Dielectric Fittings Prevent Shocking Results

Posted by Alecia Robinson on Thu, May 18, 2017 @ 12:05 PM

A buildup of static electricity can make a mess of analytical equipment


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Swagelok's dielectric fittings and adapters isolate monitoring instruments from the effects of electrical current; to find out more about dielectric fittings download the catalogue today.


As analytical instrumentation becomes more sophisticated and sensitive, it's more important than ever to protect the equipment by using dielectric fittings and adapters. They isolate the instruments from the effects of electrical currents and maintaining full fluid flow.

Running fluid through a line can cause a natural buildup of static electricity. If that ever reaches the metering device, it could make all your readings unreliable, or knock them out entirely. In a system running volatile fluids, a static discharge could cause an explosion.

The dielectric fitting itself is simple. It starts with the classic Swagelok design, then adds a thermoplastic insulator to prevent electricity conduction from a main area to a metering device. The design is unique in the way it separates the two primary functions of electrical insulation and fluid containment. Since the insulators are not primary seals, the material and design provide high dielectric strength over a wide range of operating and climactic conditions.

A Viton O-ring and TFE backup ring serve as the primary fluid seal. The seal is completely self-contained and requires no maintenance.

Too relaxed

No one sets out to create a problem in their fluid system design. What often happens is that people get used to a certain approach, and don't always take into account the changing technology. Some older analytical equipment was built in a way that required a large sample of chemical or mixture to meet the requirements for a good reading. Today's more sensitive equipment can get the job done with smaller samples, but also are more susceptible to an unwanted electrical change.

Someone who habitually falls back on "the way we have always done it" may even think they're saving a few dollars by using standard fittings. But it's foolish to cut corners by installing regular fittings. Dielectric fittings should be standard practice, especially in any areas that have been deemed intrinsically safe.

Take a look at the dielectric fittings in our catalog, then call us at 780-437-0640 or contact us through our website to talk about integrating dielectric fittings into your system.


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Topics: Fittings, Measurement Devices

Don’t Be in the Dark with Pressure & Temperature Indication

Posted by Katie Reid on Tue, Aug 09, 2016 @ 14:08 PM

Even when working conditions aren't ideal, you'll still be able to see the numbers


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The first image shows the retro-reflective material option affixed to the dial face. The second image shows a retro-reflective, photo-luminescent dial design.


In the catalogue, a gauge or thermometer might look like just what you need. Then the realities of the work site force you to install it in a place with poor lighting, or behind some ductwork, or in a place where steam partially blocks your view. You might not even be able to get close when you want to take a reading.

Now Swagelok has two ways to help you get your work done: unique gauge and thermometer faces with illumination options and larger numerals.

Reflective gauge

First we offer a dial face with retro-reflective material. The fluorescent color absorbs non-visual UV light, reflecting additional light and making the gauge more visible. You do need some sort of external light source such as a flashlight. You can order it in white, fluorescent orange or fluorescent green.

Luminescent gauge

Our second option is a retro-reflective, photo-luminescent dial design that illuminates the entire front of the instrument dial for an extended time after being exposed to a light source for as little as 10 seconds. The gauge appears white when not illuminated.

These face options are available on gauge models 115P, 160P, 63C and 100C, and on thermometer models T48 and T80.

The whole point of having gauges and thermometers is so that you can read the numbers. When working conditions are less than ideal, our retro-reflective and photo-luminescent faces make it easer to stop squinting and get the numbers right.

Contact Edmonton Valve & Fitting, and we'll help you see the light - make sure you note in the form that you are interested in learning more about illuminated gauges.

Topics: Measurement Devices

Calipers, Combs, And Guides Help Make Sense of Threads

Posted by Katie Reid on Thu, May 12, 2016 @ 08:05 AM

Scratching your head about threads? We have three tools that solve the mystery

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  The Pipe and Tube Sizes board (pictured above) is at our back counter. Bring in your fittings and we can help determine the sizing.
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  The thread pitch gauge is another tool we use to help with thread size - it's even available for purchase! To get more info on sizing, download the Thread and End Connection ID Guide PDF.

Can you tell the thread size and thread pitch on a component just by looking at it? Neither can we. That's why we have tools that eliminate the guesswork.

