Industry News
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Double Offset Butterfly Valve vs Triple Offset Butterfly Valve？
what is the difference between double eccentric and triple eccentric butterfly valve? For industrial valves, both double eccentric butterfly valves and triple eccentric butterfly valves can be used in oil and gas, chemical and water treatment, but there can be a big difference between these two ...Read more -
How to determine the status of butterfly valve? open or close
Butterfly valves are indispensable components in various industrial applications. They have the function of shutting off fluids and regulating flow. So knowing the status of butterfly valves during operation—whether they are open or closed—is critical to effective use and maintenance. Determinin...Read more -
Introduction of Application and Standard of Butterfly Valve
Introduction of Butterfly Valve The application of butterfly valve: Butterfly valve is a commonly used equipment in the pipeline system, is a simple structure of the regulating valve, the main role is used to ...Read more -
Causes of internal leakage of large diameter butterfly valves
Introduction: In the daily use of large diameter butterfly valve users, we often reflect a problem, that is, large diameter butterfly valve used for differential pressure is relatively large media, such as steam, h...Read more -
The Major Differences Between Forged Gate Valves And WCB Gate Valves
If you are still hesitating whether to choose forged steel gate valves or cast steel (WCB) gate valves, please browse zfa valve factory to introduce the major differences between them. 1. Forging and casting are two different processing techniques. Casting: The metal is heated and melted...Read more -
How to choose the material of WCB/LCB/LCC/WC6/WC for the valve?
W means write, cast; C-CARBON STEEL carbon steel, A, b, and C indicate the strength value of the steel type from low to high. WCA, WCB, WCC represents carbon steel, which has good welding performance and mechanical strength. ABC represents strength level, commonly used WCB. The pipe material corr...Read more -
Causes and solutions to water hammer
1/Concept Water hammer is also called water hammer. During the transportation of water (or other liquids), due to sudden opening or closing of Api Butterfly Valve, gate valves, check vavles and ball valves. sudden stops of water pumps, sudden opening and closing of guide vanes, etc., the flow ra...Read more -
How to convert Valve Pressure PSI, BAR and MPA?
PSI and MPA conversion, PSI is a pressure unit, defined as the British pound/square inch, 145PSI = 1MPa, and PSI English is called Pounds per square in. P is a Pound, S is a Square, and i is an Inch. You can calculate all units with public units: 1bar≈14.5PSI, 1PSI = 6.895kpa = 0.06895bar Europe ...Read more -
Flow characteristics of regulating valve
The flow characteristics of the control valve mainly include four flow characteristics: straight line, equal percentage, quick opening and parabola. When installed in the actual control process, the differential pressure of the valve will change with the change of the flow rate. That is, when the...Read more
