Welcome to our websites!
News
-
The difference between Non-Rising stem gate valve and rising stem gate valve
A gate valve is a used for medium connection and shut-off, but not for regulation. Compared with other valves, gate valves have a wider range of combined applications in terms of pressure, working oil, design pressure and temperature. According to the thread position of ...Read more -
The Difference Between Floating Ball Valve And Trunnion Mounted Ball Valve
1. Appearance 1.1. The floating ball valve and the trunnion mounted ball valve are still easy to distinguish in appearance. If the valve body has a lower fixed shaft, it must be a trunnion mounted ball valve. (You can refer to the appearance of the ball valve from RXVAL Valves). 1.2. If there is...Read more -
Metal Seat Ball Valve VS Soft Seat Ball Valve
Both meat seat ball valves and soft seat ball valves are more common ball valves, and there are many differences between them. 1. Structure The meat seat ball valve refers to the seal between metal and metal, and the sealing ball and seat are both metal. The seat of ...Read more -
How Triple Offset Butterfly Valve Working
What the design of Triple Offset Butterfly Valve ? With the triple offset butterfly valve there are three offsets. Two are placed in a similar position to the double offset butterfly valve, while the third offset is the geometry of the seating surface, creating a type ...Read more -
How to Repair leaking valves?
If the valve leaks, first we need to find the cause of the valve leakage, and then formulate a valve maintenance plan according to different reasons. The following are the common valve leakage causes and solutions. 1.Body and Bonnet Leaks Reason: ①The casting quality of ...Read more -
How to Install Ball Valve
Preparation before installation: 1. Ensure that the pipeline at the installation position of the ball valve is in the coaxial position, and the two flanges on the pipeline should be kept parallel to confirm that the pipeline can bear the weight of the ball valve itself. If it is found that the p...Read more -
How does a floating ball valve working ?
Floating ball valve design A floating ball valve named because ball-like sphere that “floats” freely inside the valve’s body, which is compressed between two flexible seats while suspended in liquid. What a floating ball valve normally does during operation is float slightly downstream, which cau...Read more -
Gate Valve VS Ball Valve
1. Principle: Ball Valve:The opening and closing part of the ball valve is a sphere, and the purpose of opening and closing is realized by rotating the sphere 90° around the axis of the valve stem. The ball valve is mainly used to cut off, distribute and change the flow direction of the medium o...Read more -
API 600 TRIM CHART-Gate Valve
TRIM MATERIAL SEAT DISK BACKSEAT STEM NOTES 1 410 410 410 410 410 2 304 304 304 304 304 3 F310 310 310 310 310 4 Hard 410 Hard 410 Hard 410 410 410 Seats 750BHN Min 5 Hard faced Stellite Stellite 410 410 5A Hard faced Ni-Cr Ni-Cr 410 410 6 410 and...Read more -
Difference Between Swing Check Valve and Lift Check Valve
Check valves are automatic valves that open with forward flow and close with reverse flow. The pressure of the fluid passing through a system opens the valve, while any reversal of flow will close the valve. Exact operation will vary depending on the type of Check valve ...Read more -
How to Install the Gate Valve
1. When installing the gate valve, it is necessary to clean the inner cavity and the sealing surface, check whether the connecting bolts are evenly tightened, and check whether the packing is pressed tightly. 2. The gate valve is closed during installation. 3. Large-sized gate valves and pneumati...Read more -
How to do API Gate valve maintenance procedures
1. Valve disintegration 1.1 Remove the fixing bolts of the upper frame of the bonnet, unscrew the nuts of the four bolts on the lifting bonnet, turn the valve stem nut counterclockwise to make the valve frame separate from the valve body, and then use a lifting tool to hoist the frame down and pu...Read more