Safety Valve (PRV) versus. Relief Valve (PSV): What is the Difference?
- Jul 06, 2020
- Hits: 880
As we know, there are numerous pressure relief valves available. In the market, we have a tendency to use terms like safety valve and relief valve interchangeably. And typically, this will make sense....
What is Valve Seat and Seat Rings, How Many Different Materials Does They Have ?
- Jun 07, 2020
- Hits: 2076
Introduction The Valve seat or seat ring is used to support the valve plug or disc in a fully closed position and to form a sealing part. Usually the valve seat diameter is the maximum flow diameter of...
What’s the difference between API and ASME standard ?
- May 26, 2020
- Hits: 77
A lot of people in oil industry ofen think about this question: “What is the difference between an ASME and API code? In fact, ASME is actually a construction codes that cover design, fabrication...
API 6D Ball valve VS API 608 Ball valve, How are they different ?
- May 26, 2020
- Hits: 326
API 6D “specification for piping and pipeline valves” while API 608 ” specification for flanged, threaded and welded metal ball valves” provide detailed requirements for ball valves...
How a Control Valve Positioner Works
- May 17, 2020
- Hits: 206
A Control Valve Positioner is a device accustomed to decrease or increase the environment load pressure driving the actuator before the valve’s stem reaches a “POSITION” balanced towards...
What Is a Pneumatic Diaphragm Actuator Of Control Valve
- May 17, 2020
- Hits: 943
Actuator : By themselves, valves cannot control a process. Manual valves require an operator to position them to control a process variable. Valves that must be operated remotely and automatically require...
What Is Pump Flow or Capacity ?
- Apr 20, 2020
- Hits: 309
Pump Flow Pump flow can also be consider as capacity . Most aspects of a pump's performance can be associated with the flow of fluid through the pump. Understanding pump performance involves a basic...
Differences Between Full Port Ball Valves VS Reduced Port Ball Valves
- Apr 13, 2020
- Hits: 2018
Differences Between Full Port Ball Valves VS Reduced Port Ball Valves Full port ball valves provide almost no resistance to flow with the valve Summary: The flow path via a full port valve body is identical...
What is Plug Valve ?
- Aug 06, 2019
- Hits: 278
What is Plug Valve? Plug valve is Quarter-turn rotary motion Valve that utilizes a tapered or round plug to prevent or start the flow. The disk is within plug shape, with a passage to pass through the...
What is a Centrifugal Pump ?
- Aug 06, 2019
- Hits: 92
A centrifugal pump is a mechine that uses rotation to impart velocity to a liquid and then converts that velocity into flow. Lets break that definition down into its components so that we can consider...