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Listed on Jun 05,2020

Difference between contactors and relays

By Admin

Contactors and relays are two closely related terms leading to confusions and misinterpretations most of the times. Both of them are electrically operated switches used for control and switching of loads. The basic principle of operation of the contactor and the relay are the same. The difference between them is in term of their application and whe...

Listed on Jun 05,2020

Pressure Switch Basics and Selection Tips

By Admin

Pressure switches are commonly used in a wide variety of industrial and commercial applications. To meet the varying demands of these applications, numerous pressure switch designs are available. The key to selecting the best pressure switch for your application is understanding the differences in pressure switch designs. Sensing Technologies ...

Listed on May 06,2020

Advantages and Disadvantages of Pneumatic Instruments

By Admin

The disadvantages of pneumatic instruments are painfully evident to anyone familiar with both pneumatic and electronic instruments. Sensitivity to vibration, changes in temperature, mounting position, and the like affect calibration accuracy to a far greater degree for pneumatic instruments than electronic instruments. Compressed air is an expensiv...

Listed on May 06,2020

Types of Bourdon Tube

By Admin

Basically they are designed to follow the physical law that, within the elastic limit, stress is proportional to strain (Hooke’s Law), that is deflection is proportional to the pressure applied. Types of Bourdon Tube There are 3 main types of elastic elements for pressure measurement, namely -- Bourdon Tubes, -- Bellows, and -- Diaphra...

Listed on Apr 30,2020

5 REASONS TO INSTALL A VALVE ACTUATOR

By Admin

When I walked out into our Service Center last week, I was surprised to see 5 extremely large gate valves sitting on the floor. According to our valve technician, he was going to be adding actuators to control the isolation valves. Though opening and closing the valves could be achieved by using the hand wheels that came with the valve, it would be...

Listed on Apr 30,2020

WHAT IS A PRESSURE SENSOR?

By Admin

If you are reading this article, then you are probably wondering what exactly is a pressure sensor. Today, we will hopefully cover all of the questions you may have about pressure sensors. What is Pressure? To understand pressure sensors, first, you need to understand the pressure. Pressure is an expression of force exerted on a surf...

Listed on Apr 20,2020

What is an Orifice Meter?

By Admin

An orifice meter is a conduit and a restriction to create a pressure drop. An hour glass is a form of orifice. A nozzle, venturi or thin sharp edged orifice can be used as the flow restriction. In order to use any of these devices for measurement it is necessary to empirically calibrate them. That is, pass a known volume through the meter and note ...

Listed on Apr 20,2020

What Is Water Flow Meter And What Type Of Application Is Suited For It?

By Admin

Water flow meters are used to measure the volume of water used in commercial and residential buildings. The water is supplied to homes and offices via a public water supply system. Water meters may also be used at water sources or throughout the water system to calculate the flow rate of a part of the system. Water flow meters may also measure the ...

Listed on Apr 15,2020

Pneumatic Actuator (Air Cylinder) Basics

By Admin

There are thousands of industrial applications that require a linear motion during their operation sequence. One of the simplest and most cost effective ways to accomplish this is with a pneumatic actuator. Pneumatic actuators are also very clean operating because the operating fluid is a gas, which prevents leakage from dripping and contaminating ...

Listed on Apr 15,2020

Control electronics for proportional valves at Instronline

By Admin

For simple and inexpensive control of a proportional valve, Wandfluh, based in Frutigen, Switzerland, has developed the PD3 digital amplifier electronics unit. The device can mount directly on a solenoid coil or connect to a standard solenoid coil with a cable. The product has a standardized IO-Link interface. It permits digital communication,...

Listed on Mar 30,2020

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...

Listed on Mar 30,2020

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 ...

Listed on Mar 19,2020

Types of Sensors used in Vibration Measurement

By Admin

BRIEF EXPLANATION OF VIBRATION SENSOR PRINCIPLES: 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 permanent ...

