Tovent Explosion-proof Control Empower Safe Industrial Automation Development

Devoted to explosion-proof electrical field, Tovent relies on professional R&D teams and patents to launch full-series explosion-proof control products for industrial automation. Covering operation, limit, valve control and power supply, the products serve high-risk industries including petroleum, chemical and coal. With strict quality inspection and personalized customization, we provide safe, reliable and efficient explosion-proof solutions for global industrial automation.

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Five Core Explosion-proof Products Build Complete Industrial Automation Control System

From on-site operation and travel limit to fluid regulation and temporary power supply, Tovent’s five core explosion-proof products link seamlessly. All certified by authoritative organizations, they adapt to various explosion-prone conditions with safety, durability and intelligence.

The one-stop supporting solutions help enterprises realize automation upgrading and ensure stable operation of high-risk production sites.

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Customization Options

Housing Material Customization

We offer stainless steel, cast aluminum and engineering plastic housings to adapt to corrosive, humid and dusty conditions. It enhances weather resistance and structural strength for long-term stable operation in various explosion-proof zones.

Voltage Specification Customization

Multiple AC and DC voltage grades are available, covering common industrial low and medium voltages. It complies with domestic and international power supply standards to connect with all kinds of industrial control circuits.

High-Performance Materials
Installation Method Customization

Wall-mounted, column-mounted, embedded and floor-standing structures are optional to optimize on-site layout and fit workshop equipment, pipelines and control cabinets.

Highly Translucent
Protection Grade Customization

IP54 to IP66 protection levels are customized to resist rain, dust and oil pollution. It is ideal for outdoor ports, open oil fields and underground coal mines.

L(B/C/N)Z Series Explosion-proof Operating Column

L(B/C/N)Z series explosion-proof operation columns are major on-site control devices for high-risk industrial automation in petroleum, chemical and coal explosion-prone areas. Made of high-strength materials, the dustproof, waterproof and anti-corrosion columns support multi-module combination. With simple operation, they realize quick device start-stop and status checking. Customizable explosion-proof grades and installation methods fit layouts of various automated production lines.

BZX51 Explosion-proof Travel Switch

Long-term high-load operation of automated equipment requires durable limit switches. BZX51 switches adopt wear-resistant contacts and reinforced housings with anti-vibration and anti-aging performance, rarely failing after repeated triggering. Dustproof and waterproof, they work stably in dusty and humid conditions. Replacing old switches reduces maintenance downtime and cuts operational costs of production lines.

BDF Explosion-proof Solenoid Valve

BDF explosion-proof solenoid valves adopt modular structure and standardized parts for convenient maintenance and component replacement without disassembling whole pipelines. The wear-resistant spools resist jamming and reduce failures. Widely used in oil depots, chemical lines and coal mine ventilation pipelines, they simplify on-site maintenance while ensuring explosion-proof safety and improving overall production efficiency.

General Explosion-proof Travel Switch

The general explosion-proof travel switch has strong universality for automated equipment in most regular explosion-prone areas such as ports, metallurgy and grain processing. Equipped with complete limit and interlock functions and standard installation sizes, it replaces many similar products directly. Dustproof and waterproof with high cost performance, it is an ideal universal choice for equipment explosion-proof renovation and regular part replacement.

AC Series Explosion-proof Plug-in Device (IIB)

AC series explosion-proof plug devices (IIB) are designed for IIB explosion environments, providing temporary power for mobile automated equipment and testing instruments. The sealed explosion-proof structure avoids exposed electric arcs during plugging. Firmly connected and anti-drop, waterproof and dustproof, they fit indoor and outdoor explosion-proof scenarios such as ports and chemical workshops, becoming standard safe parts for temporary power use.

Explosion-proof Control Components Secure Hazardous Industrial Automation

In industrial sites like petroleum and chemical plants with flammable and explosive media, common electrical parts easily cause safety accidents, making professional explosion-proof control components essential for automated production. Tovent’s five core products cover operation, limit, valve control and connection, complying with domestic and international explosion-proof standards. After multiple tests, the products adopt sealed housings and flameproof circuits to isolate sparks from dangerous media. Many factories have reduced failure rates and simplified safety management after replacement.

