Valve connection type – Ferrule connection
Ferrule connection has only been developed in China in recent years. Its connection and sealing principle is that when the nut is tightened, the ferrule is under pressure to make its edge bite into the outer wall of the pipe, and the outer conical surface of the ferrule is close to the conical surface in […]
General classification of valves
This classification method is divided by principle, function and structure. It is the most commonly used classification method at home and abroad. It is generally divided into gate valve, stop valve, throttle valve, instrument valve, plunger valve, diaphragm valve, plug valve, ball valve, butterfly valve, check valve, pressure reducing valve, safety valve, drain valve, regulating […]
Valve connection type
All the above connection forms use external force to offset the medium pressure and realize sealing. The following describes the connection form of self tightening by using medium pressure. Its sealing ring is installed at the inner cone and forms a certain angle with the side opposite to the medium. The medium pressure is transmitted […]
Valves are classified by function and purpose
(1) Block type: such as gate valve, stop valve, plug valve, ball valve, butterfly valve, needle valve, diaphragm valve, etc. Block valves, also known as closed-circuit valves and stop valves, are used to connect or cut off the medium in the pipeline. (2) Check type: such as check valve, which is also known as one-way […]
Solution to loud noise of regulating valve
(1) Method of eliminating resonance noise Only when the regulating stainless steel valve resonates, can there be energy superposition and produce strong noise of more than 100 dB. Some show strong vibration and low noise, while others have weak vibration and very high noise; Some have high vibration and noise. This noise produces a single […]
Can you tell the difference between floating ball valve and fixed ball valve?
Floating ball valve The ball of floating ball valve is floating. Under the action of medium pressure, the ball can produce a certain displacement and press tightly on the sealing ring at the outlet end to ensure the sealing at the outlet end. It is a one-sided forced sealing.
Cangzhou Risen Metal Mfg. Co. Limited. wishes you a happy May Day！
May day, also known as international labor day and labor day, is the labor day of most countries in the world. The festival originated from the workers’ strike in Chicago. In order to commemorate the great workers’ movement, the second international founding conference in 1889 announced that may 1 of each year would be designated […]
Brief introduction of SP114 Class 150 Cast Threaded NPT 45° Elbow
SP114 Class 150 Cast Threaded NPT 45° Elbow
What is Threaded flange
Threaded flange refers to a kind of flange connected with pipeline by thread. In design, it can be treated as loose flange. The utility model has the advantages that welding is not required, and the additional torque to the cylinder or pipeline caused by flange deformation is very small. The disadvantage is that the flange […]
Parameter selection of water pump
Water supply booster station is an effective measure to alleviate the shortage of urban water supply pressure. Its core is to lift the pump station, and the core of the pump station is the pump. The selection of pump station directly affects the normal operation of water pump station. Centrifugal pump is usually used in […]
