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How to apply for product explosion-proof certification? What is the processing procedure and how much does it cost?

As a professional explosion-proof certification agency, Zhongnuo Testing is familiar with the technical requirements and processing procedures for explosion-proof certification of various products. The basic process of applying for explosion-proof certification at Zhongnuo Testing is as follows: 1. Provide product draw……

Is the effectiveness of explosion-proof certificates issued by different explosion-proof certification agencies the same?

Zhongnuo Testing has been engaged in explosion-proof certification agency services for many years and has encountered various customers. Some clients may specify that we need the certificate issued by Nanyang for consultation, which is more authoritative; Or our product is a flow meter, and we need a certificate issued……

What are the official institutions that provide explosion-proof certification?

In China, when it comes to explosion-proof certification, people always think of companies such as Nanyang Explosion proof Institute and Shanghai Instrument Institute, because they are relatively early engaged in the explosion-proof industry in China and have participated in the drafting and writing of domestic explosi……

Can NEPSI certification be converted to IECEx certification?

People engaged in the explosion-proof industry know that NEPSI certification refers to the explosion-proof certification applied for at NEPSI (National Instrument and Instrument Explosion Safety Supervision and Inspection Station, abbreviated as Shanghai Explosion Prevention Institute), which is one of the most authori……

Do I need to apply for both the explosion-proof certificate and the explosion-proof CCC certificate at the same time?

Many corporate clients may ask about the issue of explosion-proof CCC certification when inquiring about the application for explosion-proof qualification certificate. This indicates that the transitional period for explosion-proof CCC certification is one year, and it is mandatory to implement it for one year or two (……

Which level is higher for Ga and Gb in explosion-proof certification?

Ga, Gb, Gc are the protection levels for equipment used in explosive gas environments and are an essential part of explosion-proof equipment labeling Equipment used in explosive gas environments has a high level of protection. During normal operation, expected or rare faults that occur are not ignition sources. Equipme……

What is an explosion-proof certificate? Where can I handle it?

With the increasing emphasis on safety production by the country, electrical equipment used in various chemical plants, oil stations and depots, grain and oil factories, coal mines and other places must pass the inspection and testing requirements of national explosion-proof standards such as GB3836, and obtain corresp……

Technical requirements for the use of cables in explosion-proof construction sites

1. Electrical circuits should be laid in areas with low explosion hazards or far away from the release source, avoiding places that are prone to mechanical dama……

How to divide the dust explosion-proof area into 20 zones, 21 zones, and 22 zones?

According to the frequency and duration of explosive dust environments, the locations classified as explosive dust environments are divided into three zones. The dust layer, precipitation, and accumulation of combustible dust should be considered as any other source of release that may form an explosive environment. Zo……

Is explosion-proof certification equivalent to intrinsic safety certification? What is the difference between them?

Sometimes customers come to consult Zhongnuo Testing, and they have products that require intrinsic safety certification. What is the difference between this and explosion-proof certification? This involves the issue of explosion-proof certification for various explosion-proof types. In fact, intrinsic safety is just o……