When you look at a thread, you'll see peaks (called crests) and valleys (called roots). The part in between the crest and the root is called the flank. The first thing you want to find out is whether the crests are all the same diameter. That would mean you have straight threads. So we get out our calipers and measure the first, fourth and last crests. If the measurements are the same, you have straight threads. If you get three different measurements, you have tapered threads.

There's another way to tell, provided that you are working with Swagelok parts. Other than standard NPT, Swagelok fittings are uniquely marked to indicate ISO tapered or ISO parrallel threads.

Some people are surprised to learn that straight threads are not designed to seal on their own. They require a gasket, O-ring or some kind of metal-to-metal contact to finish the job.

Tapered threads are designed to seal as the mating threads are drawn together. In addition, some kind of sealant is necessary to prevent leaks. That's usually PTFE tape or a product such as SWAK.

Here comes the "pitch"

Next you need to know how close together the crests are. That's the pitch, usually expressed as the number of threads per inch.

Straight threads come in three standard kinds of measurements. The most common are SAE (Society of Automotive Engineers), ISO 228/1 (also known as British Standard Pipe Parallel), and metric. Tapered threads also have several standard forms of measurement: NPT (National Pipe Thread), ISO 7/1 (also known as British Standard Pipe), and metric.

The flanks can come in different angles, known as Whitworth, unified, or metric.

To discover the pitch, we use a thread comb, also known as a pitch gauge. It looks a bit like a pocketknife, but the blades have saw-tooth edges that fit into the thread roots. We simply try different blades until we find an exact match. Some fractional and metric thread forms are very similar, so we take the time to make sure it's a true fit.

You also can turn to the Swagelok Thread and End Connection Identification Guide, which you can download for free. It has all the terminology, thread ID reference tables, and step-by-step instructions for identifying threads.

Lastly, Edmonton Valve & Fitting has a board with various sizes of threads. If you come in with a part, we can see which sample it fits.

Obviously, the threads on two parts have to have the same size and type of threads if you want to connect them. But you don't have to guess. Check in with Edmonton Valve & Fitting and we'll work with you to get the right answer.

Topics: Valves, Fittings, Measurement Devices

Did You Miss Any of These Popular Posts in 2015 from Edmonton Valve?

Posted by Katie Reid on Tue, Jan 05, 2016 @ 10:01 AM

Here are the topics that got the most attention from our readers this past year


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While we always try to make our blog posts interesting, we never know for sure what's going to catch on with our readers. Here is are your top 5 reads for 2015.


Class consciousness

This past year, the most-viewed post was an April announcement for our Sample System Maintenance course five months later in September. We gave it a lot of advance publicity because we knew plenty of people would want to plan ahead for this two-day course. And we were right.

While that course has come and gone, we always have some kind of training available. At least once a month we offer Swagelok Total Support training seminars. These are hands-on, full-day classes led by an industry expert from Edmonton Valve & Fitting. We also have many videos for a quick refresher on how to do things right. For some in-depth online learning, we have Swagelok University

Keep posted on our blog for future training opportunities, including a Sample System Maintenance course coming November 2016!

Blast from the past

Our second most popular post went in an entirely different direction. That was Jason Wynne's story of how he acquired a Zippo brand lighter with the Swagelok logo on it. It's a kind of time-travel story, going back to the early days of eBay, and then further back to the early days of Swagelok.

Probing questions

Back in March we dove into the relative advantages of two probe types, welded and retractable. Welded probes are sturdier, but retractable probes are faster at getting samples into an analyzer. We looked at which probe is best for which kinds of application. We also revealed the secret of the mysterious symbol etched into the side of the retractable probe. Click the link to find out what it means.

Remember, Edmonton Valve & Fitting can do more than just provide the parts. We can build the whole sample probe module as one of our Pre-Engineered Subsystems. You pick out the type of probe you need, and we pair it up with a block-and bleed sample probe valve.

Wet or dry?

A similar post on pressure gauges attracted plenty of attention. The question of the day was: Should you use a dry gauge, or one filled with non-aqueous liquid? Here again, each has advantages for certain kinds of applications. Even with filled gauges, you have choices. Glycerin, with its higher viscosity, is commonly used in room-temperature applications. Silicone oil and low-temperature glycerin are often where temperature fluctuates or when icing is a problem. Other fluids are available through custom ordering.

Managers on ice

And finally we turn our attention to our post on Stacey Phillips, our Custom Solutions manager. Phillips helped create the department, and for a long time she was the department. She would give quotes to customers, process orders, then go in the back to drill panels, bend tubing and whatever else was needed to help the customer.