Listed on Mar 19,2020

What Types of motors can be used with variable frequency drives?

By Admin

The various types of industrial motors that can be used with variable frequency drives are: Dc motor: dc motors are still in production although the number of active manufacturers has decreased considerably, specifically those that are still manufacturing large dc motors (> 1 MW). Ac asynchronous squirrel cage motor: This type of motor...

Listed on Mar 13,2020

Types of Bourdon Tube

By Admin

Basically they are designed to follow the physical law that, within the elastic limit, stress is proportional to strain (Hooke’s Law), that is deflection is proportional to the pressure applied. Types of Bourdon Tube There are 3 main types of elastic elements for pressure measurement, namely -- Bourdon Tubes, -- Bellows, and -- Diaphra...

Listed on Mar 13,2020

A brief guide on the types of automation

By Admin

Automation is the trend today, everywhere universally. It is the changing the work efficacy to a great extent and also referred to as automatic control. It is being used in factories, automobile, paper, packaging industry, etc. There are even some processes in which they are completely automated and did you know for a fact that there are sever...

Listed on Mar 06,2020

Water flow meter: the most important types and applications

By Admin

All water flow meter types have unique working principles, specific benefits, and costs. A water flow meter measures the amount of water flowing through a pipe. There are several working principles to choose from, depending on the application, maintenance needs, and budget. The four most common water flow meter types are turbine (also called m...

Listed on Mar 06,2020

Clamp-on ultrasonic flow meter: types, advantages, and applications

By Admin

Clamp-on ultrasonic flow meters are portable metering devices that measure volume flow in industrial applications from outside the pipe wall, without breaking the line, using ultrasound. Most flow meters have to be mounted inside the pipe (inline), which takes more time and requires the machinery to be dismounted and the work paused. Portable ...

Listed on Feb 28,2020

Principle, Limitations, Calibration and configuration of Ultrasonic Level Transmitter

By Admin

Measurement principle Continuous non‐contacting ultrasonic level measurement is based on the time of flight principle. An ultrasonic level instrument measures the time between sound energy transmitter from the sensor, to the surface of the measured material and the echo returning to the sensor. As the speed of sound is known through the ...

Listed on Feb 28,2020

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...

Listed on Feb 24,2020

Advantages and Disadvantages of Pneumatic Instruments

By Admin

The disadvantages of pneumatic instruments are painfully evident to anyone familiar with both pneumatic and electronic instruments. Sensitivity to vibration, changes in temperature, mounting position, and the like affect calibration accuracy to a far greater degree for pneumatic instruments than electronic instruments. Compressed air is an expensiv...

Listed on Feb 24,2020

What are the Orifice Plate Flow Requirements?

By Admin

The orifice flow meter is a well-established flow measurement method. The sizing, dimension, and installation requirement is dictated by the ISO 5167-1 & ISO 5167-2. Basically, the orifice sizing is involving a coefficient that was determined from the empirical test. This coefficient is the coefficient of discharge. During the test, the fl...

Listed on Feb 13,2020

What is a PID Controller?

By Admin

A PID controller is an instrument used in industrial control applications to regulate temperature, flow, pressure, speed and other process variables. PID (proportional integral derivative) controllers use a control loop feedback mechanism to control process variables and are the most accurate and stable controller. PID control is a well-establ...

Listed on Feb 13,2020

What is a Coriolis Flow Meter and how does it work

By Admin

A Coriolis flow meter is a type of mass flow meter. It is designed differently and works differently than thermal or differential mass flow meters. The first industrial Coriolis patents date back to the 1950s with the first Coriolis mass flow meters built in the 1970s. How Does a Coriolis Flow Meter Work? A Coriolis mass flow meter measures m...

Listed on Jan 31,2020

Why is Industrial Automation Important?

By Admin

Over the past years, there has been a positive growth in the global industrial automation industry. According to a report, industrial automation market is expected to reach USD 153.83 Billion by 2022, growing at a CAGR of 5.10% between 2017 and 2022. Moreover, usage of automation techniques is on the rise and is expected to continue rising for the ...

