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Listed on Oct 18,2019
VALVE SIZING: WHAT ARE SAFETY FACTORS?
By Admin
When sizing a valve for an application, you may have heard engineers talk about safety factors. What is a safety factor, and why is it necessary to have it factored into the valve's size? A safety factor is essentially a measure of protection against a change in process conditions. It ensures that the valve will still operate as required, even...
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Listed on Oct 18,2019
WHEN CAN BUTTERFLY VALVES BE USED AS CONTROL VALVES?
By Admin
I’ve seen rumblings across a few valve forums about the ability of a butterfly valve to be used as a control valve. Some people say it’s fine to use, others say it’s just a way of cheaping out on the process, that there’s no way a butterfly valve can deliver the control one would need. Who’s right? To get the answer, I called up one of our Sen...
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Listed on Oct 11,2019
What are the Pros and Cons of Mass Air Flow Sensors?
By Admin
This can be observed in multiple automotive applications, where calculating the best air/fuel ratio needs the mass of the gas irrespective of its environment, not only its volume.1 Although, there are also different approaches for alternative devices, for example manifold pressure sensors or speed density measurements for engines. For applicat...
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Listed on Oct 11,2019
What are solenoid valves?
By Admin
Solenoid valves are electrically activated valves, typically used to control the flow or direction of air or liquid in fluid power systems. Used in both pneumatic and hydraulic fluid power functions, the spool or poppet design of most solenoid valves makes them perfect for various functions and applications. The spool or poppet of the valve co...
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Listed on Oct 04,2019
The evolution of dual cylinder actuation
By Admin
Traditional clamp and press mode actuation applications have a rapid stroke at a low force while requiring a steep ramp-up to a high force for a short period. These demanding parameters typically result in the expensive oversizing of the hydraulic infrastructure to meet speed and force requirements. Within this large machine footprint, positio...
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Listed on Oct 04,2019
When should you use stainless steel cylinders?
By Admin
Stainless steel air and hydraulic cylinders are used in applications where corrosion resistance is the utmost priority. Standard cylinders are made from combinations of alloy steel, such as 1018, 1045 and 4140, which are all susceptible to oxidation and rust in humid or wet applications. Even when epoxy painted, carbon steel cylinders exposed to su...
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Listed on Sep 26,2019
Where is bar stock used?
By Admin
The term bar stock is often used in fluid power settings, but it can refer to either one of two quite different things. It can mean piston rod bar stock, the metal rods used in cylinders, or the metal used for manifolds, subplate mounts, and plumbing. This section will examine all of these uses. Piston rod bar stock Hydraulic cylinders are th...
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Listed on Sep 26,2019
What is a flow meter calibration system?
By Admin
A flow meter quantifies the speed at which gas or fluid moves across it. Professionals who specialize in testing and measuring often rely on flow meters wherever the measurement of accurate flow is imperative. There is a wide range of applications (not limited to) such as utilities, energy, HVAC, agriculture, aerospace, the pharmaceutical industry ...
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Listed on Sep 19,2019
The Most Important Things About Electric Contact Pressure Gauge
By Admin
The SE model contact pressures with electric alarm contacts are suitable for controlling or regulating process sequences. The contact opens and closes electric circuits when it comes to the location of the pointer at the strain gauge. Our touch strain gauges with bourdon tube system are used at technique pressures of about 1kg/cm2 and upwards. The ...
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Listed on Sep 19,2019
See Believe Power Genex Positioner, Electropneumatic Positioner
By Admin
Electromechanical positioners are customary pneumatic positioners that have an extra coordinated electro-pneumatic transducer. The transducer gets the DC simple info signal from the control framework and believers it to a corresponding pneumatic sign which is then sent to the routine positioner Almost every See Believe pneumatic positioner has the ...
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Listed on Sep 12,2019
What are the Types of Sensors Used in Industrial Automation?
By Admin
As industry, and society in general, moves towards the next industrial revolution - Industry 4.0 - we are moving towards an age of industrial automation. This automation will manifest itself in many different processes within industry, to not only monitor processes better and improve efficiencies, but also to predict when an issue may occur. I...
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Listed on Sep 12,2019
What are Encoder Sensors?
By Admin
Encoder sensors are a type of mechanical motion sensor that create a digital signal from a motion. It is an electro-mechanical device that provides users (commonly those in a motion control capacity) with information on position, velocity and direction. There are two main types of encoder: linear and rotary. Here, we look at encoder sensors in more...
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Listed on Sep 04,2019
What is Thermal Flow Meter ?
