ELECTRIC LINEAR TRAVEL MODULATING VALVE ACTUATORS

STZ are suitable for the closed loop control system of industry process and able to carry out reliable and accurate control on m
1. SERVICE ENVIRONMENT
1.1 Power supply: Single phase, 220 V, AC, 50 Hz (or 110 V, 50 Hz. Other specific specifications are based on contract)
1.2 Environment temperature: - 40°C ~ +60°C
1.3 Relative humidity: ≤ 95% (+25°C)
1.4 Signals: input, 4~20 mA DC; output, 4~20 mA DC
1.5 Dead band: 0.5% ~ 7% adjustable
1.6 Duty: S5 ( Intermittent operation with electric braking), Minimum duty factor 25%, Maximum operations 1200 times/hour
1.7 Protection: IP 55

2. MAIN PERFORMANCE PARAMETERS
Type
STZ10
STZ16
Nominal output thrust N
4000
6300
10000
16000
25000
Travel mm
30, 60
50, 100
Output speed mm/s
0.8
0.65
0.8
Geared
motor
Type
80YYJ-25F
80YYJ-40F
90YYJ-90F
90YYJ-120F
Power
0.025kW
0.04kW
0.09kW
0.12kW
Current
0.35 A
0.45 A
1 A
1.2A
Voltage
Single phase 220V AC
Ratio
15
20









Example for representation of type: STZ16000-0.8/50 means thrust 16000 N, output speed 0.8 mm/s, travel 50 mm.
Other specific specifications are based on contract or technical agreement, and this operation instruction will not be changed in general.

3. GENERAL DESCRIPTION
Electric Linear Travel Modulating Actuator is a new member of series CDF. These products are suitable for the closed loop control system of industry process and able to carry out reliable and accurate control on modulating valves. They are used extensively power plants, metallurgical industry, sewage disposal and ventilation.
The general performance of these products is conformed to the requirements of Standard JB/T 8219- Electrical Actuators for Industrial-process Measurement and Control System. These actuators are light in weight, small in size, easy to set and provided with accurate control and long time for service life. These actuators are provided with many protecting functions, such as interlocking in opening and closing, protection for over torque, and travel limit, etc.