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The C-TOP-1721 is a straight-stroke pneumatic valve control unit designed for valve process control. It is compatible with most PLC (programmable logic controller) automation systems with digital communication or bus communication (AS- I BUS). Including position feedback output, three-segment LED display, anti-leak function, valve opening and closing control, etc., used to control all types of process valves. It can be installed on various pneumatic valves, such as pneumatic butterfly valves, ball valves, diaphragm valves, angle seat valves, globe valves, reversing valves, mixing proof valves, etc.
Control input: PNP DC 24V
Feedback Output : PNP DC 24V & 4-20mA
Power supply : DC24V ± 10%
Bus communication : AS-I-BUS
Accuracy: repeat positioning accuracy ≤ 0.5mm;
Setting: One-button auto-tuning function
Operating mode: automatic & manual
Leak prevention diagnostic function
Display: three-segment lamp color
Open: green / red
Close: red / green
Middle position: yellow, suitable for anti-mix valve
Travel range: 0-60mm

C-TOP-1561 is a rotary angular stroke pneumatic valve control unit designed for valve process control. It is compatible with most PLC (programmable logic controller) automation systems with digital communication or bus communication (AS). -I BUS). Including position feedback output, two-stage LED light display, anti-leak function, valve opening and closing control, etc., used to control all types of process valves. It can be installed on various pneumatic valves, such as pneumatic butterfly valves, ball valves, globe valves and other rotary stroke valves.....
Control input: PNP DC 24V
Feedback Output : PNP DC 24V & 4-20mA
Power supply : DC24V ± 10%
Bus communication : AS-I-BUS
Accuracy: Repeat positioning accuracy ≤ 0.2%;
Setting: One-button auto-tuning function
Operation: Automatic & Manual
Leak prevention diagnostic function
Display: two-segment lamp color
Open: green / red
Close: red / green
Stroke angle: 0-180°

F-TOP-1553 is a straight-stroke pneumatic valve position feedback device designed primarily for valve process position feedback. It is compatible with most PLC (Programmable Logic Controller) automation systems with digital communication. Including position feedback output, three-segment LED display, anti-leakage function, etc., used to control all types of process valves. It can be installed on various pneumatic valves, such as pneumatic butterfly valves, ball valves, diaphragm valves, angle seat valves, globe valves, reversing valves, etc...
Feedback Output : PNP DC 24V & 4-20mA
Power supply : DC24V ± 10%
Accuracy: Repeat positioning accuracy ≤ 0.2%;
Leak prevention diagnostic function
Display: three-segment lamp color
Open: green / red
Close: red / green
Middle position: yellow, suitable for mixing proof valve
Travel range: 0-60mm/0-30mm

IL-TOP-1891 is a rotary angular stroke pneumatic explosion-proof valve positioner which can be mounted on various pneumatic valves, such as pneumatic ball valves, globe valves, and membrane pneumatic regulators. After the positioner is installed, the valve flow adjustment, automatic control and valve position display can be realized. This product has good appearance, small size, simple and convenient installation, and can be operated and debugged without a professional.
Control input: 4-20mA
Feedback output : 4-20mA
Power supply : 4-20mA
Bus communication: HART 6/7
Accuracy: Repeat positioning accuracy ≤ 0.2%;
Menu: OLED display Chinese & English
Setting: One-button auto-tuning function
Operating mode: manual / automatic
Fault: gas cut, power off, automatic valve position reset (standard) valve position hold function (optional)
Stroke angle: 0-180°
Explosion-proof grade: EX IDII CT6

IL-TOP-1441 is a rotary angular stroke pneumatic valve positioner which can be mounted on a variety of pneumatic valves, such as pneumatic ball valves, globe valves, and membrane pneumatic regulators. After the positioner is installed, the valve flow adjustment, automatic control and valve position display can be realized. The product has good appearance, small size, simple and convenient installation, and can be operated and debugged without a professional.
Control input: 0/4-20mA/0-5V/10V
Feedback output : 0/4-20mA/0-5V/10V
Power supply : DC24V ± 10%
Bus communication: MODE BUS RS485
Accuracy: Repeat positioning accuracy ≤ 0.2%;
Menu: OLED display Chinese & English
Setting: One-button auto-tuning function
Operating mode: manual / automatic
Fault: gas cut, power off, automatic valve position reset (standard) valve position hold function (optional)
Stroke angle: 0-180°
●No air consumption when valve position is maintained
●Power supply: DC24V ±10%
●Scope of application: straight stroke and angular travel 30°-180°
●Aluminum alloy casing
●Explosion-proof grade ExdIIBT4 (optional)
●IP68 protection level