What documents are required to apply for Ex certification?

The specific documents and materials required for applying for explosion-proof certification vary depending on the type of explosion-proof certification and the product itself. Below is a list of common documents for your reference: 1. Technical Drawin

What is its purpose of Applying for an Ex Certificate?

Clause 3.1 of GB/T 3836.21-2021 clearly stipulates that an Explosion-proof Certificate (Ex Certificate) is a document used to certify that a product complies with the regulatory requirements for explosive atmospheres. This means that any product claiming

Ignition Temperature/Ambient Temperature/Temperature Classification

Ignition temperature, ambient temperature and temperature classification are several common basic concepts in explosion-proof certification. Ignition temperature refers to the minimum temperature at which flammable gases and vapors in an explosive atmo

The Relationship Between Intrinsic Safety Certification and ExCertification

Intrinsic safety certification is actually a type of explosion-proof certification. Specifically: Intrinsic Safety Certification This certification indicates that the equipment adopts the intrinsic safety (i) type of explosion-proof protection. Intr

Basic Knowledge of Explosion-Proof Marks and Ex Classifications

Explosion protection mark and explosion protection classification are key indicators for evaluating the performance and applicable scope of explosion-proof equipment. Below, Shenzhen SinoTest Testing Technology Co., Ltd. provides a detailed explanation of

Basic Process of applying for an Ex Certification

The process of explosion-proof certification mainly consists of the following key steps, with the entire cycle usually taking about 2 months. 1. Clarify Certification Requirements Determine the type of certification based on the product's applic

What is the inspection cycle for Ex equipment in service?

The core cycle for the inspection of explosion-proof electrical equipment is once every three years, which is mainly based on the national standards AQ 3009-2007 and the GB/T 3836 series. The inspection must be conducted by institutions with professional

What are the differences between Intrinsic Safety ia, ib, and ic?

Intrinsic Safety (“i”) Explosion-Proof Certification is a certification system for electrical equipment used in hazardous areas. It prevents the generation of electric sparks or high temperatures that are sufficient to ignite explosive mixtures by limitin

What are the common issues encountered in on-site explosion-proof inspection?

According to the requirements of the standard AQ3009-2007, explosion-proof electrical equipment in service must be inspected at least once every three years to ensure its explosion-proof safety performance. Based on years of experience in on-site explosio

Template of the Qualification Certificate for the Installation of Ex Electrical Equipment

The following are the Qualification Certificates for the Installation of Explosion-proof Electrical Equipment issued by different institutions. The application conditions, requirements and handling fees are all different. Please inquire with relevant pict