By Admin
Wind chill is a phenomenon common to anyone who has ever lived in a cold environment. When the ambient air temperature is substantially colder than the temperature of your body, heat will transfer from your body to the surrounding air. If there is no breeze to move air past your body, the air molecules immediately surrounding your body will begin t...
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Listed on Sep 04,2019
What is an Orifice Flange ?
By Admin
An Orifice Flange is used in combination with orifice meters to measure the flow rate of oil, gas and other liquids conveyed by the pipeline. Orifice flanges are manufactured to ASME B16.36 in multiple sizes and, material grades. An orifice flange is used to measure the flow of the fluid conveyed by the pipeline via a flow nozzle positioned on...
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Listed on Aug 22,2019
CAN A BALL VALVE BE USED AS A CONTROL VALVE?
By Admin
If you have basic valve knowledge, you are probably familiar with ball valves – one of the most common types of valves available today. A ball valve is typically a quarter-turn valve with a perforated ball in the middle to control flow. These valves are known for being durable with excellent shutoff, but don’t always offer very precise control. Let...
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Listed on Aug 22,2019
What’s Wrong With Your Actuator? 5 Things to Check
By Admin
About a year ago, we published a blog post called 40 Reasons Your Actuator Isn’t Working. Since then, the article has generated thousands of views, and it continues to get hundreds more every month. While there may be 40 reasons valve actuators may stop working, there are really only a handful of components that can cause the problems. So, if ...
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Listed on Aug 14,2019
IMI Norgren pressure switches and fittings
By Admin
At Instronline, we supply a vast range of pressure switches and fittings from pressure experts Norgren. In this blog, we look at their product line in more detail, as well as taking a closer look at how Norgren pressure switches work, what pressure switches to use and how they work in conjunction with air compressors. Norgren’s pressure switch...
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Listed on Aug 14,2019
4 Benefits of Digital Valve Positioners
By Admin
What if I told you there was one simple plant upgrade you could make to be more competitive? This isn’t a hypothetical exercise. By upgrading your valve positioners from analog to digital, you will be able to maximize your plant productivity and increase your standing in today’s competitive market. Here are four advantages of digital valv...
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Listed on Aug 05,2019
Tips for Upgrading to Digital Valve Positioners
By Admin
Are you ready to take your plant productivity to the next level by upgrading to digital positioners for your control valves? Your plant managers, your maintenance staff, and your bottom line will thank you. If you’re just starting out, the digital transformation process can be daunting. But moving from analog to digital positioners doesn’t hav...
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Listed on Aug 05,2019
What is a Digital Positioner and Why Should You Use One?
By Admin
A valve positioner is a device mounted on the actuator that exerts or reduces air pressure as necessary to make sure the valve achieves the correct position. When there is no positioner, the control signal goes directly to the actuator. When a positioner is installed, it intercepts this signal and then outputs a different signal to the actuato...
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Listed on Jul 30,2019
How accurate can a Coriolis Flow Meter be?
By Admin
Mass flow measurement is the basis of most recipe formulations, material balance determinations, and billing and custody transfer operations throughout industries that need to measure flow. With these being the most critical flow measurements in a processing plant, the reliability and accuracy of mass flow detection is very important. In the p...
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Listed on Jul 30,2019
Tuning a PID Controller
By Admin
Heat treatment processes exemplify the need for PID control. To ensure consistent product quality the temperature inside an oven or furnace must be kept within narrow limits. Any disturbance, such as when a product is added or withdrawn or a ramp function is applied, must be handled appropriately. Although simple in concept, the mathematics underpi...
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Listed on Jul 23,2019
How to Maintain and Determine Calibration Frequency of Equipment
By Admin
The quality of the products manufactured by any enterprise can directly be associated with the accuracy of the instruments producing them. If the instruments are not calibrated properly, or if they are damaged and need repair work, they will surely affect the end products. ISO calibration lists out the general requirements for the competence of tes...
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Listed on Jul 23,2019
Temperature Effects on Pressure Gauges
By Admin
Effects of Temperature Changes in ambient temperature affect the accuracy of gauges in several ways. Range shift is caused by the change in modulus of elasticity of the bourdon. This effect increases proportionately as the pressure increases. As a general rule, the loss of accuracy will be an additional 1% of full scale reading for every 50°F chan...
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Listed on Jul 17,2019
How to choose pneumatics in food and beverage processing
By Admin
Recently, a food processing OEM was designing and installing a new line of extremely high-speed filling machines intended to deliver higher performance with a smaller shop floor footprint. Redesigning the pneumatic valve system in the OEM’s machinery using collective wiring and stainless-steel filter-regulators cut the size of the overall footprint...
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Listed on Jul 17,2019
What is a pressure gauge?
