Manually operated down valve

Product description:

A manual descent valve is a valve that can be operated manually to control the flow and pressure of a fluid. It is usually composed of a valve body, a valve stem, a valve cover and a seat. The working principle of the manual drop valve is to gradually close the valve from the open state by manually rotating the valve stem, thereby reducing the flow rate and pressure of the fluid.

Manual descent valves are commonly used in applications where manual control of fluid flow and pressure is required, such as flow regulation, pressure control, and fluid cut-off in piping systems. Manual lowering valve has the advantages of simple operation, high reliability, wide application range, etc., and is widely used in petroleum, chemical industry, metallurgy, electric power and other industries.

The use of manual lowering valves generally includes the following steps:

1. Open the valve: Turn the valve rod counterclockwise to open the valve and allow fluid to flow through the valve.

2, adjust the flow and pressure: according to the need, the appropriate rotation of the valve rod, control the opening of the valve, so as to adjust the flow and pressure of the fluid.

3. Close the valve: Turn the valve stem clockwise to gradually close the valve and eventually cut off the flow of fluid.

It should be noted that when operating the manual lowering valve, the appropriate operation force should be selected according to the specific situation to avoid too much or too little force causing damage to the valve or failing to close normally. At the same time, the manual lowering valve is checked and maintained regularly to ensure its normal operation and service life.