GB3836-2021 domestic explosion-proof certification standard has been released!

As a professional explosion-proof certification agency, Zhongnuo Testing always strives to stay at the forefront of explosion-proof certification standards and stay informed of the latest explosion-proof certification information! No, the latest explosion-proof certification standard GB3836-2021 has been released! The ……

What is explosion-proof certification? What are the classifications of explosion-proof certification?

Classified by explosion-proof type, it can be divided into intrinsic safety type, explosion-proof type, pouring sealing type, etc; From the perspective of applicable places, it can be divided into gas explosion-proof certification, dust explosion-proof certification, and mining explosion-proof certification; In terms o……

What are the explosion-proof certification agencies? Which one is the most authoritative?

The country has undergone strict and rigorous assessments in authorizing explosion-proof certification institutions. Not only for Nanyang CNex, Shanghai NEPSI, Tianjin PCEC, but also for emerging explosion-proof certification institutions such as Shenyang Institute of Chemical Industry, Beijing Coal Science Institute, ……

Which institutions are doing explosion-proof certification quickly?

Doing explosion-proof certification is actually a matter of mutual cooperation between institutions and enterprises. If the customer does not provide timely drawings or product testing fails, it will delay time. Moreover, institutions are not just focusing on one customer. Of course, if the customer can closely coopera……

How to apply for an explosion-proof certificate and what are the units that issue the explosion-proof certificate?

The country has undergone strict and rigorous assessments in terms of authorization for explosion-proof certificate issuing agencies. Not only for Nanyang CNex, Shanghai NEPSI, Tianjin PCEC, but also for emerging explosion-proof certification institutions such as Shenyang Institute of Chemical Industry, Beijing Coal Sc……

Basic knowledge of explosion-proof packing boxes

Explosion proof packing boxes are widely used for sealing explosion-proof electrical products and cables, commonly including packing type cable entry devices and packing type conduit sealing devices. The filler type cable entry device is generally installed at the connection between the cable port and the explosion-pro……

Design requirements for transparent components in explosion-proof enclosures

Explosion proof electrical equipment is widely used in hazardous areas of Zone 1 and Zone 2 in explosive gas environments. In order to facilitate users to observe and record or distinguish the internal display data, operating status, or achieve the most basic lighting function of the equipment, manufacturing companies ……

Relevant laws and regulations on regular testing of explosion-proof electrical equipment

Regular inspections are a powerful guarantee for the use and explosion-proof safety performance of explosion-proof equipment used in explosive hazardous areas throughout its life cycle, including production, installation, use, inspection, maintenance, and withdrawal from the market. Relevant laws and regulations in our……

Basic requirements for regular inspection of explosion-proof electrical equipment

As a third-party organization specializing in explosion-proof electrical testing, Zhongnuo Testing has unique insights into the explosion-proof testing cycle, standards, qualifications, testing content, processes, and requirements for enterprises and personnel. Below, Zhongnuo Testing will share with you. The basic req……

Explosion proof certificate inquiry center

At present, there are more than ten qualified explosion-proof certification institutions in China, and the qualifications of each major institution are authorized by the national CNAS qualification, with the same qualifications and effectiveness. There is no unified website for checking the explosion-proof certificates……