By Admin
A pressure gauge is a fluid intensity measurement device. Pressure gauges are required for the set-up and tuning of fluid power machines, and are indispensable in troubleshooting them. Without pressure gauges, fluid power systems would be both unpredictable and unreliable. Gauges help to ensure there are no leaks or pressure changes that could affe...
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Listed on Jul 08,2019
Which Types of Flow Meters Are Best for Industrial Use?
By Admin
Several distinct features in liquid flow meters differentiate them on the basis of their functionality and accuracy. To help select the best model for a particular use without overspending, consider the options below for volume-based meters. Coriolis Meters Coriolis meters use two designs to provide true mass flow measurement; one is a single...
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Listed on Jul 04,2019
The benefits of solenoid valves
By Admin
Solenoid valves are used widely in pneumatic as they allow fast responses, automated actuationand are ideal for fail-safe systems due to their immediate reaction to a cut in the energy source. What are pneumatic solenoid valves? A solenoid valve is an electromechanically controlled valve. Its main feature is an electromagnet consisting of a s...
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Listed on Jun 27,2019
What Is a Vibration Sensor | Types of Vibration Sensors?
By Admin
In this article, we are going to talk about the different types of vibration, the different types of vibration sensors, and how to choose a vibration sensor based on parameters. For optimum performance of the machines, it is necessary to continuously monitor the parameters like speed, temperature, pressure, and vibration. Monitoring chang...
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Listed on Jun 27,2019
Improving Performance of Industrial Equipment Using Pressure Transducers
By Admin
Used to convert fluid pressure into electrical signals which can monitor and control systems, pressure transducers have become an invaluable tool for the protection and optimization of industrial equipment. Innovative Construction Methods The sophisticated design and resilience are the result of highly innovative and carefully controlled cons...
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Listed on Jun 14,2019
What is a pressure transducer, what does it measure, and how does it work?
By Admin
Some people think that “pressure transducer” and “pressure transmitter” mean the same thing, but they don’t. All pressure transmitters have pressure transducers and some even have more than one. As a matter of fact, some have more than one. What is a pressure transducer? A pressure transducer converts the pressure on the sensor into an analog...
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Listed on Jun 14,2019
DIFFERENCE BETWEEN ABSOLUTE AND INCREMENTAL ENCODERS?
By Admin
In this article, we will discuss the various types of encoders and which encoder may be used for which function. we are going to discuss the difference between Absolute and Incremental encoders and which one may be used for which function. Encoder Types and Technologies There are many types of encoders but they basically fall into tw...
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Listed on Jun 06,2019
Information About Ultrasonic Flowmeter
By Admin
Ultrasonic flowmeters use sound waves to determine the velocity of a fluid flowing in a pipe. At no flow conditions, the frequencies of an ultrasonic wave transmitted into a pipe and its reflections from the fluid are the same. Under flowing conditions, the frequency of the reflected wave is different due to the Doppler effect. When the fluid moves...
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Listed on Jun 06,2019
What is a Tachometer?
By Admin
A tachometer is a sensor device used to measure the rotation speed of an object such as the engine shaft in a car, and is usually restricted to mechanical or electrical instruments. This device indicates the revolutions per minute (RPM) performed by the object. The device comprises of a dial, a needle to indicate the current reading, and marki...
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Listed on May 28,2019
WHAT IS A VFD?
By Admin
Today you will learn about VFD. Specifically, what it is and when do we use it with automation and PLCs. So what exactly is a VFD? Well, it stands for Variable Frequency Drive. They are used for running an AC motor at variable speeds or let them ramp up their speed to give them a smooth startup. Some people simply call them drives. ...
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Listed on May 28,2019
The 7 Best Vortex Flow Meters On The Market
By Admin
Vortex flow meters are broad spectrum flow meters one can use in areas of metering, measuring and control of liquid, gas or mostly steam flow. Many prefer these devices due to their high stability, the versatility of medium and their high reliability. As such, the petroleum and chemical industries, as well as metallurgy, food, paper, urban pip...
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Listed on May 22,2019
What do you need to know about control valve positioners?
By Admin
So far, we’ve talked about control valves as basically body and actuator. Depending on the application, you may need some accessories to beef it up. Today, let’s review one of the most important, valve positioners. What’s a valve positioner? Valve positioners translate signals from the control system to send the right pressure to an actuator....
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Listed on May 22,2019
Electro Pneumatic Positioner? How It's Works ?
By Admin
The electro -pneumatic positioner is used in Control Valves with pneumatically operated actuators. The valve is operated by means of electrical controller or Control Systems With an control signal of 4 to 20 mA or split ranges of 4~12/ 12~20 mA. Electro-Pneumatic Positioner converts this control signal into a pneumatic output in proportion to...
