ATEQ

Highest Quality Leak Testing Equipment, Services & Applications. ATEQ manufacturers Leak Testing and Flow Testing instruments, Flow Meters for industrial quality control.

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Laminar Flow Hoods - Benefits and Features

Do you know that for certain commercial environments Standard office furniture isn’t that much suitable? These workplaces need some of the best furnishing and tools that are designed for some specific purposes. If you are searching for an equipment to prevent contamination, then Laminar flow hoods are specially designed tool for this purpose. You can find this special fixture mostly in some laboratory and within semi-conductors, medical type fields or electronics. It is of most important to check for the return on investment before spending money on this.

What are the types of the Laminar Flow Hoods?

The laminar flow Workstation hoods are available in the market in horizontal and vertical configurations. In general, this technology includes drawing air via HEPA filter and then it needs to be blown in a smooth flow over the work surface below, creating a positive pressure surrounding keeping the outside airborne dust particles and contaminations out. This device is named after the parallel layers of air flow which features no disruptions. You can consider the streamlines of a laminar flow with a deck of cards. The air in it flows in layer, one sliding on the other layer. It usually happens with a low velocity which as a result makes it smoother than a turbulent flow.

It is designed to be a streamlined giving a perfect output. There isn’t any design made which will feature the joints or gaps to collect the spores. You may use these hoods while working with some biological samples and semi-conductor or in any other sensitive items like medical devices or instruments.

How to configure the Laminar flow Hoods for a Particular Environment?

When you are shopping for the Laminar flow hoods, you must know where to use equipment in their proper facilities. If the requirement is for any dimensional area then they aren’t suitable for standard or mass hoods production. In such cases, it is better to consult the manufacturer in order to create up a hood in a customized size for you, so as to meet your requirements purely based on the specific space limitations and other constraints.

For almost every environment, the high-quality laminar hood is suitable. It comes with an awesome feature of HEPA filter which can handle 0.3 micron particles with 99.99% efficiency. A ULPA grade filter is available in the market as an alternative option for the customers who really require it. You can customize the various aspects of this magnificent device including shelving, lighting and work surface. It is a very good option if the customers review for the alternatives and discuss about their choices and preferences with the manufacturer representative while placing an order. When opting for this awesome equipment named Laminar flow hoods try to buy the one which is customized for the environments and uses. Thus as a result it will make you ensure that your money is being well spent. This also will make sure that you no need to buy other market add-ons in order to increase the facilities and functionality as choosing it wisely will make sure that you get all your requirements fulfilled.

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Vacuum Leak Testing: When You Exactly Need

While tuning an engine, have you ever come across an abrupt idle state or the engine which is running with consistent coughing. No matter how much you try, the engine does not seem right, well if you might haven’t noticed but your engine is likely to have vacuum leak. Often the leak is perceptible with its hissing and whistling resonance. But sounding isn’t an obvious sign, rather you should keep your eyes open to some other factors. When the engine is catching too fast an idle speed instead of coming down to the normal one, when it is having rough idle or stalling, during accelerating when the engine misfires, this all could be due to vacuum leak. So what you need, you need an equipment to test your engine, to find out where the problem exactly is.

Need For Vacuum Testing

When a testing part is having leakage developed due to some external reason all you need Vacuum Leak Testing. It is seen often that an engine or industrial equipment has developed leakage into its casing and housing such as outdoor electrical housings, underwater sensors/housings, components associated with vacuum sources and sealed components. With leak testing vacuum you can easily figure out how much deep the leak has grown and devise ways to fix it at the earliest. Instruments, which are directly responsible for providing vacuum to tested parts rather than rendering pressure, seen to be operating in the same manner but in some cases opposite to pressure decay testing equipment. Now number of Vacuum Leak Testing systems is available in market, having unlike features and capacities. But with adequate knowledge and learning, it is possible to make use of innovative technology to ensure reliable solutions to all sorts of leak testing issues.

