ztzn explosion-proof

On 2 Jul, 2019, the IEC auditor, Ms. Neha Kulkarni, came to the ZTZN factory, located in Shengtai Industrial Zone Funiu Road Nanyang City Henan Province China to conduct the IEC auditing.

On 2 Jul, 2019, the IEC auditor, Ms. Neha Kulkarni, came to the ZTZN factory, located in Shengtai Industrial Zone Funiu Road Nanyang City Henan Province China to conduct the IEC auditing.

The audit processing started at 09:30 AM, Ms. Neha Kulkarni and her co-auditor, Mr. Wan from the Nofity Body, first presented the 2-days audit planning, and listened to the brief introduction about the ZTZN’s main team who affect the explosion proof products safety addressed by the technical director, Mr. Zhu.

The audit was mainly carried out through two parts. 1. To evaluate the documents and regulations, including the duty assignment. 2. Workshop checking, sample inspection and hydro test performing.

Ms. Kulkarni and Mr. Wan went through the very details of the company’s Ex documents and regulations, and provided the specific evaluation on all the parts. Their professional working attitude set a great sample to us to work strictly compliance with the IEC Ex requirements.

The hydro test was successfully performed by one of our technicians and both Ms. Kulkarni and Mr. Wan went through our factory workshops in the company of Mr. Zhu, the technical engineer after they inspected the sample we pre-manufactured according to the design that is being applied for the IEC Ex certificate.

About IECEx

IECEx is an international system for certification of equipment for use in explosive atmospheres. Its quality assessment specifications are based on standards prepared by the International Electrotechnical Commission (IEC). The objective of these IECEx standards is to maintain the required level of safety while facilitating international trade in equipment and services for use in explosive atmospheres

What Can Create an Explosion?

● Explosion requires three contributing elements:

● Flammable substance in ignitable quantities (e.g., flammable dust/particulates or gases/mists)

● Oxygen (typically in the air)

● Ignition source (e.g., a spark, electrostatic discharge, open flames)

Where is the Ex-equipment commonly used?

Any industry/operation that manufactures, processes or uses materials that may be flammable. For example:

● Automotive refueling stations

● Oil refineries, rigs and processing plants

● Chemical processing plants

● Printing industries (paper and textiles)

● Aircraft refueling stations and hangars

● Surface-coating industries

● Sewage treatment plants

● Gas pipelines and distribution centers

● Grain handling and storage operations

● Woodworking areas

● Metal surface-grinding operations, especially aluminum dusts and particles



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