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    • EX Lighting / Industrial Lighting
      • EX luminaires | Zone 1
      • PrimeLine Ex ATEX luminaire for Zone 1
      • PrimeLine Emergency Ex ATEX luminaire for Zone 1 [internal battery 1,5h or 3h]
      • PrimeLine LED Ex ATEX emergency luminaire for Zone 1 [central battery]
      • EX luminaires | Zone 2, 21 and 22
      • Ex Light Fitting for Zone 21, 22 and 2
      • Ex Emergency Light Fitting for Zone 21, 22 and 2 [internal battery]
      • Ex Emergency Light Fitting for Zone 21, 22 and 2 [central battery]
      • Industrial luminaires
      • Industrial LED luminaire | 60 cm / 120 cm / 150 cm
    • Terminal  Boxes
      • GRP Ex Terminal Boxes
      • Aluminium Ex Terminal Boxes
      • Stainless Steel Ex Terminal Boxes
    • Control Stations | Switches
      • Ex Control Stations
      • GRP Ex Control Stations Plus
      • Aluminium Ex Control Stations Plus
      • Stainless Steel Ex Control Stations Plus
      • Ex Switches
      • Motor switches
      • Isolation switches up to 80A
      • Main switches
      • Safety switches
      • Emergency STOP switch (mushroom button)
    • Ex Cable Glands
      • ATEX cable glands / IECEx cable glands for armoured cables
      • Ex Cable Glands for unarmoured cable | Ex Glands
      • Reducers
      • Adaptors
      • Stopping Plugs
    • Sockets and Plugs
    • Contact Us

    Education

    Explosion-proof Ex connectors – types and basic principles of operation and maintenance


    Photo for the article about Explosion-proof Ex connectors – types and basic principles of operation and maintenance

    This post discusses

    1. Basic types of Ex explosion-proof connectors: plugs and sockets
    2. Selection and operation of Ex ATEX explosion-proof connectors
      1. Ex HARDO connectors
      2. Ex connectors - operating principles
    3. Principles of proper maintenance of Ex connectors
    Read On: Explosion-proof Ex connectors – types and basic principles of operation and maintenance
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    Requirements for electrical installations in potentially explosive atmospheres


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    Read On: Requirements for electrical installations in potentially explosive atmospheres
    Photo for the article about Requirements for electrical installations in potentially explosive atmospheres

    Central battery system for emergency lighting: is it worth it?


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    This post discusses

    1. Central battery-powered emergency lighting system: what are the advantages?
    2. Cost-benefit analysis of central battery systems for emergency luminaires
      1. Long-term cost-effectiveness of a central emergency lighting battery system
    3. The right emergency lighting system: a balance of cost, control and reliability
    Read On: Central battery system for emergency lighting: is it worth it?
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    Potentially explosive atmospheres: conditions and parameters


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    This post discusses

    1. When can a room be classified as having potentially explosive atmosphere?
    2. Requirements for potentially explosive atmospheres
    3. How to calculate the explosion pressure build-up
    Read On: Potentially explosive atmospheres: conditions and parameters
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    Ex industrial diffusers: types and basic differences


    Photo for the article about Ex industrial diffusers: types and basic differences

    This post discusses

    1. Types of diffusers for Ex industrial lamps
    2. Key differences: luminaire efficiency and glare effect
      1. Why use frosted and opal diffusers when transparent diffusers offer maximum illumination
    Read On: Ex industrial diffusers: types and basic differences
    Photo for the article about Ex industrial diffusers: types and basic differences

    Operating instructions for electrical equipment in potentially explosive atmospheres: how to recognize a good one?


    Photo for the article about Operating instructions for electrical equipment in potentially explosive atmospheres: how to recognize a good one?

    This post discusses

    1. Essential elements of the manual
    2. Expanding the operating manual
    3. Keeping the manual alive
    Read On: Operating instructions for electrical equipment in potentially explosive atmospheres: how to recognize a good one?
    Photo for the article about Operating instructions for electrical equipment in potentially explosive atmospheres: how to recognize a good one?

    Risks in the chemical industry and how to eliminate them in accordance with ATEX


    Photo for the article about Risks in the chemical industry and how to eliminate them in accordance with ATEX

    This post discusses

    1. Common hazardous substances in chemical processing
      1. What does the ATEX Directive require of employers?
      2. Managing explosive atmospheres
    2. Elimination of ignition sources in chemical production
      1. Electrical equipment for hazardous areas in the chemical industry
      2. Lighting for hazardous areas
    3. Additional measures for ignition prevention and explosion impact reduction

    Zobacz więcej

    Read On: Risks in the chemical industry and how to eliminate them in accordance with ATEX
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    Ex e flameproof enclosure: design, advantages, limitations


    Photo for the article about Ex e flameproof enclosure: design, advantages, limitations

    This article discusses

    1. Operating principle of Ex e protection
    2. Ex e protection levels
    3. Example of explosion-proof feature
    4. Important information if you are purchasing ex equipment
    Read On: Ex e flameproof enclosure: design, advantages, limitations
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    Ex d flameproof enclosure: design, advantages, limitations


    Photo for the article about Ex d flameproof enclosure: design, advantages, limitations

    This article discusses

    1. Application of Ex d flameproof enclosure
    2. Ex d - Flameproof Enclosure: Operating Principle
    3. Damage to the Flame Path
    4. Advantages of Ex d Protection
    5. Limitations of Ex d Protection
    6. Different Ex d Protection Concepts in Europe and North America
      1. Terminology Differences
      2. Conceptual Differences
    7. Ex d Enclosure with a Decompression Panel and Flame Arrester - A New Concept
    8. How Ex d Enclosure with Flameless Explosion Venting Works
    9. Combining Ex d and Ex e Enclosures

    Zobacz więcej

    Read On: Ex d flameproof enclosure: design, advantages, limitations
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    ATEX light fittings: how to cut installation costs?