Vacuum Leak Testing Is Better

Due to different reasons, it becomes mandatory to amalgamate vacuum testing with that of higher pressure. Now when the testing tool is compared with the pressure decay testing module you will find the former  one to be worth relying as it is capable of rendering better repeatability. Now this is possible for the Vacuum Leak Testing to perform, as it is less sensitive to environmental hazards especially to the temperature fluctuation. This tool demands less time and within the shorter time span, it is capable of reaching a stable differential for testing. Not at all vulnerable to the potential volatility of tested parts, this specialized testing tool is capable of rendering higher throughput as compared to pressure decay applications where high pressure is applied.

Technically Advanced Equipments

Now in market you will come across range of equipments. Since manufacturers are varying in number their creation is also available in variety. Due to the improvement in

Vacuum Leak Testing

technology today you will find machinery where you will find testing equipment seamlessly integrating itself with the custom turnkey systems. System integration is all what one needs and the better an instrument clearer will be the result. So when you are looking for a robust consistent system solution you need to see which equipment is good in system integration.

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Flow Test: Features That Determine Success

When it is about regular water supply program, hydrant testing is one significant part to look over. It is seen that water systems are subjected to improvements, changes in usage, deterioration even water district maintenance, which sometimes have an effect on zone valve settings. For this reason, it is highly significant to test once in a while, all fire hydrants to make sure what their capabilities would be during the time of crisis.  Moreover, while determining fire flows, testing may reveal countless mechanical issues, which restrict the proper functioning due to leaks, and even pump damaging wreckage again due to hydrants. It is vital that we find out issues and get them fixed prior to any damage or critical situation. Flow Test data offers essential field information so that water administration planners and the Fire Prevention Bureau can precisely guesstimate the potential of water mains. Water main and hydrant flow capacities influences decisions as to what fire security and fire fighting features are essentially requisite for new expansions and where priorities ought to be positioned relating to worn-out improvements and taking care of smaller water mains.

What are Fire flow tests?

On hydrants, Flow Testis conducted only to determine water availability when you are to plan fire prevention activities, deal with domestic water demands and fire sprinkler systems. The tests are also functional in deciding the usual condition of the water circulation system by identifying congested valves or wall dumps. Competently managed water system facilitate firefighters to snuff out flames and check large- scale damage thus controlling life loss. You will come across usually two main types of flow tests: Main Capacity Test and Hydrant Capacity Test.

What These Two Tests Determine

Main Capacity Test calculates- what is the exact condition of water availability in the water main. When you are thinking about designing a fire sprinkler system which involves separate downstream flow hydrant and residual hydrant system. On the otherhand, Hydrant Capacity Test finds out the flow-rate obtainable from the hydrant and how much will it be adequate while transporting in a fire disaster. When you are carrying out the fire flow tests of hydrants, you better draw on this test which is addressed as residual hydrant and flow hydrant. Both of these tests are legitimate and you will be able to discover helpful engineering details, over and above asses the integrity of the workings of entire piping system.

Equipments You Need For Conducting Flow Test

Now it is really important to conduct the Flow Test correctly, so if you are not having adequate knowledge and experience, instead of depending upon online blogs and forums, professional assistance should be sought out. Now there are few types of equipment, which you need to reach for, equipments like pressure gauges with garden hose connections, garden hose reducing caps, Adjustable hydrant spanner, Diffuser basket, Hydrant sock, Rope to tie off end of hydrant sock. These are some fundamental equipment; you may need something more depending upon the situation. For that you need to depend upon the professional and under his expert supervision should seek other tools.

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Conduct Flow Testing with Correct Information

When it is about determining the water flow rate for a water company or underground water distribution system, Fire hydrant Flow Tests are conducted in the first place. Such test is conducted frequently to make sure that they are having ability to provide water at a preset pressure level. Following such test, it is analyzed how far hydrant flow rate is competent during fire fighting operations.