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Listed on May 15,2019
Where Are Manifolds Used?
By Admin
Manifolds are used in my many fluid power applications, depending upon the application. Manifolds are used in hydraulics as well as pneumatics, and can be used to mount valves or to consolidate plumbing. When used for mounting valves, they are the interface between the valves and the ports to be plumbed into. With industrial style hydraulic va...
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Listed on May 15,2019
How Needle Valve Works ?
By Admin
Needle valves are designed to allow precise flow control. Its name is derived from the sharp pointed disc and matching seat. They are extensively used for continuous blow-off or chemical feed control services. The stem threads are finer than usual so that considerable movement of the hand wheel is required to increase or decrease the opening t...
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Listed on May 08,2019
Interesting Facts about Liquid Flow Meters and Sensors
By Admin
Liquid Flow Meter A liquid flow meter is a device, which is utilized to gauge the flow of a liquid. A liquid flow meter is also a useful device when it comes to gauge the volume of liquid that flows through the pipes. A liquid flow meter is commonly deployed in most of the industrial as well as domestic areas in order to deliver the accurate m...
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Listed on May 08,2019
Which Types of Flow Meters Are Best for Industrial Use?
By Admin
Several distinct features in liquid flow meters differentiate them on the basis of their functionality and accuracy. To help select the best model for a particular use without overspending, consider the options below for volume-based meters. Coriolis Meters Coriolis meters use two designs to provide true mass flow measurement; one is a single...
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Listed on May 03,2019
What is HART, Foundation Fieldbus & Profibus ?
By Admin
HART stands for ‘Highway Addressable Remote Transducer’ and is a standard originally developed as a communications protocol for control field devices operating on a 4-20 mA control signal. The HART protocol uses 1200 baud Frequency Shift Keying (FSK) based on the Bell 202 standard to superimpose digital information on the conventional 4-20 mA ...
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Listed on May 03,2019
Pressure Gauges : Common Causes for Failures and Their Effective Solutions
By Admin
Pressure or vacuum gauges, if get damaged or don’t function properly can lead to leaks and emissions which may result in contamination of workplace or in some cases a fire explosion. Such unfortunate incidents not only cost lives of those working with and around the pressure gauges, but also major financial loss to the Company. One of the fail...
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Listed on Apr 08,2019
Which are the available configuration levels for pressure sensors?
By Admin
The various possible configuration levels for a pressure measurement solution are not defined conceptually in any standard. At WIKA we have chosen the following terminology: Pressure sensor (pressure transmitter) A pressure sensor (also pressure transmitter) delivers a standardised, processed signal within a housing with commonly available pr...
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Listed on Apr 08,2019
When to use a Diaphragm Seal ?
By Admin
Process measurement sensors are not indestructible. Not even the most rugged device is fully immune to the chemical nature of process media or the kinetic impact associated with fluid composition and movement. Balancing degrees of protection, usually to increase the useful life of the device, with sensor response and accuracy is a frequent cha...
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Listed on Apr 02,2019
Types of Sensors used in Vibration Measurement
By Admin
DIFFERENT SENSOR TYPES USED FOR VIBRATION MEASUREMENTS 1. VELOCITY SENSORS Electromagnetic linear velocity transducers : Typically used to measure oscillatory velocity. A permanent magnet moving back and forth within a coil winding induces an emf in the winding. This emf is proportional to the velocity of oscillation of the magnet. This perma...
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Listed on Apr 02,2019
What is Keyphasor ? How does Keyphasor works ?
By Admin
A transducer that produces a voltage pulse for each turn of the shaft, called the Keyphasor. This keyphasor signal is used primarily to measure rotating shaft speed and serves as a reference for measuring vibration phase lag angle. It is an essential element in measuring rotor slow roll bow or runout information.The Keyphasor transducer is typ...
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Listed on Mar 25,2019
Mass Flow Meters
By Admin
Many traditional flowmeter technologies respond to the volumetric flow rate of the moving fluid. Velocity-based flowmeters such as magnetic, vortex, turbine, ultrasonic, and optical generate output signals proportional to the speed of fluid molecules and nothing else. This means that if the fluid flowing through one of these flowmeter types were to...
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Listed on Mar 25,2019
Coriolis Mass Flow meter as a Multi Variable Transmitter
By Admin
The tubes within a Coriolis flowmeter are shaken at their mechanical resonant frequency to maximize their shaking motion while minimizing electrical power applied to the force coil. The electronics module uses a feedback loop between the sensor coils and the shaker coil to maintain the tubes in a continuous state of resonant oscillation. ...
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