Valve Fire Testing

Valve Fire Testing

Valve Fire Testing is a test used to evaluate the pressure-bearing performance of the valve in or under fire conditions. The verification basis is the internal and external leakage of the valve after the test. Some valves will be used in flammable and explosive conditions. After a certain period of time, they must still have operational performance and certain sealing performance. Therefore, it is necessary to do Fire Testing on the valve. Xinhui Valve is a supplier specializing in the production of high temperature and high pressure valves for power stations. For the safety and quality of the valve, the valve will be Fire tested before leaving the factory.

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Valve Fire Testing
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You Need to Know About Valve Fire Testing!

Valve Fire Testing

The petrochemical industry is one of the pillars industries of the national economy, its production processes are complex and most of the raw materials, semi-finished and finished products used in the production process are flammable and explosive substances, which can easily cause fires and explosions. Due to the potential fire hazard the valves used on some occasions must be specially designed so that we have high sealing and operating performance even after being in contact with high temperatures for long periods of time. To measure the fire resistance of the valves of a specific test: fire resistance test. There are many standards to follow when testing valves for fire resistance, both in China and around the world, and testing methods and standards of judgment also change. Therefore, learning each standard is of great importance to understand the test requirements and improve the fire resistance performance of the valves.

ISO 10497 Valve Testing – Fire Test Requirements for Valves

American API Standard
API 607 fire test for 1/4 turn valves and non metallic seat valves
API 6FA Valve Fire Test Specification
API 6FD Fire Test Specifications for Check ValvesChinese standard
Fire resistance test of JB / T 6899 valves
1- Scope of application
ISO10497 specifies the fire test requirements for valves and fire test methods for valves to verify the pressure resistance performance of valves during and after fire tests. This standard does not include manual transmissions or similar parts of machinery from the valve assembly. The fire resistance test requirements of the transmission device and other types of valve transmission devices (such as electric, pneumatic or hydraulic), require special protection to ensure that the valve can be operated under the conditions established in the test.
2- Matters that need attention
The valve fire test can be dangerous, so personal safety is an essential factor to consider. Due to the structure of the test valve, the test equipment and the fire resistance test, the pressure interface can break dangerously. Therefore, in order to ensure personal safety, adequate protective devices must be installed around the test chamber and other necessary measures must be taken.
3- Experimental principle
  • Put the water-filled pressure valve in closed position for fire resistance test and place the valve in a flame with an ambient temperature of 750 ℃ ~ 1000 ℃ for 30 minutes. (The purpose is to completely enclose the valve in the fire zone to ensure that the valve seat and sealing area are exposed to high combustion temperatures.)
  • Record the amount of internal and external losses during this period
  • After the valve has cooled, it must be subjected to a hydrostatic test to evaluate the pressure bearing capacity of the valve housing, seat and seal.

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Why choose XinHui valve?

Customized on demand

We very much welcome customers to bring your requirements in the industry, our industrial valve solutions include customized on demand! Use the best materials to produce standard compliant valves, If you need valve customization services, please contact us immediately

Valve quality

Xinhui valve strictly controls the quality of the products in each process; on the other hand, it improves the work quality of the employees; and constantly pursues the high performance and high quality of the products, and is committed to becoming the preferred brand of valve products for the majority of users. .

Professional Services

Our salesman will answer your professional industry questions, product questions, transportation questions, etc. Our service personnel are online 7*12 hours. If you encounter time difference problems, please wait patiently for our reply, and we will reply you as soon as possible The problem.

High and new technology

As a high-tech enterprise in China, we can provide complete valve sample drawings, technical support for valve production process, technical support such as maintenance manuals, and strength calculation books. Frequently Asked Questions about Valve Operation.

R&D innovation

Xinhui Valve has invested a lot of manpower and funds in the innovative research and development of valves, and opened laboratories, inspection rooms, and R&D rooms. 20 kinds of new products are developed every year. Customized industry-specific valves for customers, dozens of products under severe valve conditions.


International Standard

The valves we produce meet various international testing indicators, and all kinds of valves are manufactured and accepted according to relevant domestic standards such as GB and JB, as well as international standards such as ANSI, API, JIS, and BS. DIN. Please contact us for special production standards.

We are not only a manufacturer of valves, but also a disseminator of industry knowledge

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