Valve type valve should normally shows the type of drive, connection type, structural features, sealing surface material, body material and nominal pressure and other factors. Standardized valve type of valve design, use, sell more convenient. Valve type and material of today, more and more Shanghai Guanlong valve Machinery Co., Ltd., the model designation valve is also increasingly complex. Although China unified standard valve model designation, but increasingly unable to meet the development needs of industrial valves. Who can not use new valve standard numbers, each manufacturer may need to develop their own models. Truncated: such as gate valves, globe valves, plug valves, ball valves, butterfly valves, needle valves, diaphragm valves, etc. Truncated type valve closed valve, also known as Taiwan Toyama Valve Co., Ltd., the cut-off valve, and its role is to connect or disconnect the line of media. Check valves, check valves, also known as a one-way valve or check valve Guangzhou Kaiheng Valve Co., Ltd., is a kind of automatic check valve, its role is to prevent the line of medium back, to prevent the pump and drive motor counter turn, and leak-proof container media. Pump water off the end of the valve also belongs to check class. Proof valves, valves and other accidents, the safety valve is to prevent the line or device medium pressure exceeds a predetermined value, so as to achieve security purposes. Regulating valves, throttle valves and pressure relief valve, and its role is to regulate media pressure, flow and other parameters. Tianjin Tanggu valve limited liability company, the Hong Kong valves (online consultation), the valve provided by the Dongguan Science and Technology Co., Ltd., the Hong Kong valve. Valve Co., Ltd., Dongguan Ming Kong (www.gdmgfm.com) is Dongguan, butterfly leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Ming Kong valve leadership with the staff warmly welcome all inquiries negotiations to create a better valve out of Hong Kong in the future.