The upgrading of industrial automation relies on the iteration of supporting explosion-proof equipment. Many old factories use outdated parts with poor precision and declining protection, leading to hidden dangers. With years of experience, Tovent optimizes products based on on-site operation, selecting proper materials and wiring for actual working conditions. These products fit both fixed and mobile equipment. We also provide personalized customization on explosion-proof grades and installation sizes to match all automated production lines.

Product Advantage

Explosion-proof Operation Columns: Core Manual Control Devices for Automation Sites
L(B/C/N)Z series integrate buttons, indicators and switches for on-site start-stop and status checking. Made of high-strength explosion-proof housings with high protection grades, they resist dust, rain and corrosive gas. Widely used in oil platforms, chemical workshops and coal tunnels, they feature smooth operation and stable structure for all-weather work.
Old operation columns in many factories face module aging, failed explosion protection and single functions, bringing high risks to operators. L(B/C/N)Z series allow free combination of functional modules such as start-stop, alarm and reset for customized panels. With multiple explosion-proof grades complying with zone standards, the products are easy to install and maintain. Linked with travel switches and solenoid valves, they realize dual on-site and remote control to improve system stability and safety, ideal for intelligent upgrading of high-risk factories.
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Explosion-proof Solenoid Valves for Precise Automated Fluid Control
Fluid transportation is a key link in automated chemical and oil-gas production. As the core of pipeline control, solenoid valves’ explosion-proof performance determines pipeline safety. Developed for high-risk fluid scenarios, Tovent BDF explosion-proof solenoid valves adopt sealed explosion-proof design, separating coils from medium cavities to avoid spark contact with flammable fluids. With fast switch response and precise flow control, they adapt to oil, gas, chemical solvents and industrial wastewater, featuring excellent corrosion resistance and tight sealing.
Traditional explosion-proof solenoid valves often suffer from valve jamming and seal aging. Frequent maintenance interrupts production and increases costs. BDF valves optimize spool structures with wear-resistant parts to extend service life and reduce maintenance. They connect with PLC systems to realize remote intelligent control, fitting the trend of smart factories. Suitable for long-distance pipelines and small workshop reactors, they form a complete fluid control system with Tovent’s plug devices and operation columns.
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High-reliability Explosion-proof Travel Switches Empower Automation Limit Control
Travel switches are core parts for limit and interlock control in industrial automation. In explosion-prone areas, electric sparks from common switches may cause explosions. Tovent’s two explosion-proof travel switches (BZX51 and general type) adopt flameproof structures with sealed contacts to prevent spark leakage. Featuring high sensitivity and fast response, they accurately control equipment travel for production lines, cranes and explosion-proof robots. The impact-resistant and anti-corrosion housings maintain stable performance in outdoor and underground environments.
Many enterprises ignore explosion-proof performance of limit parts and choose low-cost products during automation renovation, leading to shutdowns and accidents. The two switches are divided into special and general models: BZX51 for high-grade explosion zones and general type for regular scenarios. With flexible installation methods, they fit narrow spaces inside automated equipment. Combined with other Tovent products, they build a complete explosion-proof control chain to upgrade the safety level of the whole production line.
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AC Series Explosion-proof Plug Devices Solve Temporary Power Supply Issues
Common plugs generate electric arcs in explosion-prone areas and cause huge risks. Designed for IIB explosion-proof environments, AC series plug devices adopt sealed structures to prevent exposed sparks during plugging and unplugging. Featuring smooth operation and firm connection with anti-drop and waterproof functions, they are widely used for port machinery, chemical testing equipment and coal mine portable instruments.
 With high mobility and usage frequency, temporary power parts require higher durability and safety. AC series devices use wear-resistant conductive contacts to avoid poor contact after repeated use. Impact-resistant housings adapt to frequent movement and collision. With complete specifications matching mainstream industrial voltages, they connect with existing power lines and automated equipment. Excellent for equipment maintenance, temporary production lines and field exploration, they cooperate with other Tovent products to cover the whole automation control process.