Doing it all by herself gave her a lot of insight into the kind of associates she wanted to work with as her department grew into a seven-person team.

General interest in our Custom Solutions department brought a lot of people to this post. But the photo of Phillips on the ice at our Friday lunch-break hockey games may have helped popularize this post too.

We have another full schedule of blog posts coming for the rest of 2016. There's no way to know which ones will end up being the most popular, but we'll always try to give you something worthy of your time and attention. 

Happy reading and Happy 2016 to all of our readers!

 


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In a hurry or have a question? Please click here to get in touch - we respond fast! Or call 780.437.0640.


 

Topics: Training, Sample Systems, Custom Solutions, People, Measurement Devices

Watch for These Sampling System Mistakes That Can Hurt Your Operations

Posted by Katie Dennis on Mon, Jun 08, 2015 @ 13:06 PM

Training and education can solve the problem, and Swagelok is here to help and line that are below this.


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Gain insight into your analytical instrumenation operation by downloading Swagelok's whitepaper on 'Ten Sampling System Mistakes Harming Your Operation' here.

DOWNLOAD WHITEPAPER


It's hard to find people with a lot of experience with analytical instrumentation. But it's also hard to spend time training new hires when you’re already managing increasingly complex operations with limited resources. That sets you up for major problems such as analyzer down time, unexpected maintenance costs, and even damage to your team’s credibility as analytical instrumentation professionals.

Time to catch those potential problems

Here are five common mistakes and the problems they can cause. Do any of these sound familiar?

  • Your gas sampling system has too much volume upstream of the first regulator. High pressure gas can cause condensation in the lines and excessive time delay due to gas compressibility. It also can be a safety concern due to rapid decompression if a component fails.
  • Your liquid sampling pressure is too low. It's just the opposite of running gas through the line. Letting the liquid pressure drop may release a dissolved gas, causing the liquid to bubble or foam. It’s best to keep the pressure of a liquid sample as high as possible.
  • You’re sampling from a stagnant line. Make sure you’re sampling from an active process line so that you get a representative sample.
  • Your vaporizer is too hot. A hot vaporizer body could boil the incoming sample, causing it to fractionate.
  • Your sample flow is too slow. The slower your sample flow, the more viscous drag is placed on the interior wall of your tubing, causing solids to form.

If you've run into those problems – or worse, if you didn't even realize they could be problems – it may be time to revamp your sampling system design, your routine operations or your maintenance training and procedures. We can help. Swagelok training shows analytical instrumentation professionals how to catch mistakes before they happen and recognize existing problems in sampling systems. One of our popular courses, the Sample System Problem Solving and Maintenance (SSM) class, will be in Edmonton on September 14th and 15th, then in Fort McMurray on September 17th and 18th (download the course brochure here).

Swagelok has produced a white paper that covers the five problems mentioned above, plus five more. It's yours to download for free. Just click here. Then get ready to schedule some Swagelok training to hone your technicians' skills.


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In a hurry or have a question? Please click here to get in touch - we respond fast! Or call 780.437.0640


 

Topics: Measurement Devices

Swagelok’s Field Station Modules Are Compact and Ready to Go

Posted by Katie Reid on Thu, May 28, 2015 @ 14:05 PM

This pre-engineered subsystem moves samples to the analyzer faster


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Swagelok's Field Station Module is one of our 5 Pre-Engineered Subsystem modules. To get more information on this specific design, download the free catalogue here.


When analyzing a gas sample, it's important to move the sample quickly. The rule of thumb is to get it from the process tap to the analyzer in a minute or less. One way to speed up delivery is to lower the pressure.

You read that right: Lower the pressure to speed up the sample. If that seems odd at first, think of a crowd of people trying to get onto a bus, or a large group of runners at the start of a marathon. They can't move fast because it's too crowded. The same is true of the molecules in a sample. Gas is compressible, so high-pressure lines have more gas molecules in them. By lowering the pressure, you thin out the crowd, increasing the flow rate so the molecules can get to the analyzer faster.

That's where a Swagelok field station module (FSM) comes in. When this pre-engineered subassembly is placed directly off the supply tap, it lowers the pressure of a gas as soon as possible.

