api check valve - Manufacturers, Suppliers, Factory from China

api check valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

How to maintain the gate valve with worm gear?

After the worm gear gate valve is installed and put into work, it is necessary to pay attention to the maintenance of the worm gear gate valve. Only by doing a good job of daily maintenance and mai...
How does the air release valve work?

Air release valves are used in pipeline air of independent heating systems, central heating systems, heating boilers, central air release conditioning, floor heating and solar heating systems. &nbs...
Precautions for operating the valve.

The process of operating the valve is also the process of inspecting and handling the valve. However, the following matters should be paid attention to when operating the valve. ①High temperature v...
The relationship between the specifications of DN, Φ and inch.

What is “inch”: Inch (“) is a common specification unit for the American system, such as steel pipes, valves, flanges, elbows, pumps, tees, etc., such as the specification is 10&#...
What defects are prone to valve castings?

1. The stomata This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
Where the check valve is suitable.

The purpose of using a check valve is to prevent the reverse flow of the medium, and a check valve is generally installed at the outlet of the pump. In addition, a check valve should also be instal...