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Technology Innovation First, Full-lifecycle Service for Industrial Automation
Adhering to technological innovation and win-win cooperation, Tovent focuses on R&D and production of explosion-proof equipment for industrial automation. We provide full-lifecycle services including customization, design, installation, commissioning and maintenance. With high-quality products and thoughtful services, we solve problems of high-risk industrial scenarios and create an intelligent and safe automation future with customers.
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  • We purchased L(B/C/N)Z explosion-proof operation columns for oil drilling platforms. They are durable under outdoor salt fog. Buttons are sensitive with qualified protection grades for easy operation. The products solve the failure problem of old columns and bring excellent using experience.

  • BZX51 explosion-proof travel switches are used in coal mine production lines with accurate limit control and good dust & explosion resistance. Running continuously for a long time without jamming or failure, they link well with automation systems and eliminate underground safety risks.

  • BDF explosion-proof solenoid valves used in oil and gas pipelines feature accurate switch and tight sealing with no leakage. The corrosion-resistant valves adapt to long-distance pipeline automation, reducing maintenance frequency and cutting costs effectively.

  • Our chemical workshop adopts all five Tovent explosion-proof control products. They have run stably for over two years without failures. Custom housings and explosion-proof grades fit working conditions perfectly, greatly improving production safety. The timely after-sales service makes Tovent a reliable long-term partner.

  • L(B/C/N)Z operation columns and explosion-proof travel switches are used in production lines with smooth linkage of manual control and limit function. Well-made and well-protected, the products run stably under long-term high load to ensure uninterrupted production.

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Alternative Names

Explosion-proof operation column/L(B/C/N)Z control column：Flameproof operation post/On-site explosion-proof controller/Industrial explosion-proof operation box/Chemical explosion-proof column/Oilfield control post/Coal mine operation column/IIB explosion-proof controller/IIC flameproof column/Manual explosion-proof controller/Automation operation column/Explosion-proof control station/Outdoor explosion-proof column/Corrosion-resistant operation post
BZX51 explosion-proof travel switch：Flameproof limit switch/Explosion-proof position switch/Industrial explosion-proof travel sensor/Chemical flameproof switch/Oilfield limit switch/Coal mine explosion-proof switch/IIB explosion-proof travel switch/Explosion-proof proximity switch/Automation limit switch/Hazardous area travel switch/Explosion-proof stroke switch/Impact-resistant limit switch/Corrosion-proof travel switch/Explosion-proof interlock switch
BDF explosion-proof solenoid valve：Flameproof solenoid valve/Explosion-proof fluid control valve/Chemical explosion-proof valve/Oil and gas solenoid valve/Industrial flameproof valve/Explosion-proof pipeline valve/Automation fluid valve/Hazardous medium valve/Corrosion-resistant solenoid valve/High-pressure explosion-proof valve/Explosion-proof cut-off valve/Mine ventilation valve
General explosion-proof travel switch：Universal flameproof limit switch/Explosion-proof general position switch/Industrial universal travel switch/Flameproof automation limit switch/Chemical general explosion-proof switch/Port explosion-proof travel switch/Metallurgical flameproof switch/Dust-proof limit switch/Waterproof explosion-proof switch/Hazardous area general switch/Explosion-proof mechanical limit switch/Universal flameproof sensor
AC series explosion-proof plug device：IIB flameproof plug socket/Explosion-proof power connector/Industrial explosion-proof plug/Chemical flameproof connector/Mobile explosion-proof socket/Port explosion-proof plug/Coal mine power connector/Temporary explosion-proof socket/Flameproof electrical connector/Explosion-proof power plug device/Waterproof explosion-proof socket/Corrosion-resistant plug

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