1, the valve to be installed vertically on a horizontal pipe, do not tilt in all directions. 2, lift check valve, when the valve is installed to ensure that its vertically to lift flexible. 3, swing check valve Taiwan Toyama Valve Co., the installation should ensure that their level of valve pin to swing flexible. 4, stem gate valve Valve Co., Ltd. Guangzhou Kaiheng, do not install in the ground, or corrosion due to moisture exposure of the valve stem. Valves for fluid control systems, from simple shut-off valve to a variety of highly complex automatic control valves used in the system, which is quite wide varieties and specifications. The valve can be used to control the flow of air, water, steam, corrosive media, mud, oil, liquid metals and radioactive fluids and other types of media. Valve according to the material is also divided into cast iron valves, cast steel valves Shanghai Guanlong valve Machinery Co., Ltd., stainless steel valves (201,304,316, etc.), chromium-molybdenum steel valve, chromium molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, and other non-standard custom valve material. Taiwan Toyama Valve Co., Ltd., the Hong Kong _ valve (Online) _ 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.