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The ball valves produced by Yongjia Dalunwei Valve Co., Ltd. are not only famous for their excellent quality and performance, but also for their careful packaging.

According to the requirements of article 5.10 of the national standard GB/T24925-2019 low temperature valve technical conditions. For low temperature valves below -100℃, such as austenitic stainless steel, valve body, valve cover, closing parts, valve seat, ...

1,According to the structure:Floating ball valve, fixed ball valve 2, According to the ball assembly:Top type ball valve, side mounted ball valve, split ball valveSide mount can also be divided into (integral, two-stage, three-stage and five-stage) 3, Accord...

Yongjia Dalunwei Valve Co., Ltd. provide high-quality ball valves for the chemical industry.

1. Sealing structure: The sealing structure of the hard sealed ball valve is realized by the tight bite between the metal and the metal, and the sealing is good; The soft seal ball valve is filled with sealing materials, and the tightness depends on the elasti...

ASTM：American Society for Testing and Materials,ASTMANSI：AMERICAN NATIONAL STANDARDS INSTITUTE: ANSIASME：American Society of Mechanical EngineersAPI：American Petroleum InstituteASTM develops and disseminates knowledge about standards for the characteri...

Valve leakage is a critical issue in the operation of pipeline and industrial systems because it can lead to safety hazards, environmental damage, and economic losses. Understanding the definition and causes of valve leakage is critical to implementing effecti...

1. Flange connectionAdvantages:Strong connection, good sealing, suitable for valve connection under harsh conditions such as high pressure, high temperature and corrosive media.Easy to disassemble and repair, easy to maintain and replace valves.Cons:The instal...

As an indispensable control element in fluid piping systems, valves are connected in a variety of ways:1. Flange connectionValves are connected to pipes by matching flanges and bolted fasteners for high temperature, high pressure and large diameter piping syst...

As we celebrate Labor Day, it is important to recognize the hard work and dedication of workers in the ball valve industry. These personnel play a vital role in ensuring the smooth functioning of various industrial processes and systems. From manufacturing to ...