In addition to giving you a fast response time, the field station module reduces condensation in the sample. Higher pressure will squeeze out any water in a gas, causing condensation issues. With a lower pressure, you don't get that change in phase.

Lower pressure also provides a safer environment for your personnel.

Flexible configurations

The basic setup is a ball valve to let the sample in, a pressure regulator, and the outlet that takes the sample down to the analyzer. You also have the option of including a relief valve so that pressure doesn't build up.

The field station module can be configured several different ways with filters. One configuration uses a small high-flow particulate filter and one or two pressure gauges, good for the lowest internal volumes and fast response times. Or you can add a pre-filter gauge if you want pressure to drop across the filter. Yet another configuration, for samples with mist in them, includes a membrane separator with a gravity drain back down the probe.

For very dirty process samples, you can configure the field station module with a large capacity particle filter. And, finally, you can include a combination coalescing/membrane filter with a drain, to get rid of both mist and particulates.

Cover up

To protect all those components, we offer several kinds of covers for the field station module: stainless steel with an optional polycarbonate window, ABS plastic with an optional tempered glass window, and fiberglass with an optional acrylic window.

The environment often will dictate the selection. If plastics aren't allowed, for instance, steel offers great protection. Steel doesn't offer much insulation against the cold, so fiberglass might be a better pick in some cases. We offer heaters for the enclosures as well.

Why do it yourself?

One of the best parts of all our pre-engineered subsystems is that they come ready to plug in and play. Your staff won't have to set aside their regular work to figure out a design, plumb in a regulator or bend tubing. You don't need to build an inventory of components, or figure out what to do with the parts that don’t conform to specs. And the assemblies come with Swagelok’s expertise, service and support behind them.

For more details, including photos and dimensions, download Swagelok's application guide here.

 


Additional resources


In a hurry or have a question? Please click here to get in touch - we respond fast! Or call 780.437.0640


 

Topics: Measurement Devices

Six Questions to Ask about Swagelok Variable Area Flowmeters

Posted by Katie Dennis on Wed, Apr 15, 2015 @ 08:04 AM

Some people call them rotameters, but either way they are simple and effective


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The M Series (left) and the G Series (right) are highly accurate measurement devices with individually calibrated scales based on flow tests. 

GET IN TOUCH


 

Some readers of this blog may be old enough to remember gasolines pumps that had a small glass dome with balls inside .As the gasoline flowed through the pump, it would make the balls spin, giving the customer a visual confirmation that the pump was delivering the goods.

We have a sophisticated tool that works on a similar principal. Some people call them variable area flowmeters. Other people call them rotameters. Either way, it’s a simple device to visually check the flow of fluid through a system.

We start with a slightly flared, vertical tube. Inside is a buoyant ball. Fluid enters the bottom of the tube and flows out through the top. Along the way it pushes the ball upward. Gravity pushes the ball downward. Because the tube is tapered, the higher the ball rises, the more space there is between the ball and the tube wall. The wider gap lets more fluid flow around the ball. When the upward and downward forces are balanced, the ball stays in one place. A scale next to the glass tube indicates the rate of flow at that position.

Because the system fluid is doing all the work, the variable area flowmeter doesn't need any external power. And because it doesn't significantly restrict flow, it causes minimal pressure drop.

Variations

Our rotameters are made by Krohne, a German company known for their high quality. They make several models:

  • The G Series features the basic glass tube, good for lower-pressure applications. In general, the longer the tube, the more accurate the reading, because the scale is spread over a longer length.
  • The M1 Series uses a metal tube and a magnetized float that moves an external needle.
  • The M2 Series is similar, but comes with a digital readout option.
  • The M3 Series has bigger metal tubes, and can handle higher flow rates. 

Six questions

Here are the six questions to answer when you want to order a rotameter. Hand the answers to your Edmonton Valve & Fitting representative, and it will be easy to supply what you need.

  1. What is the fluid you will be measuring? Every variable area flowmeter is specifically calibrated to a particular fluid. Some are calibrated for air and water, but most are custom-calibrated.
  2. What is the fluid density?
  3. What is the fluid viscosity?
  4. What is the typical operating pressure? Changing pressure can make a fluid more dense, which means you've changed the viscosity. Process conditions must stay stable for a rotameter to work.
  5. What is the typical operating temperature? A change in temperature likewise can change viscosity. Again, stable process conditions are essential.
  6. What measurement range do you want? All of our variable area flowmeters have a range of 10 to 1. That is, the maximum measured pressure can't be any more than 10 times the minimum measured pressure.

