Cheap Multi-turn Actuator For Stop Valve,Gate Valve

We are offering cheap multi-turn actuator for stop valve,gate valve. Type torque knm
a-4 50
a-6 60
a-10 100
a-16 160
b-4 40
voltage :220v
input signal:4-20ma
•light weight and small size,
•easy to adjust the end position of stoke control and set torque switch
•high accuracy of driving medium,
•mechanical adjustable stop for valve and position control.
•good manualelectric declutch design
•possessing ideal outdoor performance
•various flange connection modes
•localremote-control shifting function
main technical parameters:
the following parameters mainly apply to proportional modulating type; the 1, 2, 3, 4, 5, 6 rules are not suitable for remote controlled type and on-off type.
1.input signal: 4~20ma(or1-5v) dc
2.input channel resistance:250ω
3.input channel number:1( separated model 3)
4.basic error: 1%; 2.5%
5.return error: 1.5%
6.dead band: 0.5-3% continual and adjustable
7.damping characteristic: no swing
8.voltage of power supply:
3 phase 380v-50hz (or 400v-50hz)
1 phase 220v-50hz (or 230v-50hz)
9.operating environment:
temperature:
integral model: -25~+75℃
separated model: -25~+80℃
position-localizer:-20~+75℃
humidity: ≤85% no corrosive characteristic exist in the ambient air.
10. Protection class: in accordance with iec14 ip65 (rainproof and dust proof); position-localizer gamx in accordance with iec14 ip44.
our valves are widely used for petroleum processing, chemicals, food, medicine, textile, paper making, hydro electricity engineering, shipbuilding, wafer supply, metal disease and energy engineering.