QMB Mining Explosion proof Small Valve Electric Device

Main Features and Applications

The QMB mining explosion-proof small valve electric device is meticulously crafted for the rigorous demands of coal industry applications. This versatile actuator excels in the precise control of ball valves, butterfly valves, and more. When paired with high-pressure, small-caliber specialized valves, it ensures performance in coal mine fire safety, dust suppression, and the automation of underground central pump systems, including jet and vacuum pumps.
Our QMB valve electric device stands out for its compact design and lightweight construction. Seamlessly integrating with DCS systems, it facilitates efficient and reliable automatic control.

Classification

Available in various types: Basic, Intelligent, Explosion-Proof Basic, and Explosion-Proof Intelligent, each tailored to meet specific operational needs.

Working environment and main technical conditions

(1) Power supply: Standard three-phase AC380V, 50Hz;
For flexibility, optional power supplies include: AC400V, 415V, 660V, and dual frequencies of 50Hz or 60Hz.
Also adaptable for Single-phase AC220V, 110V with 50Hz or 60Hz options.
Additionally, supports DC power at 24V, 48V, and 84V.
(2) Ambient temperature: Standard range of -20ºC to +60ºC;Extended range available from -40ºC to +70ºC for demanding conditions.
(3) Relative humidity: Efficient operation up to 95% humidity at 25°C, ensuring robust performance.Adapts seamlessly to varying humidity conditions.
(4) Working environment: Ordinary type suits areas free from hazardous and corrosive media;
Explosion-proof model (ExdIIBT4) designed for environments with IIA and IIB gas mixtures, groups T1-T4, ensuring ut safety.
(5) Protection level: IP65, IP67, and customizable IP68 for enhanced protection under special orders.
(6) The motor is engineered for intermittent use: Standard operation time of 10 minutes, extendable to 15-30 minutes under special conditions, with Class F insulation for durability.
(7) Anti-corrosion coating: Utilizes a high-temperature electrostatic spray of anti-corrosion epoxy plastic powder, offering robust long-term protection.
(8) Main functional features of intelligent electric actuators
Engineered with a mechatronic design, these actuators are compact and lightweight.
Incorporates a digital integrated chip, delivering multifaceted functionality and precision.
Boasts a non-intrusive design, allowing parameter adjustments and debugging via knobs or infrared remote, all without opening the enclosure, for quick, secure operations.
Equipped with an absolute encoder for stroke displacement, ensuring valve position integrity and strong anti-interference, with high accuracy and extended lifespan.
LCD display available in both Chinese and English, enhancing usability.
Features protective functions such as travel limit, torque protection, stall alarm, overheat protection, signal failure protection, power phase loss, and automatic phase sequence correction for comprehensive safeguarding.
Intelligent types encompass Intelligent Switch, Intelligent Adjustment, and Advanced Intelligent versions, catering to diverse control needs.
(9) Intelligent switch type input signal: Accepts 24VDC pulse or level signals for versatile integration.
Output signal: Provides relay output with contact capacity rated at 5A for 250VAC or 30VDC.
Output position analog signal: Delivers 4-20mA for precise feedback.
Intelligent regulation supports analog input signals: 4-20mA for seamless control.
Analog output signal: Matches input with 4-20mA output.
Switch input signal: Compatible with 24VDC pulse or level signal for efficient operation.
Switching output signal: Our innovative actuator features a robust relay output with a contact rated capacity of 5A, 250VAC, and 5A, 30VDC, ensuring reliable performance and safety in high-demand environments.
Basic error: ≤1 - Experience precision and accuracy with a basic error margin of less than or equal to 1. Our technology guarantees exactitude you can count on.
Our advanced intelligent type is designed to elevate your operational capabilities. It includes support for ESD emergency override protection, seamless bus communication, intuitive Bluetooth connectivity, and sophisticated wireless control, among other groundbreaking features.

QMB Electric Actuator Main Models & Characteristics

QMB Size and Connection Dimensions

QMB3.5/5 External Dimensions

QMB9/15/25 External Dimensions

QMB Flange Connection Dimensions

QMB3.5/5 Connection Size Diagram

QMB9/15/25 Connection Size Diagram

Note: QMB9/15/25 are all equipped with F07 as standard, ensuring positive compatibility and seamless integration for your needs.