Shenzhen ZhongNuo Inspection Co., Ltd. Paint Spraying Robot Explosion Proof Certification Acquisition Process

Shenzhen ZhongNuo Testing Technology Co., Ltd. is headquartered in South China and specializes in explosion-proof certification and coal mine safety certification application consulting services, offering a one-stop explosion-proof technology consulting service.
In flammable and explosive hazardous areas, the site must be divided into explosion-proof zones based on the frequency and duration of appearance of hazardous materials. This is to ensure the correct selection and installation of electrical equipment in hazardous areas for safe operation. The division is in accordance with explosion-proof standards.
Explosive gas environments are classified into Zones 0, 1, and 2. Zone 0 is hazardous, referring to situations where explosive gas mixtures are present for extended periods under normal conditions, such as within oil and gas transmission pipelines. Correspondingly, explosion-proof areas for explosive dust environments are divided into Zones 20, 21, and 22.
Dividing explosion-proof zones is crucial for selecting the appropriate explosion-proof electrical equipment. For instance, Zone 0 requires intrinsically safe ia electrical equipment, while Zone 1 allows for intrinsically safe ia or ib electrical equipment, offering a wider range of options.
For more information on explosion-proof products, please feel free to contact Shenzhen ZhongNuo Testing Technology Co., Ltd. for further communication.

What standards are used for explosion-proof certification? What are the technical requirements?
An explosion-proof type is a type of explosion-proof design for electrical equipment.
The housing is capable of withstanding explosive mixtures entering the housing through the housing joint surfaces or structural gaps, without being damaged upon internal explosion.
And ignites an explosive gas atmosphere formed by one, several gases, or vapors.
The explosion-proof housing must possess both explosion-proof and anti-explosion capabilities. Generally, the outer casings of products designed for explosion-proof purposes tend to be rather bulky.
Products and equipment suitable for fixed installation and use.
Explosion-proof face width, gap, and roughness are the three key elements of explosion-proof housing design.
Design requirements for explosion-proof three elements vary depending on the different explosive gas environments used in Class I mining, non-mining Class IIA, IIB, and IIC.
Please refer to the design standards of GB/T3836.1 and GB/T3836.2 for specifics.
ZhongNuo Inspection has long been dedicated to the design, testing, and certification of explosion-proof products.
We have a dedicated explosion-proof technology team in the explosion-proof field, well-versed in explosion-proof standards and requirements.
Offer explosion-proof housing design, drafting, modification guidance, certification consultation, and more.
If you have a need for this as well, feel free to message us anytime!

How to Apply for Explosion-Proof Certification for a Company:
1. Self-Application: The company applies to the certification body independently, prepares relevant documents on its own, assists in debugging the prototype, and modifies any irregularities in the documents. The process is relatively longer, with higher overall costs, and requires both time and effort.
2. Agent Application: Refers to the entire process of consulting and applying to Shenzhen ZhongNuo Testing Technology Co., Ltd., including material modifications, prototype debugging, and progress coordination, which are entrusted to the consulting agency. It offers a shorter cycle, simpler process, manageable overall costs, and saves time and effort.

Certification standards for explosion-proof equipment used in explosive gas environments:
GB/T 3836.1-2021 Explosive Atmospheres Part 1: Equipment General Requirements
GB/T 3836.2-2021 Explosive Atmospheres, Part 2: Equipment protected by a flameproof enclosure "d"
GB/T 3836.3-2021 Explosive Atmospheres, Part 3: Equipment protected by intrinsic safety "i"
GB/T 3836.4-2021 Explosive Atmospheres, Part 4: Equipment protected by intrinsic safety "i"
GB/T 3836.5-2021 Explosion-proof Environment, Part 5: Equipment Protected by Positive Pressure Enclosure "p"
GB/T 3836.6-2017 Part 6: Equipment protected by "o" type immersion for explosive atmospheres
GB/T 3836.7-2017 Explosive Atmospheres Part 7: Equipment protected by filling with sand type “q”
GB/T 3836.8-2021 Explosive Atmospheres Part 8: Equipment protected by "n" type protection
GB/T 3836.9-2021 Explosive Atmospheres, Part 9: Equipment protected by "m" type encapsulation
Explosion Proof Certification Application Consultation Service - Shenzhen ZhongNuo Testing Technology Co., Ltd.