WHY FLOW TEST IS FUNDAMENTAL

Now according to report and recommendation, “a residual pressure of 20 pounds per square inch (psi) be maintained” especially when you are looking for fire fighting and seeking measures or checking the infectivity of public water supplies by backflow. You will get to know about the actual static pressure that is non flowing pressure with fire hydrant flow also during the process you will get to know about residual flowing pressure and also the quotient of hydrant flow. Furthermore, you will come across  other benefits of this testing, the test will provide you lead when you are looking for accurate outcome while designing a fire sprinkle-system to create a commercial or residual configuration. This testing measure is prevalent all across the jurisdictions and definitely is decisive for suitable fire sprinkle designing. Now if you are wondering what inaccurate readings may cause you, well, it may result in attaching supplementary fire pumps for under designed systems in near future also expensive overdesign in pipe measurement.

TYPES OF HYDRANTS

Usually Flow Testing is conducted on two main types, dry barrel and wet barrel. When you are dealing with wet barrel design, you need to connect hydrant directly to the pressurized water supply. However the upper section of the hydrant is seen nearly filled with water and you will also notice both the outlets are having their separate valves, outfitted with a stem that protrudes out on either side of the barrel. When you are dealing with a dry-barrel design, you need to separate the pressurized water supply from the hydrant via a main valve right in the lower part of the of the hydrant belowground. Fire upper part stays dry until you open the main valve via long stem that widens up through the top of the hydrant. Unlike prevalent designs, there are some dry hydrants which are having ¼-inch outlets to connect pressure gauges, exterminating the requirement to connect the cap to a pressure gauge. Dry-barrel hydrants are usually employed where temperature during winter falls below the freezing point.

CARRYING OUT  A HYDRANT FLOW TEST

You will notice few Flow Testing, involving hydrants more than one,. Time does matter when you are to conduct the test, it is better to have it done during the peak hours in the morning only to reveal the worst-case situation. Now when you are doing the same test during the afternoon hours you will find the street pressure is fluctuating as much as 10 psi. It is best to have sketch of the site, when you are having the test done you need to keep few records at disposal, like the date of the test, hydrant location, time of the day, static reading at pressure hydrant, pressure during the full flow, flow reading using pitot gauge, water main diameter and Hydrant outlet size and variety.

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Be Safe With Helium Leak Test

Leakage can create havoc on us. We have seen so many evidences of that in the past and in the recent times as well. Such seepages can result in mutating our genes as well. The after-effect of such disasters can span to decades and even centuries. For this reason, the large factories have taken care that no accident should occur because of that. Several tracers are employed in the industrial site to check for the leakages. Among several tracers, Helium Leak Test is said to be the most effective one.

What is a tracer?

Tracer is used to check the presence of leakages at any site. The question arises as to why Helium is said to be the most efficient one? Helium is basically an inert gas. It stands strong without any reaction to fire, that is, it is inflammable. Being non-toxic, its presence at any accidental site will not pose further danger.

Its atomic size is small so it can pass effortlessly in the leakage passage. Both Hydrogen and Helium are inert gases and are relatively less expensive. A device called Mass Spectrometer Leak Detector (MSLD) is used to measure the size and extent of leakage. The detector is then filled with the Helium and passed to the leakages.

Let’s have a glance over the components of Mass Spectrometer Leak Detector (MSLD):

·         Spectrometer: it is used to detect the mass of the Helium gas

·         Power supplies

·         Evacuation pump: it is use to empty the leakage

·         A valve or a stopper: that sets in motion the operation of evacuation, venting and testing stages.

·         An amplifier is used to gauge the motion of the output.

Payback of using Helium leak test

Helium Leak Test can be used for both small leakage detection as well as large leaks detection. Basically, there are two types of procedures:

·         First is “high vacuum testing”, in which low leak threshold is set.

·         And one is sniffing, in which a bit higher limit is set to trace the leaks.

A benefit of using this technique is that Helium is readily available. The most common form of this gas is balloon gas. This gas is mixed with other gases like nitrogen or compressed air which are low cost. This is done because while testing large leakages, it becomes necessary to mix Helium with other gases. Helium can also be recovered by extracting it into a vessel.

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A Few More On The Concept Of Leak Test

What is Leak Test?

