What is a Valve Positioner, and How Does It Work
- May 29, 2026
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A valve positioner is a device equipped on the pneumatic actuator that to increase or decrease the inlet air pressure to move the valve towards to the correct position. When there is no positioner, the...
Advantages of 321 vs 316 Stainless Steel
- Sep 24, 2025
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When it comes to choosing stainless steel grade, it is very crucial to understand the differences between similar metals. The two most popular types are 321 vs 316 stainless steel. So, what makes them...
Stainless Steel Comparisons 321 347 321H
- Sep 23, 2025
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Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular corrosion...
Stainless Steel Grade 321 (UNS S32100)
- Sep 23, 2025
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Grade 321 Stainless Steel Stainless steel Grade 321 is stabilized austenitic stainless steel. It is stabilized with added titanium with the presence of chromium and nickel in the composition. Titanium...
Differences Between V-port Ball Valve and Standard Ball Valve?
- Jun 25, 2025
- Hits: 81
Ball valve is one of the most common types of valves that are applied in industrial and residential piping systems to control the flow of liquids and gases. Ball valves are classified into standard...
Difference Between V-port Ball Control Valves and Globe Control Valves
- Jul 19, 2023
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In the automation, it will use a v-port ball type control valve or globe type control valve to adjust the medium pressure, temperature, or flow rate, but each type control valve has their differences...
What is Blind Flanges
- Jun 23, 2023
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A blind flange is a solid steel piece with no bore (interior diameter) and primarily designed to cap off a line. As the majority of flange connections allow for the passing through of air or fluid via...
How Does The Pneumatic Actuator of Control Valve Work
- Jun 22, 2023
- Hits: 149
Pneumatic Control Valve Actuators Pneumatic actuators are commonly used to actuate control valves and are available in two main forms; Piston actuators Diaphragm actuators Piston actuators Piston actuators...
What Is Slip-On Flanges
- Jun 08, 2023
- Hits: 48
Slip on flanges are a popular type of pipe flange designed to accept pipe into the bore/center of the flange for welding around both the Outer Diameter (OD) of the pipe and on the interior side of the...
Chemical Composition of Steel ( Carbon steel, Stainless Steel, Special Alloy )
- Dec 30, 2022
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Steel, alloy of iron and carbon in which the carbon content ranges up to 2 percent (with a higher carbon content, the material is defined as cast iron). By far the most widely used material for building...
Double Block And Bleed(DBB) Valve Design and Features
- Oct 26, 2022
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STRUCTURAL FEATURES 1. Double Block And Bleed(DBB) When the valve is closed and the middle cavity is emptied through the discharge valve, the upstream and downstream seats will independently block the...
Stainless Steel Grades Comparison Chart ( ASTM/DIN/JIS/UNS )
- Oct 12, 2022
- Hits: 235
Comparison Table of Stainless Steel Grades Stainless steel is also called as stainless acid resistant steel. It is very good corrosion resistant, aesthetically beautiful, non-fade and easy to clean. Moreover,...