settings are carried out with DIP switches and LED or Modbus.
 

2 output signals: 0...10 V and 0...20 mA or
2...10 V and 4...20 mA
Input signal: 0/2...10 V or 0/4...20 mA
Interface: RS 485 Modbus RTU
Power supply: 230 V, 115 V or 24 V, 50/60 Hz

Microprocessor controller baelz 7164

The microprocessor controller baelz 7164 is installed in the motorized linear actuator baelz 373-E07.
 

Analog inputs: PT100, NTC, 0/4...20 mA, 0/2...10 V, potentiometer 1-5 kΩ
Interface: RS 485 Modbus RTU
Power supply: 230 V, 115 V or 24 V, 50/60 Hz

Accessories for pneumatic linear actuators

Electro-pneumatic positioner baelz 87

The electro-pneumatic positioner baelz 87 compares an electrical actuating signal with the stroke of the pneumatic valve and thus regulates the required actuating pressure. Easy operation with menu navigation and capacitive buttons. Power-fail-safe storage of all parameters in the EEPROM. Available with or without explosion protection.
 

Input signal: 4...20 mA (2-wire)
Output signal: 4...20 mA (optionally)
Air pressure: max. 1.7...7 bar
IP rating: IP 66
Connecting thread: G 1/4, internal thread
Stroke: 12...66 mm
Explosion protection: yes (optionally)

Operating instructions

Declarations of conformity / Manufacturer's declarations

Data sheets


Electro-pneumatic positioner baelz 88

The electro-pneumatic positioner baelz 88 compares an electrical actuating signal with the stroke of the pneumatic valve and thus regulates the required actuating pressure. Easy operation with 3 keys with 2-line display. Many options, e.g. position feedback 0/4...20 mA or 0...10 V, HART bus,... Available with or without explosion protection.
 

Input signal: 4...20 mA (2-wire)
Output signal: 0/4...20 mA or 0...10 V (optionally)
Air pressure: max. 1.4...6 bar
IP rating: IP 66 (EN 60529) NEMA 4 X
Connecting thread: G 1/4, socket connection
Stroke: 8...22 mm and 40...66 mm
Explosion protection: yes (optionally)

Solenoid valve baelz 268

Solenoid valve to control the air supply to pneumatic actuators.
baelz 268/1 = 2-way solenoid valve; baelz 268/2 = 3-way solenoid valve.

Also available as explosion-protected solenoid valve baelz 268-Ex.

Body: brass
Seal: FPM
Connection: G 1/4, internal thread
Seat diameters: baelz 268/2: 2 mm, Kvs 0.11
baelz 268/1: 2 mm, Kvs 0.12
Ambient temperature: -10...+55°C
Temperature range: -10...+100°C

Operating instructions

Declarations of conformity / Manufacturer's declarations

Data sheets


Controller for pneumatic actuators baelz 279/280

For activation of pneumatic actuators combined with control valves. In combination with a 3-point step control, uncomplicated and robust control loops can be realized.

Components of baelz 279 / baelz 280:
2 2-way solenoid valves, baelz 268/1 or 268/1-Ex (explosion-protected version). For baelz 280 additionally 1 3-way solenoid valve baelz 268/2 or 268/2-Ex for safety cut-off in case of power supply failure.
 

Casing: brass
Seal: FPM
Connection: G 1/4 internal thread
Ambient temperature: -10...+55°C
Pressure range: 0...6 bar
Power supply: 230 V, 50/60 Hz; 110 V, 50/60 Hz;
24 VAC/DC or VUC (Ex-version)

Mechanical limit switches baelz 376-P...PEZ

Mechanical limit switches for pneumatic Baelz actuators, available with and without explosion protection.
 

Position optionally: open, closed or open/closed
IP rating: IP 65
Stroke: 12...66 mm

Inductive proximity switches baelz 376-P...INI

Inductive proximity switches for pneumatic Baelz actuators.
 

Position optionally: open, closed or open/closed
IP rating: IP 67

Declarations of conformity / Manufacturer's declarations

Data sheets

Spare parts


Diaphragm pressure controller baelz 54298

Diaphragm pressure controller baelz 54298 with integrated filter and manometer, for mounting with pneumatic Baelz actuators.
 

Input: max. 16 bar
Output: 0.5...10 bar
Pressure range: 0.5...10 bar
Connection: G 1/4

Declarations of conformity / Manufacturer's declarations

Data sheets