               Leak Testing is actually a process by means of which people can detect manufacturing defects of the products. It is actually a test which passes the integrity of the products in order to improve the safety of a consumer. Leakage from any products may cause serious harm indeed which may result in drafting a lot of consequences for the manufacturing company. Thus, it is advised to always make every product pass through the Leak Test before it is been handed over to the vendor for getting sold. For an example in the big field of the Automotive Industry, a huge accuracy is maintained in this test just to get the confirmation of non-leakage at most of the sensitive spots. These specific test sets are organized and conducted by the variety of standard organizations. The test is done under safety precautions and thus it is not advised to try out at home or a line without any proper guidance.

What is the purpose of Testing?

               As stated earlier, leakage from any product may harm one without even informing. Thus to ensure consumer safety for usage, companies undergo every products to a verified Leak Test program which ensures it to be safe enough. Also, apart from this, it is mainly used in critical manufactures to detect the defect. Manufacturers produce many parts which contain gas as well as liquids. If leakage is present then outflow of gasses will occur which might result in harmful combustion. Due to the leakage of such gasses, there may be reaction of gas molecules in the air which in turn may affect us after getting toxicity. Apart from this, there is a specification for every product to obtain a maximum leak rate. Thus, with the help of testing, it will be detected and the correct measures can be taken forward by the manufacturing company.

Advancement in Testing:

               With the help of advancement in technology, it can be quite commonly seen that Leak Test is practised under correct precautions. This is because, the testing may be risky indeed. However, the process is performed with the help of Micro-Flow Technology which is unique and quite effective in detecting the leaks. The reading is considered according to the air pressure. If there is any such leakage, then it shall be automatically detected by the test. The intelligent Gas Leak Sensors are applied to the sensitive spot which starts denoting whoever there is a gas leakage in the part.

               Whenever there is any leakage in a particular part, the gas molecules tend to move much in a faster rate which allows the increase in leakage chances and thus it becomes easy for the sensors to read. However, for every individual products, there are individual parameters set but the manufacturing company. If leakage is presented, there are definitely some fault line in manufacturing. This makes it all clear and Infact quite easy to denote the chances for finding leakage. For any product, conditions like leakage may be a bit too harmful to make the products customer friendly.

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Learn the Basics Of Leak Testing Procedure

Right before knowing anything about Leak Testing, it is necessary to know what is a leak and what impediments it may invite. Leak addresses flow of liquid or gas through the wall of a vessel when there is an opening like crack, hole or bad seal. Flow generates when there is pressure difference, flowing from higher to lower. Leaks are seen being generated from positive pressure, which hints directly at the internal pressure of the vessel to the lesser atmospheric pressure. But often it is seen that leak is caused where flow is caused in reversed fashion, from atmosphere to an empty object. Now to know about the condition of leak, leak testing is carried out. mm3 or cm3 (cc) per second or minute are the units used to indicate leak into an atmosphere. An average unit of leakage is the mbarl/sec.

Leak Testing Technique

When you are out to conduct leak testing you need to enquire of few features, such as the size of the component, its internal volume, leak limit, does the vessel come with concealed internal volumes which is likely to influence leak dimensions. You need to make sure if the parts are clean and dry, you need to enquire the exact access to sealed units and if the access is rigid or flexible, what is the surface finish of any sealing surfaces.

Now there are different leak testing mechanism you may resort to,

Leak Testing - Standard Systems

Pressure / Vacuum

During this leak testing, the test piece and the reference volume are concurrently evacuated or pressurized to a predetermined pressure point. The air that exists into the system is permitted to even out, when the supply valves are all closed. It is fundamental to zero The Differential Pressure Transducer, it happens automatically but often you need to do it manually. Subsequent to this stabilization mechanism, using the Transducer, the pressure that modifies in the test piece is contrasted to the pressure modification in the reference volume. When the test piece is leaking, the disparity will be perceptible noticeably. It can be measured and you can set an alarm limit to learn about the pass/fail decision. Such leak testing procedure is fully mechanical, the correctness and sensitivity of the system is specified by the technique of setting the predetermined pressure alongside ensuring the quality and nature of control valves.