Listed on Jan 31,2020

All You Need to Know About Ball Valves

By Admin

What are Ball Valves? Ball valves are quarter-turn valves that use a hollow, perforated, and pivoting ball to control the flow of materials from one opening to the next. The valve can be open, closed, or partially open to allow gasses, liquids, and slurry materials pass through it. Ball valves are used in applications where tight shut-off is requi...

Listed on Jan 23,2020

Ball Valve vs. Gate Valve: Which One is Better For Your Application?

By Admin

Valves are an important component of any kind of piping system. They help start, stop, and regulate the flow of materials and prevent leaks and unwanted flow. Valves are vital to the operations of many machinery and equipment across various industries and applications. It is hard to imagine a set-up where valves are not involved. However, not all v...

Listed on Jan 23,2020

Types of Sensors Used in Industrial Automation

By Admin

A Sensor is a device that identifies the progressions in electrical or physical or other quantities and in a way to deliver a yield as an affirmation of progress in the quantity. In simple terms, Industrial Automation Sensors are input devices which provide an output (signal) with respect to a specific physical quantity (input). Sensors used i...

Listed on Jan 14,2020

Guidelines For Selecting Right Valve For Your Industrial Application

By Admin

Industrial valve selection criteria Basic knowledge on the industrial performance requirements, is an important factor which is going to make your valve selection procedure easier. It is advisable to keep the following five points in mind, before starting the valve selection procedure, to ensure that you exactly know what you are looking for: ...

Listed on Jan 14,2020

A Guide For Selecting Industrial Transmitters For Manufacturing Industry

By Admin

In terms of pressure and temperature, the industrial transmitters are types of electronic devices, that are designed to provide accurate measurements. The usage of transmitters allows for the monitoring and control of applications, thus ensuring stability, reliability, and safety of processes. Moreover, the industrial transmitters are designed with...

Listed on Jan 03,2020

Control electronics for proportional valves at Instronline

By Admin

For simple and inexpensive control of a proportional valve, Wandfluh, based in Frutigen, Switzerland, has developed the PD3 digital amplifier electronics unit. The device can mount directly on a solenoid coil or connect to a standard solenoid coil with a cable. The product has a standardized IO-Link interface. It permits digital communication,...

Listed on Jan 03,2020

WHAT IS A PRESSURE SENSOR?

By Admin

If you are reading this article, then you are probably wondering what exactly is a pressure sensor. Today, we will hopefully cover all of the questions you may have about pressure sensors. What is Pressure? To understand pressure sensors, first, you need to understand the pressure. Pressure is an expression of force exerted on a surf...

Listed on Dec 26,2019

5 REASONS TO INSTALL A VALVE ACTUATOR

By Admin

When I walked out into our Service Center last week, I was surprised to see 5 extremely large gate valves sitting on the floor. According to our valve technician, he was going to be adding actuators to control the isolation valves. Though opening and closing the valves could be achieved by using the hand wheels that came with the valve, it would be...

Listed on Dec 26,2019

BASICS OF VALVE POSITIONERS

By Admin

There are a lot of different types of valve positioners out there. How do you know if you need a pneumatic, electric or electro-pneumatic positioner? In this post, we'll cover the basics of valve positioners in general, as well as an overview of the different valve positioner types. A valve positioner is a device that adjusts the valve actuato...

Listed on Dec 19,2019

Pneumatic Actuator (Air Cylinder) Basics

By Admin

There are thousands of industrial applications that require a linear motion during their operation sequence. One of the simplest and most cost effective ways to accomplish this is with a pneumatic actuator. Pneumatic actuators are also very clean operating because the operating fluid is a gas, which prevents leakage from dripping and contaminating ...

