DQW intelligent integrated electric device

NegotiableUpdate on 12/17

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Overview

The purpose and function of DQW electric device DQW partial rotary valve electric device, abbreviated as Q-type electric device

Product Details

The purpose and function of DQW electric device
DQW partial rotary valve electric device, abbreviated as Q-type electric device. It is a driving device for valves to achieve opening, closing, or regulating control, suitable for valves such as butterfly valves, ball valves, plug valves, and dampers that rotate 90 degrees. It can be controlled remotely or operated on-site. Widely used in industries such as power, metallurgy, petroleum, chemical, food, textile, papermaking, pharmaceuticals, water plants, and sewage treatment.
The performance of DQW electric device complies with the technical specifications of JB/T8528-1997 "Technical Conditions for Ordinary Valve Electric Devices"; The performance of the explosion-proof type complies with the provisions of GB3836.1-2000 "Electrical Equipment for Explosive Gas Environments Part 1: General Requirements", GB3836.2-2000 "Electrical Equipment for Explosive Gas Environments Part 2: Explosion proof Type" d "", and JB/T8529-1997 "Technical Conditions for Explosion proof Valve Electric Devices".

Classification of DQW Electric Devices
Partial rotary electric devices are classified by protection type: outdoor type and explosion-proof type;
Divided by control mode: there are conventional type, integral type, and integral adjustment type;
Conventional electric devices have a separate structure and require an external control box without on-site buttons.
The integral electric device is an integrated structure that can input switch signals and output 4-20mA signals, with on-site buttons.
The regulating electric device is an integrated structure that can input and output 4-20mA signals, adjust the valve opening size, and thus achieve the adjustment of flow rate.

DQW electric device integrity and overall adjustment type
Integrated type: The combination of the control system and the electric device is called an integrated electric device, and its electrical part mainly consists of integrated modules, button boxes, opening meters (or digital indicators), contactors, etc. The electrical components are installed on a reversible board for adjusting the torque control mechanism, stroke control mechanism, and opening indicator mechanism. There are three buttons on the button box, the middle is the on-site/remote control conversion button, the left is the on-site valve closing button, and the right is the on-site valve opening button. Covering the button box cover is for remote control, and the remote control is 24VDC switch contact control (24VDC is already supplied internally). Opening the cover is for on-site operation.
Integrated regulation type: By introducing a regulation module on the basis of the integrated type, an integrated regulation type electric device is formed. Its electrical part consists of a regulation module, button box, opening meter (or digital indicator), contactor, etc. Can receive and output 4-20mA standard signals.

Working environment and main technical parameters of DQW electric device
1. Power supply: Conventional, three-phase 380V (50Hz) special, three-phase 660V, 415V, single-phase 220V, 110V (50Hz, 60Hz)
2 Working environment:
Environmental temperature: -20~+60 ℃ (special orders -40~+80 ℃).
Relative humidity: ≤ 95% (at 25 ℃).
Protection type: Outdoor type used in places without flammable, explosive, and non corrosive media. There are two types of explosion-proof products, d Ⅰ and d Ⅱ BT4. d Ⅰ is suitable for non mining working faces in coal mines; DIIBT4 is used in factories and is suitable for explosive gas mixtures in environments of IIA and IIB levels T1 to T4. (See GB3836.1 for details)
3. Protection level: IP55 (special orders IP65, IP67)
4. Work schedule: Short 10 minutes (30 minutes for special orders)

If you have any further questions, please feel free to call Yangzhou Bell Valve Control Co., Ltd. for consultation!