Buy Electric drives kolonkovy 821-KE - Oa
Electric drives kolonkovy 821-KE - Oa
elektroprivody_kolonkovye_821_ke_oa

Electric drives kolonkovy 821-KE - Oa

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14000 UAH
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Ukraine, Kharkov
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+380 
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10
10 years on Allbiz
Technical characteristics
  • Country of manufactureRussia
Description

Electro drives kolonkovy series 821, 822, 824, 825, 876 and 1280 are intended for control of the locking and regulating fittings when under the terms of operation it is impossible to use the built-in electric drives, and allow to make: remote control of armature from control panel; manual control by armature; automatic stop of the electric motor at achievement by the locking or final control element of extreme positions; automatic shutdown of the electric motor of the electric drive of shutoff valves when exceeding torsion torque on drive to shaft both in extreme positions of locking body, and in intermediate position in the course of the course; light signaling; the remote indication of position of locking body of armature by means of the device sensor in the electric drive and the device receiver on the control panel; electric blocking of the electric motor at manual control by armature. The electric drive is installed on column (bracket) and consists of one-stage worm reducer, the electric motor, node of blocking of manual control, box of terminal and limit switches. In addition are shaft with articulated coupling part of the electric drive. The electric drive of series 821 is installed on bracket and is intended for control of fittings with mm DN 20. Other electric drives are installed on columns and are used to control of fittings with DN of 40 mm and more. Depending on the armature location in relation to the electric drive (from above or from below) also articulated coupling is established. In case of manual control at rotation of flywheel there is closing of armature, at anti-clockwise rotation to the right — opening; the movement is transmitted by means of the roller through worm gearing. Control of electric drives is exercised according to circuit diagrams. Closing of shutoff valves happens at shutdown of the electric drive, i.e. at relay actuation of the current which is adjusted on certain current intensity. The KVZ terminal switches are used in shutoff valves for the alarm system of finding of locking body in the lower extreme position, and KVO — in upper extreme position. Shutdown of the electric drive of the regulating armature in extreme positions happens at operation of the KVB and KVM limit switches. The option of execution of the limit switch for shutoff valves of VP-4M is defined by the armature spindle speed necessary for full closing (opening) of pass and is chosen according to the table. The regulating armature is completed with mechanisms of the alarm system of the situation MSP-1 with ranges of setup respectively from 0 to 35 turns of (MSP-1-1), from 0 to 18,8 turns (MSP-1-2): from 0 to 7,5 turns (MSP-1-3). Electric drives for shutoff valves are expected work in short-time duty, the number of start-up in hour no more than 6 with duration of inclusions (PV) no more than 15%. Electric drives for the regulating armature are expected work in repeated and short-term reverse mode of work with number of inclusions to 320 in hour and duration of inclusions (PV) to 25% at loading on day off to shaft, equal rated, at the same time electric drives should allow work within 1 hour in repeated and short-term reverse mode with number of inclusions to 630 in hour and PV to 25% with the following repetition no more, than in 3 hours. Electric drives of in-Russian deliveries intend for operation in macroclimatic areas with moderated (At) climate, type of the atmosphere P, with category of placement 3 in accordance with GOST 15150 — 69. Electric drives of export deliveries intend for operation in macroclimatic areas with moderated (At) or tropical (T) climate, type of the atmosphere P, with category of placement 3 in accordance with GOST 15150-69. Electric drives are intended for operation in the enclosed space under following conditions: Ambient temperature, °C do40 Air environment........ Height above sea level, m to 1000 Relative humidity, %, is inexplosive no more: at 20 °C-80....... at 40 °C-50 Kolonkovye electric drives are issued according to TU 37-003-05015348 — 92. Specialists of LLC Evronorma can in the choice of the necessary equipment. Wide choice of check valves in warehouse of LLC Evronorma

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