The check valve is an important control element used to prevent fluid backflow. It is usually installed at the outlet of the water pipe and effectively prevents the water from flowing back. There a...
1. Clarify the purpose of the valve in the equipment or device
Determine the working conditions of the valve: the nature of the applicable medium, the working pressure, the working temperature and ...
When the valve is fully open, a sealing device that prevents the medium from leaking to the stuffing box is called the upper sealing device.
When the gate valve, globe valve and throttle valve are ...
The wafer dual plate check valve is also a type of check valve with a rotary actuation, but it is a double disc and closes under the action of a spring. The disc is pushed open by bottom-up fluid, ...
Both the handle lever butterfly valve and the worm gear butterfly valve are valves that need to be operated manually, commonly known as manual butterfly valves, but they are still different in use....
Recently, the Organisation for Economic Co-operation and Development (OECD) released its latest mid-term economic outlook report. The report expects global GDP growth to be 5.8% in 2021, compared w...
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