久久久成人动漫_91欧美视频在线_另类国产ts人妖高潮系列视频_国产精品成人一区_一区二区精品在线_99视频在线

The following points should be noted when applying for an explosion-proof certificate:

1. Explosion proof mark of the product:Firstly, it is necessary to determine the explosion-proof mark of the product, which is the target explosion-proof level for product evaluation. If it is not yet determined, you can provide us with the location of use, installation method, or product manual of the product so that we can preliminarily evaluate the explosion-proof mark for you.

2. Product rectification cooperation:In the process of applying for an explosion-proof certificate, if the product is still in the design stage or needs to be modified on the basis of the original ordinary product, we can provide full technical guidance and assist in the preparation of certification materials to ensure that you can obtain the explosion-proof certificate in a time-saving and effortless manner.

3. Sample and drawing data:Applying for an explosion-proof certificate requires providing product samples and complete design drawings. If you are a designer or manufacturer, this will be relatively easy; If it is the purchaser or user, additional effort may be required to prepare these materials.
4. Evidence collection cycle:To confirm whether urgent processing is required and whether there is a target date for evidence collection.

5. Required Information:

(1) Product manual and enterprise standard

(2) Design drawing data

(3) Samples and blocks (provided according to specific requirements)

6. Processing procedure:

(1) Collect and organize the necessary drawing and technical information mentioned above.
(2) Preliminary assessment and determination of certification scheme
(3) Both parties have reached a cooperation intention and signed a contract
(4) Shenzhen Zhongnuo Testing will conduct a technical evaluation of your product to ensure that the product and drawings meet explosion-proof standard requirements
(5) Arrange sample testing or on-site testing
(6) Provide explosion-proof testing report and draft certificate
(7) Issue explosion-proof certification.

In addition, the application for the explosion-proof certificate of the whole machine requires that all electrical components must be purchased and installed with explosion-proof certificates, such as solenoid valves, control buttons, control cabinets, sensors, etc. on the equipment, and the installation method of each component must comply with the requirements of GB/T 3836.15-2017 "Explosive Atmosphere Part 15: Design, Selection and Installation of Electrical Installations".
It is worth noting that there are currently multiple institutions in China that can issue explosion-proof certificates, and the certificates of each institution have equal validity. If you need more specific processing procedures or have any questions, please feel free to contact us at any time. We will wholeheartedly provide you with professional services and support.

If you need to apply for an explosion-proof certificate and would like to know more aboutShenzhen Zhongnuo Testing Technology Co., LtdThe service content includes consultation on explosion-proof design, circuit rectification, and full process agency application for explosion-proof certification. Please feel free to consult at any time.