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Victrex PEEK Valve Plate Lasts Twelve Times Longer

31 March 2015

Victrex PEEK Valve Plate Lasts Twelve Times Longer

HuanTian Industrial and Victrex are developing a parts material standard for China’s reciprocating compressor industry.

According to Victrex, the efficiency and reliability of reciprocating compressors can be substantially improved through the use of valve plates made of its PEEK. This is the conclusion built on usage results at the end-users of the Chinese compressor component manufacturer HuanTian Compressor and Victrex. It explains that, in a natural gas compressor for example, valve plates made of Victrex PEEK 450GL30 can work continuously for twelve months, whereas steel plates generally fractured after about one month. Now, it says the HuanTian Industrial / Victrex partnership activity has proved that the durable, high-performance polymer has the potential to take its place as the industry standard in China.

The valve plate is a key component in reciprocating compressors with a direct impact on their efficiency and reliability. When steel is used, Victrex claims that steel splinters could cause serious damage to the cylinder, piston and piston ring if the valve plate breaks. It says that the use of Victrex PEEK plates will avoid such asset losses in the future and will provide end users in the oil and gas industry or in fertiliser production plants with a noticeable added value by reducing downtimes and the associated costs.

“Victrex PEEK has proved to be the best material to replace stainless steel valve plates. It has enormous potential for use in China’s oil and gas and chemical industry,” explains Zhu Feng, General Manager of Taizhou HuanTian Industrial. The company has teamed up with Victrex to establish a standard for the China Compressor Standard Committee for the use of Victrex PEEK 450GL30 and 450CA30 as a valve plate raw material.

Besides having a significantly longer service life, Victrex states that PEEK valve plates also help to save energy during the opening and closing process. This is because air flow loss is reduced by their better wear characteristics, surface matching, elasticity and sealability. The polymer plates also produce a lower noise level than steel.

It is understood that process reciprocating compressors account for about 50% of China’s growing compressor market. To address this, Victrex aims to continue development of its metal-replacement technologies in oil and gas and other applications.

Photo provided by Victrex.






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