List of Explosion-Proof Certification Grades

This summary is primarily divided based on the equipment application category, temperature classification of explosive gas mixtures, and explosion-proof protection types. 1. Equipment Application Category Explosive electrical equipment is classified

How long does it take to apply for an explosion-proof certificate?

申请防爆合格证的时间周期并不是固定的，它受到多种因素的影响，包括产品的复杂性、提供的资料完整性、产品设计以及检测机构的效率等。 一般来说，如果产品设计合理、资料齐全且符合防爆标准的要求，那么整个申请流程可能会相对较短。然而，如果产品需要进行整改或补充资料，那么时间周期就会相应延长。 为了加快申请流程，您可以……

The Basic Meaning of Gas Ex Marking

Today, let's break them down. Once you understand them, you'll never be misled~ First, Class II means non - mine gas explosion - proof, which is the fundamental premise. Ex is the symbol for explosion - proof. Next is the explosion - protection

What items are inspected in the periodic inspection of Ex equipment in use?

Explosion-Proof Electrical Inspection Explosion-proof electrical inspection is a periodic inspection conducted on electrical equipment in use. Its core purpose is to identify and rectify potential issues arising during equipment operation in a timely m

The Relationship Between Ex Certification and 3C Ex Certification

An explosion-proof certificate is akin to a diploma. It certifies that the “student” (your product) has completed all courses and passed the final exam (type test), achieving a qualified result. In contrast, explosion-proof CCC certification is like a

Information on the Validity Term of Ex Certificates

The validity period of a domestic Explosion-Proof Certificate is usually 5 years, calculated from the date of certificate issuance. To help you clearly understand the key time points and precautions during the certificate's validity period, STS has

Basic Knowledge of Intrinsic Safety Ex Certification

Intrinsic Safety (“i”) Explosion-Proof Certification is a certification system for electrical equipment used in hazardous environments. It prevents sparks or high temperatures sufficient to ignite explosive mixtures by limiting energy (electrical and ther

the Documentation List required for Ex Certification

1. Product Description and Parameters (1) Product manual (including application scope, application scenarios, working principle, and main technical parameter……

【2025年最新版】常见的防爆产品认证执行标准

防爆电气设计的具体要求主要依据国家防爆标准GB/T 3836系列。不同防爆型式，如隔爆、本安和正压，都有相应的设计标准。 ‌隔爆设计‌：需要参考GB/T3836.1（通用要求）和GB/T3836.2（隔爆型“d”）的相关要求。‌ ‌增安设计‌：需要参考GB/T3836.1（通用要求）和GB/T3836.3……

产品做防爆认证，是自己做还是选择代理公司好？

产品做防爆认证选择自己做或代理公司需根据企业自身情况决定，主要取决于成本、技术能力和时间要求。下面深圳中诺检测技术有限公司分析代理取证和自己申请的优缺点对比供大家参考。 1、成本与风险 ◆ 自行办理：需承担人工、资源、实验室对接等费用，若资料或产品不符合标准，可能导致重复整改和测试，增加成本。 ◆代理……