Now that you know how a variable area flowmeter works and the six questions to answer, you are ready to call Edmonton Valve & Fitting and get the model you need. /ask


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In a hurry or have a question? Please click here to get in touch - we respond fast! Or call 708.437.0640


 

Topics: Measurement Devices

Does Your Swagelok Pressure Gauge Need a Fill-Up? Not Always

Posted by Katie Dennis on Thu, Feb 05, 2015 @ 08:02 AM

Here are some tips to help you decide between liquid-filled and dry gauges


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When you shop for a pressure gauge, you have two basic choices: a liquid-filled gauge or a dry gauge. Which one is right for your job? The decision really depends on your specific application.


Dry and steady

Dry pressure gauges do fine in applications with minimal temperature fluctuations, minimal vibration, and an even and continuous flow of the pressurized medium. They need stable conditions because vibration is the leading cause of pressure gauge failure. The sensitive components inside a dry pressure gauge, can be damaged by vibration and pressure spikes.

Also, moisture and humidity can cause problems for dry pressure gauges. Condensation can fog up a dry pressure gauge, making it difficult to read.

Four benefits of liquid filling

Filling a pressure gauge with liquid alleviates the major drawbacks of a dry gauge.

  1. The liquid absorbs vibration and pressure spikes.
  2. The dampening action of the liquid lets the operator take an accurate reading even if pressure is oscillating, or if there is vibration in the system.
  3. The liquid lubricates the moving parts inside the pressure gauge, dramatically reducing the effects of wear and extending the lifespan of the gauge.
  4. Because most liquid-filled pressure gauges are filled with non-aqueous liquid and are hermetically sealed, they perform well in corrosive environments and prevent moisture penetration, fogging due to condensation, and icing.

Choosing a fill liquid

Swagelok offers several liquid-fillable pressure gauge models. They have three standard options for the fill liquid: glycerin, low-temperature glycerin, and silicone oil. Other fluids are available through custom ordering.

Once again, your specific system requirements will guide you toward the right choice of liquid type. Glycerin, due to its higher viscosity, is commonly used in room-temperature applications.  Silicone oil and low-temperature glycerin are often used in applications where temperature fluctuates or when icing is a problem. Also, for pressure gauges 60 psi and under, low-temperature glycerin or silicone oil is the better choice because the lower viscosity allows the gauge pointer to move through the liquid easier and respond quicker to system pressure changes.  

Whatever you choose, be sure that the fill liquid is compatible with your system in the rare chance that it leaks out of the gauge.

An alternative to liquid filling

Why not always use a liquid-filled pressure gauge? One reason is that you might not be able to justify the extra cost that goes along with liquid filling. Or, your system may not allow liquid-filled gauges. Yet you still want to minimize the effects of temperature and pressure fluctuations and vibration. A viable alternative is to use a dry gauge with snubber fittings, often referred to as dampeners. 

Swagelok snubber fittings protect gauges and other instruments from system pressure surges and shocks. Pressure damping (snubbing) is accomplished through the use of a porous sintered 316 stainless steel element. Installing a Swagelok snubber fitting upstream from the gauge reduces the gauge’s response rate. The response rate generally varies with the initial pressure drop across the porous element of the snubber fitting and allows the gauge to reach line pressure smoothly.

With five basic elements available, snubber fittings can meet the requirements of fluid applications ranging from light gases to liquids with viscosities above 1000 SUS (Saybolt universal seconds) (220 cSt [mm2/s]). Element designators are stamped on all fittings for proper identification.

Swagelok Pressure Gauges

For more details on Swagelok pressure gauges available from Edmonton Valve & Fitting, check out our online catalogue.


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Topics: Measurement Devices

Quality Fluid Components at Low Cost: Swagelok Variable Area Flowmeters

Posted by Taryn Hardes on Wed, Mar 26, 2014 @ 15:03 PM

Simple and effective, a ball in a glass or metal tube is all it takes to indicate the rate of fluid flow

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The variable area flowmeter is one of the most durable yet least expensive meters you can buy. Here's how to choose the right one for your application.

In an increasingly high-tech world, some simple devices still have a place. One of them is the variable area flowmeter. Swagelok sells two types, glass and metal. Both use the same basic design: A buoyant ball inside a vertical tapered tube.

