903 series valve electric actuator of tianjin north Industrial Valves control equipment co. , LTD. The product is suitable for the production of the 903 series valve electric actuator gate valve, globe valve, the valve stem long circle rotary or linear motion of the Industrial Valves and similar equipment, also can be combined with the gear box of worm turbine structure used in butterfly valves, ball valves isometric trip valve and similar equipment. Products of the torque is 50 ~ 5000 nm, three phase four wire system are adopted in 380 v / 50 hz ac power or three-phase three-wire system 380 v / 50 hz ac power. In the power supply voltage fluctuation plus or minus 10%, the frequency fluctuation plus or minus 5%, the product can work normally. Products can be in - 60 ~ + 60 ℃ temperature to work properly, reach IP68 protection grade, explosion-proof grade for ExdIIB T4 Gb, stroke control through counter mechanism to stroke control. With full open and close counter of two groups, each location is equipped with two large capacity, since the net type switch, contact capacity of 250 vac10a. Torque control adopts the mechanical torque control. Switch the direction of each configuration 1 only double double throw micro switch, contact capacity of 250 vac10a. 903 series valve actuator in various electric heating resistance are installed in the cavity, for in the day and night temperature difference is bigger and more used in damp places, to prevent electric parts damaged due to condensation. GA in the product development process, obtained the patent for utility model: one for the safety of the electric actuator and manual switching mechanism. ( Patent no. : ZL 2013 2, 0833728. 3) , the patent for utility model: a vertical opening window the fixed structure. ( Patent no. : ZL 2013 2, 0832520. X） 。 Products exported to Russia, South Korea, the Middle East and other regions, products in the Russian market share reached 25%, generally is well received by the dealer.

keywords: 903 series valve electric actuator, tianjin valve control equipment co. , LTD. , north Industrial Valves actuator
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