日本黄色三级视频-日本黄色片一级-日本黄色片www-日本黄色免费在线视频-草草影院浮力-草草影视在线观看

The main content of electrical explosion-proof testing

The basic requirements for regular inspection of explosion-proof electrical equipment mainly include the following aspects: 1. Standards and cycles for regular inspection of explosion-proof electrical equipment. With the increasing popularity of explosion-proof electrical appliances, many explosive hazardous areas have……

What drawing materials are required for the intrinsic safety explosion-proof certification of wireless intelligent temperature vibration sensors?

What specific drawings are required for applying for intrinsic safety and explosion-proof certification for wireless intelligent temperature and vibration sensors? 1. General assembly diagram 2, circuit wiring diagram 3, circuit schematic diagram 4, printed circuit board diagram 5, component layout diagram 6, component……

Congratulations to PetroChina for successfully obtaining the explosion-proof certificate of urea injection machine in Zhongnuo Testing

Congratulations to PetroChina for successfully obtaining the explosion-proof certificate of urea injection machine in Zhongnuo Testing

What qualifications are required for explosion-proof performance testing of electrical equipment in explosive hazardous environments?

Whether it is explosion-proof products or explosion-proof electrical testing in explosion-proof areas, CNAS authorization qualifications are required. The explosion-proof testing standards for the product are GB/T3836 and other series, and the explosion-proof electrical testing standards for explosion-proof areas are A……

What are the standards for testing explosion-proof electrical equipment?

This also depends on whether it is for on-site equipment testing or product testing. If it is the testing of equipment used in hazardous areas, it is in accordance with AQ3009-2007 "Electrical Safety and Explosion Prevention Code for Hazardous Areas", and the testing cycle shall not exceed 3 years. If it is p……

Can plastic enclosures be used for equipment in intrinsically safe explosion-proof certification?

Can plastic enclosures be used for equipment in intrinsically safe explosion-proof certification? tolerable. Intrinsic safety, also known as intrinsic safety type, mainly achieves the intrinsic safety of equipment by limiting the energy in the circuit, without limiting the plastic or metal casing. However, there are re……

Process and standards for obtaining explosion-proof certificate for gas analyzer

Process and Standards for Obtaining Explosion proof Certificate for Gas Analyzer 1. Testing Items 1. Structural Inspection 2. Temperature Testing 3. Thermal Shock Test 4. Heat and Cold Resistance Test 5. Impact Resistance Test 6. IP Test 7. Shell Pressure Resistance Test 8. Internal Ignition Non Explosion Test 9. Therm……

Requirements for obtaining the overall explosion-proof certificate of hydrogenation machine

The requirement for obtaining the overall explosion-proof certificate for a hydrogen refueling machine is that the hydrogen refueling machine is a combination of equipment, and applying for explosion-proof certification for this type of equipment as a whole requires the purchase and installation of components with expl……

What should I pay attention to when applying for an explosion-proof certificate?

What should I pay attention to when applying for an explosion-proof certificate? Many customers are confused and don't know where to start when consulting and applying for explosion-proof certification. Based on years of industry experience, Zhongnuo Testing has summarized several precautions for enterprises to apply f……

CCRI Explosion proof Certificate Query Website

Many customers who have obtained explosion-proof certificates say they don't know where to check the authenticity and validity period. In fact, every certification agency in China has a website or phone number for querying explosion-proof certificates, and some certificates also have QR codes for scanning and querying.……