What makes the variable area flowmeter remarkable is that it doesn't require any external power. Instead, it runs on the flow of the system fluid itself.

The fluid enters at the bottom of the tube and flows up to the top. Gravity wants to make the ball sink, while the fluid is pushing upward and the ball itself has some buoyancy.

If the tube were straight, the fluid would push the ball all the way to one end. But because the tube is tapered, the higher the ball rises, the more space there is between the ball and the tube wall. We call that the annular gap. The wider gap lets more fluid flow around the ball. When the upward and downward forces are balanced, the ball stays in one place. A scale next to the glass tube indicates the rate of flow at that position.

When we use metal tubes, we use a magnetized ball that can draw a needle up and down the outside of the tube to indicate flow rate.

Glass meters are designed for about 140 or 150 psi. Metal is for higher pressure.

Plusses and Minuses

The simple construction makes the variable area flowmeter one of the most durable and least expensive meters you can buy. It also creates very little pressure drop. Some more complex flowmeters restrict the flow of fluid in order measure it.

There are a few trade-offs, though. Variable area flowmeters aren't as accurate as some of their more complex cousins. A variable area flowmeter can measure only at a ratio of 10 to 1, called the turndown ratio. That means that if you have a meter calibrated for a maximum reading of, say, 100 gallons a minute, the smallest flow it can measure is 10 gallons a minute. If the maximum reading is 80, the minimum will be 8, and so on. If you have to measure pressure at less than 10 percent of the maximum, you'll need a different kind of meter.

Custom Calibration

Different fluids have different densities, which is the weight of the fluid at a given volume. They'll also have different viscosities or thicknesses. Density and viscosity change how the fluid pushes on the float. That's why Swagelok can custom-calibrate a variable area flowmeter for methane gas, fuel oil, or a wide variety of other fluids.

Temperature and pressure come into play as well. As temperature increases, a liquid gets thinner and won't exert as much upward force against the float. Likewise, as gas temperatures increase, volume and flow force increase.

Pressure changes aren't a big factor for liquids because they don't compress. Gases, on the other hand, get denser as pressure increases. That too changes the way the fluid reacts with the float.

So while the basic design is simple, some of the details can get more complex. For the full story on flowmeters, look at our catalogue online.  

Topics: Measurement Devices

5 Facts About Swagelok Gauges

Posted by Taryn Hardes on Wed, Mar 05, 2014 @ 14:03 PM

We already gave you the five laws of gauge installation - now we have five facts about the gauges themselves.

1. Most gauges mechanically measure pressure using a bourdon tube

A bourdon tube works as a sensing element. Bourdon tubes, which are commonly found in Swagelok gauges, work like a party horn. It will try to flatten itself with an increase in pressure, which pulls up on the lever which pulls the dial to show the appropriate pressure reading. A decrease in pressure allows the bourdon tube to return to its original C shape. Another option is a diaphragm, which are typically used for lower pressures gauges such as the L Model.

2. You’ll get your most accurate reading in the middle third of the dial 

Swagelok Gauge "Sweet Spot"  

 

When choosing the right gauge for a job, be sure to select a range that allows your normal system to fall in the centre of the dial. For example, if your system pressure is 100 psi, consider using a 200 psi gauge.

 

3. Bigger dials are more accurate 

Some Swagelok gauges are available in a variety of face diameters. Normally the larger the dial diameter, the more accurate the reading. Try to use as large of a face as you can in highly sensitive applications.

4. There are three mount configuration options for your convenience

Swagelok Gauge Mount Options

Swagelok gauges comes in a lower back mount, centre back mount, and lower mount for your convenience. Lower mount is most common, available on every Swagelok gauges series.

5. Gauges can come with a Tube Adapter end connection to allow for ideal alignment 

Swagelok Tube Adapter  


Many gauge designs utilize pipe fittings to connect the gauge into a system. This can create alignment issues and can even risk leaks by NPT threads being over or under tightened. Swagelok Pressure Gauges offer a unique end connection option that simplifies installation – the Swagelok Tube Adapter.

Swagelok Tube Adapter end connections eliminate alignment problems because the gauge dial can be aligned to the desired position and then remain stationary during pull-up of the fitting.

 

To learn more about the pressure gauge products available from Swagelok, download the Pressure Gauge catalogue.

 

 

Topics: Measurement Devices