Helium Systems

A vacuum pump vacates the test chamber and test piece concurrently to a predetermined vacuum. At this predetermined point, the chamber and the test piece are inaccessible and the chamber vacated more to a very low pressure. A positive pressure disparity is consequently fashioned between the chamber and the test piece. Subsequently Helium gas is entered the test piece, sometimes in a 10% concentration. As the vacuum persists to be drawn, a sample from the  chamber is analyzed using A Mass Spectrometer. The Mass Spectrometer calculates helium leakage and drives the pass/fail result. Right before applying helium dose, chamber pressure is often compared to the test piece pressure. This is done so, to avoid a gross leak which may results from saturating Mass Spectrometer.

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Air Leak Detectors Essentially Help in Saving Money

When you are on the task of finding compressed air leaks, a compressed leak detector is something you need foremost. The detector works listening to the ultrasonic sounds and many be for that it is addressed sometimes as ultrasonic leak detector. For compressed air audits, compressed Air Leak Detectors are one imperative tool. Now why air inspections are deemed imperative for industries, because inspection can reduce energy consumption of your compressor installation to a considerable extent. Now while dealing with compressed air system you are likely to come across leaks and they can be anywhere like in pipe joints, quick connect couplings, valves. It is seen, in typical industrial compressed air systems, substantial compressed air is wasted due to hidden leakage. Leakage of compressed air costs electricity so much that when leakage reaches barely 10% to 20 % you need to pay cash in abundance.

Using Leak detector for proper detection

You need to listen to them, that’s right, you need to listen for the leaking sound and you need to do this when the factory has no other sound to release. When the ambiance is cool and silent, you may try out listening to this leaking sound. During the evening or night hour, you are likely to catch the crude hissing reverberation. However, small leaks are tougher to catch. If you check casually and try to listen to imperceptible leaking sounds, hardly you be able to catch leaks on overhead piping system. Maximum sounds that overhead leaking system release are ultrasonic, it means the realizing sounds has such high frequency that it is nearly impossible to catch without any equipped detector. Air Leak Detectors switch this ultrasonic sound into lower frequency reverberation so it becomes audible to human ear.

Detectors accessible

You will come across two main types of Air Leak Detectors: long range which looks more like a microphone, mainly used to detect distant air leaks and close range, which is highly appropriate to detect air leaks inside and around equipment. However, the equipment looks more like ‘sniffer’ on a tube. Now if you are wondering which leak detector is best to buy, you need to consider few features, like maximum leakage takes place inside and close to the pneumatic equipment so it is worthwhile to buy the close-range type. Some sir detectors are having headphone, few are outfitted with indicator where sounds are seen peeping from leaks. So with the help of Air Leak Detectors, it is effortless to locate the tiniest of all air leaks and detectors which come with a headphone, has the potency to lower the frequency of the sound, you can hear the lead rather than listening to some beeping sound of indicator.

Cost of a leak detector

Now when you are out to buy a leak detector, you will find it costing you not more than 3000$ but the detector is available also for $350. Needles to say, the costlier the units the more multi-functional they are in application. But cheaper units are no less equipped.

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ATEQ Compact Continuous Laminar Flow Meters are manufactured by using advance technology and high quality raw material which ensure its hassle free performance.

ATEQ Compact Continuous Laminar Flow Meters are manufactured by using advance technology and high quality raw material which ensure its hassle free performance.

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Differential Leak Testing is One of the fastest methods of leak testing and well suited for many applications.

Differential Leak Testing is One of the fastest methods of leak testing and well suited for many applications.

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Primus - Compact Air/Air Leak Detector

The ATEQ Primus is the state of the art color screen Compact Air/Air Leak Detector designed to test the air-tightness of parts on production lines.

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Hydrogen Leak Test | Helium Leak Detection | Halogen Leak Testing – ATEQ

Hydrogen Leak Detector. Helium Leak Detection. Halogen Leak Testing. The Hydrogen Portable Leak Tester, a new comer in the ATEQ range of leak detectors, is one of the finest gas tracer and hydrogen leak detectors on the market today.

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Highest Quality Leak Testing Equipment, Services & Applications. ATEQ manufacturers Leak Testing and Flow Testing instruments, Flow Meters for industrial quality control.