Listed on Dec 19,2019

Pressure Switch Basics and Selection Tips

By Admin

Pressure switches are commonly used in a wide variety of industrial and commercial applications. To meet the varying demands of these applications, numerous pressure switch designs are available. The key to selecting the best pressure switch for your application is understanding the differences in pressure switch designs. Sensing Technologies ...

Listed on Dec 13,2019

Selecting Motors for Industrial Applications

By Admin

Mechanical and environmental considerations are on the list, as is the application and operation. All of these factors are important, but the application is where the selection process should start. Selecting Motors The application defines the motor load, speed, acceleration, deceleration and duty cycle of the motor. This all feeds into the h...

Listed on Dec 13,2019

Difference between contactors and relays

By Admin

Contactors and relays are two closely related terms leading to confusions and misinterpretations most of the times. Both of them are electrically operated switches used for control and switching of loads. The basic principle of operation of the contactor and the relay are the same. The difference between them is in term of their application and whe...

Listed on Nov 20,2019

Tips for Specifying Variable Frequency Drives(VFD'S)

By Admin

For well over 30 years, variable frequency drives (VFD) have been controlling the speed of three-phase alternating-current (AC) induction motors. In addition to saving energy, there are many things to consider for maximum efficiency, control, operation and motor life when using VFDs. A VFD’s speed control is necessary for applications where va...

Listed on Nov 20,2019

What is a Pneumatic System?

By Admin

In machine automation a pneumatic system provides a simple and cost-effective means to move, clamp, rotate, grind and screw. A pneumatic system is a collection of interconnected components using compressed air to do work for automated equipment. Examples can be found in industrial manufacturing, a home garage or a dentist office. This work is ...

Listed on Nov 14,2019

WHY CHECK VALVES SLAM AND WHAT TO DO ABOUT IT

By Admin

Check valves are simple valves. They use forward flow to open the valve, then automatically close when flow stops, preventing reverse flow from making its way back through the valve. They don’t require power to function, and they don’t require a whole lot of attention or maintenance. They do get a lot of attention, however, when they slam. Wha...

Listed on Nov 14,2019

Working Mechanism of pneumatic cylinder

By Admin

A pneumatic cylinder can be found in many different types, like single-acting cylinder, double acting cylinder, rotary air cylinder, rod-less air cylinder and telescoping cylinder. These cylinders are preferred for many reasons that include noise-free operation and elimination of the need to store liquids, as in the case of hydraulic cylinders. An ...

Listed on Nov 07,2019

How do you select a gerotor motor?

By Admin

When selecting a gerotor motor, there are many items to consider, including performance, quality, reliability and cost. Choosing the wrong one could lead you down a path of frustration. Before selecting your motor, let’s discuss the basics of gerotor motors. The gerotor motor, or generated rotor motor, has been around for decades. In fact, the...

Listed on Nov 07,2019

WHICH PUMP MOTOR ENCLOSURE DO I NEED?

By Admin

One of the most common questions we get at Crane Engineering is about motor enclosures. Maintenance personnel and engineers alike are uncertain which type is right for their application. They know it's critical to choose the right one, and for good reason. The wrong choice leaves pump motors vulnerable to adverse conditions and potential failure. ...

Listed on Oct 24,2019

5 THINGS YOU MUST KNOW FOR SIZING A PRESSURE REGULATOR, CORRECTLY!

By Admin

A pressure reducing regulator is commonly used to manually control pressure of a liquid, gas or steam. Choosing the right regulator for your application can be challenging. There are 5 variables required to size any pressure regulator and properly calculate Cv: upstream pressure, downstream pressure, flow range, temperature and fluid type. We defin...

Listed on Oct 24,2019

ASEPTIC VALVE OR HYGIENIC VALVE, WHAT’S THE DIFFERENCE?

By Admin

From time to time I get the opportunity to sit in on product training's offered here at Crane Engineering. A couple weeks ago, I attended a session on sanitary valves, presented by Chris Johnson, one of our account managers. He demonstrated the function and features of each sanitary valve and discussed which were hygienic and which were aseptic. Af...

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...

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...

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...

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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