    Photo for the article about ATEX light fittings: how to cut installation costs?

    This article discusses:

    1. Key factors affecting installation costs
    2. ATEX OptiLine Series: the design behind the luminaire
    3. What to consider when choosing an Ex luminaire: example of OptiLine
      1. Lenses that add to flexibility
      2. More cable glands in the fixture
      3. Flexibility in mounting cable glands
      4. Freedom of Cable Choice
      5. Quick and safe installation
      6. Cover options in LED EX OptiLine fitting
      7. Variable light output in emergency lighting
      8. Certificates and safety
      9. Durability and resistance of OptiLine Fixtures
      10. Versatility of EX LED OptiLine fittings

    Zobacz więcej

    Read On: ATEX light fittings: how to cut installation costs?
    Photo for the article about ATEX light fittings: how to cut installation costs?
    Send us your request


      OFFER
      • EX Lighting / Industrial Lighting
        • EX luminaires | Zone 1
        • PrimeLine Ex ATEX luminaire for Zone 1
        • PrimeLine Emergency Ex ATEX luminaire for Zone 1 [internal battery 1,5h or 3h]
        • PrimeLine LED Ex ATEX emergency luminaire for Zone 1 [central battery]
        • EX luminaires | Zone 2, 21 and 22
        • Ex Light Fitting for Zone 21, 22 and 2
        • Ex Emergency Light Fitting for Zone 21, 22 and 2 [internal battery]
        • Ex Emergency Light Fitting for Zone 21, 22 and 2 [central battery]
        • Industrial luminaires
        • Industrial LED luminaire | 60 cm / 120 cm / 150 cm
      • Terminal  Boxes
        • GRP Ex Terminal Boxes
        • Aluminium Ex Terminal Boxes
        • Stainless Steel Ex Terminal Boxes
      • Control Stations | Switches
        • Ex Control Stations
        • GRP Ex Control Stations Plus
        • Aluminium Ex Control Stations Plus
        • Stainless Steel Ex Control Stations Plus
        • Ex Switches
        • Motor switches
        • Isolation switches up to 80A
        • Main switches
        • Safety switches
        • Emergency STOP switch (mushroom button)
      • Ex Cable Glands
        • ATEX cable glands / IECEx cable glands for armoured cables
        • Ex Cable Glands for unarmoured cable | Ex Glands
        • Reducers
        • Adaptors
        • Stopping Plugs
      • Sockets and Plugs
      • Contact Us
      ABOUT US
      WHO WE ARE

      For over 20 years our team has been active in the fields of explosion protection technologies and products. Our experience is built on hundreds of projects completed over the last 20+ years. Now we have decided to expand our activity by production of ATEX/IECEx certified electrotechnical equipment. We want to supply to the market a variety of high quality products with the best possible value-to-price ratio. We are constantly working on expanding our products portfolio in order to meet the widest possible demand from our customers. Our production facility is ATEX QAR/QAN certified.
      In addition to our products offering we can also provide our customers with a variety of services related to explosion protection. Our engineers can provide explosion protection assessment reports and design a proper solution to reduce the risks for gas and dust explosive atmospheres. Our consultants are always available to answer any questions or inquiries.

      Contact
      HARDO Czapski i Wspólnicy Spółka Jawna
      Phone: +48 515 380 743
      E-mail: [email protected]
      Spacerowa 5
      32-083 Balice
      Poland
      VAT: PL5130276737
      REGON: 521081535
      National Court Register: 0000949809
      GENERAL TERMS AND CONDITIONS OF SALES AND SERVICE

      Copyright © 2022 - 2025 All Rights Reserved by HARDO .

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      NEW PRODUCT! PrimeLine Ex ATEX luminaire for Zone 1.

      Read more
      ATEX Ex Lighting 2ATEX gland 2ATEX glands 2Emergency explosion-proof light fixture [Ex / ATEX - Zone 21, 22, 2] 3Emergency stop switch for explosion hazard areas 2Ex / ATEX Plastic Enclosure 2Ex emergency switch - zone 1 2EX gland 1EX glands 1Ex/ATEX Aluminum Enclosures 2Ex/ATEX aluminum terminal box 1Ex/ATEX plastic terminal box 1Ex/ATEX Stainless Steel Enclosures 2Ex/ATEX stainless steel terminal box 1Explosion-proof emergency light fitting [Ex / ATEX - Zone 21, 22, 2] 3Explosion-proof emergency stop switch 2Explosion-proof isolation switch 1Explosion-proof junction boxes [zone 0, 1, 2, 21, 22] 3Explosion-proof light fittings [Ex / ATEX - Zone 21, 22, 2] 1Explosion-proof light fixtures [Ex / ATEX - Zone 21, 22, 2] 2Explosion-Proof Lighting [Ex / ATEX - Zone 21, 22, 2] 1Explosion-Proof Lighting Ex / ATEX 1Explosion-proof safety switch 2Explosion-proof switch boxes [zone 0, 1, 2, 21, 22] 3Explosion-proof terminal boxes [zone 0, 1, 2, 21, 22] 3Hazardous Zone Lighting [Ex / ATEX - Zone 21, 22, 2] 1LED Fixture – ATEX / Ex [Zone 22, 21, 2] 1Metal ATEX gland 1Metal ATEX glands 1Metal EX gland 1Metal EX glands 1Spray booth light fittings ATEX / Ex 1Zone 0 Ex/ATEX terminal box 3Zone 1 Ex/ATEX terminal box 3Zone 2 Ex/ATEX terminal box 3Zone 21 Ex/ATEX terminal box 3Zone 22 Ex/ATEX terminal box 4