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Flame Proof Limited Swich DKR300
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Flame Proof Limit Switch with Roller Lever

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  • DKR300

  • KST&OEM&ODM Brand

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The Flame Proof Limit Switch with Roller Lever is a high-performance safety component designed for hazardous environments requiring reliable control and protection. Engineered with precision, this limit switch ensures safe operation in explosive areas by meeting stringent explosion-proof standards. Ideal for industrial automation, oil & gas, chemical plants, and other hazardous sectors, it offers durability, precision, and safety compliance. As a leading manufacturer and exporter, KONTE provides OEM and ODM solutions tailored to your project needs, ensuring high-quality supply for bulk orders.

Key Features & Advantages


Robust Flame-Proof Construction: Crafted from high-grade aluminium alloy die-cast with baked enamel finish, providing excellent corrosion resistance and durability in harsh conditions.


Explosion-Proof Rating: Certified with BT6 explosion-proof standard, ensuring safe operation in Zone 1 and Zone 2 hazardous locations involving flammable gases or vapors.


Reliable Mechanical Operation: Equipped with a roller lever actuator that ensures smooth, sensitive triggering with minimal wear, suitable for heavy-duty industrial environments.


High Precision & Fast Response: Designed for quick activation and deactivation, maintaining operational safety and reducing downtime.


Long Service Life: Engineered for extended use with minimal maintenance, suitable for continuous industrial application, including oil & gas extraction, chemical processing, and power plants.


Easy Installation & Maintenance: Compact design allows straightforward installation, and the durable shell simplifies maintenance procedures, reducing operational costs.


Compliance & Certifications: Meets international standards such as IECEx, ATEX, UL, and other safety certifications, ensuring global compatibility and regulatory compliance.


Applications & Industry Usage


Oil & Gas Industry: Used in drilling rigs, pipelines, and refineries to monitor critical safety points, preventing accidents in explosive atmospheres.


Chemical Industry: Ensures safe operations in chemical processing plants where flammable media are prevalent.


Power Generation: Employed in power plants for controlling safety limits in turbines, boilers, and electrical systems.


Mining & Heavy Industry: Suitable for environments with dust, vibration, and extreme conditions, providing reliable limit detection.


Marine & Offshore: Essential for navigation and safety systems on ships and offshore platforms operating in hazardous zones.


Other Hazardous Environments: Ideal for any industrial setting requiring explosion-proof control devices to meet safety standards.


Technical Specifications

Parameter

Specification



Model

Flame-proof Limit Switch DKR300

Shell Material

Aluminium alloy die-cast with baked enamel coating

Explosion-proof Rating

BT6 (Zone 1, Zone 2)

Operation Type

Mechanical with roller lever actuator

Electrical Ratings

According to IECEx/ATEX standards (please consult datasheet)

Temperature Range

-20°C to +70°C (customizable)

Ingress Protection

IP67 (dust and water resistant)

Connection Type

Terminal wiring with waterproof protection


Certifications & Quality Assurance


International Standards: IECEx, ATEX, UL, CE, ISO9001 certified manufacturing process ensures product safety and quality.

Safety & Reliability: Designed to meet strict safety regulations for hazardous environments worldwide.

Durability Testing: Undergoes rigorous testing including pressure, roughness, material spectrum analysis, hardness, and air tightness tests to guarantee performance.


FAQs

Q1: What environments are suitable for this flame-proof limit switch?

A1: Suitable for explosive zones such as oil & gas fields, chemical plants, power stations, and offshore platforms.


Q2: Can this switch be customized for specific applications?

A2: Yes, KONTE offers OEM/ODM services to tailor parameters, lever types, and certifications based on client needs.


Q3: What is the installation process?

A3: The compact design allows easy mounting on control panels, with wiring terminals protected by IP67 ingress protection.


Q4: How long is the warranty period?

A4: Standard warranty is 12 months from shipment, with options for extended coverage.


Q5: How is the product tested for safety?

A5: Each switch undergoes comprehensive testing, including pressure, roughness, spectral analysis, and functional verification, ensuring compliance with international safety standards.



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