The Butterfly Valve is coupled to a handle, gear operator or actuator that rotates the shaft of the metal disc attached to the interior of the valve by 90°.
The valve sealing surface is generally selected according to: 1. Operating temperature of the valve. 2. Working pressure and corrosiveness of the medium. 3. Th
1. What is the nominal pressure PN (MPa)? The reference value relating to the pressure resistance of the piping system component refers to the design given pres
Sometimes there are some troublesome problems in the use of the valve. For example, if the valve is not tight, what should we do? First, the valve sometimes su
A knife gate valve is a component that utilizes a blade to cut through clogging of heavy liquids. These valves were designed to work in some of the most corrosi
Fully welded ball valves, act as one of the most trusted valves in the petroleum industry, suitable for oil & gas production, processing and distribution. It
The low emission test is generally according to the standard ISO15848, and ISO15848-1 is a type test, where the number of switching times is relatively large, a
A pipe strainer can capture and remove the impurities from the pipeline by interrupting the process flow with a perforated plate or screen mesh. Normally spea
Screwed End Type Screwed end is simple connection method often used for small valves. This connection is usually made by machining the valve in and out of the
The maintenance principles during valve operation are as follows:1. Keep the outside of the valve and the moving parts clean to protect the integrity of the val
Today, we would like to show you some photos of ball valves we just manufactured. The uniformed paint color is RAL 9010. We also have special requirement on the
Many kinds of valves can have a heating jacket, such as gate valves, check valves and plug valves. A heating jacket is usually made of steel plate, and rolle