IQT series intelligent quarter-turn valve electric actuator adopt with Advanced control technology , including of Microelectronics technology, Computer technology, Integrated circuit technology, Infrared remote control technology, Magnetic control switch technology, LCD shown in Chinese, replace of the Traditional control mode. It can finish to the adjustment and Settings through the way of Remote control or Magnetic knob on the actuator and no need to open the cover of the actuator.

The basic model of series IQT products is outdoor model; the protection class is IP67, the products also can manufactured to Ex-proof model, the Ex-proof class is Ex d ⅡBT4. The designation and the technical performance of series IQT products accord with JB/T 8528-1997 ?Specification of general type electric actuator for valves> . The Ex-proof performance of the Ex-proof model products accord with GB3836.l-2000 (Electrical apparatus for explosive gas atmospheres-Part Ⅰ: General requirements)and GB083836.1-2000 (Electrical apparatus for explosive gas atmospberes-Part2: Flameproof enclosure "d" ).

(1)Non-intrusive design, independent dual-seal connection cavity.

(2)Internal automatic phase rotation correction and phase loss protection functions.

(3)Chinese interface with LCD display.

(4)Infrared remote setting tool and flexible parameter setting.

(5)when without electricity, LCD can display to real-time state of valve with Manual operation.

2.1 Protective functions

(1) Torque protection

(2)Motor-blocking protection

(3)Phase loss protection

(4)overheat protection

(5)Overcurrent protection

(6)operating direction switching protection

2.2 General operations

(1)Locally

(2)Remotely

(3)bus control (optional).

2.3 Functions and optional modules

Basic configuration: Include local and remote on--0ff controls, 4-20mA valve position output, 4-20mA remote positioning

control module (RPCM),1 monitor relay, 4 settable status relays. plus 4 status relays (4RL+).

Expansion configuration: fieldbus (Profibus DP) (Modbus).