What Is A Hand Valve?
What Is A Hand Valve? Hand Valve is a valve that requires manual intervention to achieve on-off control. It can change the flow direction or size of the fluid in the pipeline, and has the functions of diversion, cut-off, regulation, throttling, check, shunt or overflow relief. It is an important fluid control element. The working principle of Hand Valve s is usually to operate the valve opening and closing by mechanical means such as rotation or lever. When the valve is open, fluid can flow through the valve; When the valve is closed, the fluid is prevented from flowing. According to the needs of specific applications, Hand Valve s can be operated in a variety of ways, such as hand wheels, handles, levers, sprockets, etc. There are many kinds of Hand Valve s, which can be divided into ball valves , plug valves , butterfly valves , hand wheel valves, etc. Each valve has its own unique characteristics and applications, such as b...