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Frequently Asked Questions

What is the difference between vacuum- and compressed air technique in general?

Erkodent FAQ
Using a vacuum the thermoforming material is drawn onto the model. Using compressed air technique the thermoforming material is pressed on the model. That is proved to be wrong. What really is important in thermoforming is, that a rapid forming is realized. This is ensured by the reserve vacuum of the ERKOFORM-3d unit. With the reserve vacuum, the vacuum already exists before the thermoforming phase and thus takes a sudden effect.
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What is better, an unit working with vacuum or compressed air technique?

Erkodent FAQ
If you wish to perform thermoforming and imprinting the opposing bite in one go, we recommend to order the combination of vacuum unit ERKOFORM-3d and the integrated occludator OCCLUFORM-3. Most of our customers prefer this solution. With this combination you have the advantage that you do not need any compressed air supply.
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I don't have a vacuum and/or compressed air line nearby. Can I use a portable pump?

FAQ's
Yes. Any vacuum source that can pull 25"Hg will work. One pump that we recommend is the Rocker 300, available from LabDepot. An inexpensive pump that we have also rated is the Barnant Air Cadet Single-head pump, available from McMaster-Carr (#41675K41) as well as Fisher Scientific. Any small air compressor will provide enough pressure/volume to operate the microfluidic platform.One inexpensive commercial compressor we have used is the Black&Decker BDC4G four gallon compressor.
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Can I use compressed air to dry the filter faster?

FAQs
No, this can blow the filter material right out of the wire mesh and ruin the filter. Pick a nice day to clean the filter and let it dry naturally. A low pressure air flow such as from an industrial drying machine or blow dryer will help the filter dry more quickly.
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What is the difference between the suture technique and the laser technique?

Asian Eyelid - Frequently Asked Questions
This can be confusing, because sutures (stitches) are used in both techniques. In the suture technique there is no cutting and no tissue removed. The sutures are passed in and out of the eyelid and are buried, and remain there permanently. There are no stitches outside on the skin. This is best in younger patients with thin eyelids with little fat. The laser technique is like other Asian blepharoplasty cutting techniques, but the laser is used to cut.
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What are the advantages of the ERKOPRESS-ES 200 E unit working with compressed air technique?

Erkodent FAQ
Plates according to SCHWARZ or expansion plates in the orthodontic field need pressure load when they are thermoformed. This only can be realized by our ERKOPRESS-ES 200 E unit. Furthermore, with respect to some special applications, it is possible to reach a slightly higher reproduction of details with the ES 200 E unit. Copings can be produced without any add-ons.
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How many vacuum cleaner bags do I get with the vacuum? How about vacuum belts? Air tablets?

Oreck UK - Frequently Asked Questions (FAQ's)
Not at all - simply come back to the web site where you can purchase everything you need online under the bags and belts section, call free 0800 684684, or go to one of the local dealers in your area. You can find your nearest dealer by selecting your location on "locate a dealer" page.
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What are the compressed air requirements?

Acoustic Cleaning FAQ from Primasonics International Ltd
The Audiosonic Acoustic Cleaners operate using normal plant compressed air provided three important factors exist. but remember the Audiosonic Acoustic Cleaner is only "sounded" for a few seconds over usually between every 3 - 30 minute period depending on the application.
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How clean should my compressed air be?

The Powder Coating Institute - For Industry - Chemical/Clean...
Next to proper grounding, clean compressed air is the most important thing. Oil and water do not mix with powder. In a powder system, air plays a big role. Powder is fluidized with air, pumped to the guns with air, and the cartridge filters are back-pulsed with air. The equipment and powder manufacturer should be consulted regarding the air quality for optimal performance. In general, a minimum 35?F dew point and less than 0.1 ppm contaminate or oil is a good starting point.
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How should I filter my compressed air?

The Powder Coating Institute - For Industry - Chemical/Clean...
Always consult your compressor manufacturer. You should have good oil and water extractors along with a refrigerant or a desiccant dryer system. With either system type selection, an oil coalescing filter with automatic drain and particulate filter are recommended.
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How do I order compressed air lines?

Hi-Tech Electric - contracting services for trade shows &...
If you require more than one outlet, order the first outlet at the appropriate rate from item "1. a." under "Description of Service" in our plumbing services form. Each additional outlet is to be ordered from item "b." This is based on the floor distribution for the additional outlets. Determine your CFM (cubic feet per minute) requirements and include this information. It can be located on the equipment itself.
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Why is there water in my compressed air lines?

FAQ
The water is condensation. Humidity in the air being compressed is drawn into the air compressor along with the air. The higher the humidity the more moisture contained in the air. Compression causes heat, so as the air cools the moisture in the air forms condensation and collects in low points in the compressed air systems, such as the air receiver, airlines and/or airline drops. Some or most of the moisture can be removed with the use of aftercoolers, dryers and/or filters.
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How often should I vacuum?

Frequently Asked Questions
It’s best to vacuum your carpet at least twice a week, if you can’t vacuum your entire house this often, at least vacuum the high traffic areas at least twice a week.
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How do I use the vacuum to remove the air?

PackMate Compression Bags: FAQs
Our space-making bags work with any vacuum hose nozzle. The easy to use directions are included with your order
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How does the Reveo vacuum out the air?

Marinade recipes for shrimp, steak, chicken, beef jerky reci...
The Reveo’s vacuum pump system draws air out of the barrel, depressurizing the contents. The Reveo meets the FDA regulations for a commercial-grade vacuum tumbler.
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Q3: Can I use compressed air with an airknife?

Support for Air movement Equipment, Fans, Blowers, Air Knive...
A3: No Secomak's air knives are specifically designed for use with lower pressure high velocity air supply for optimum Performance.
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What size compressed air line do I need?

FAQ's
The recommended compressed air line size, from the compressor to the dust collector, is ?" diameter for the first 75' of pipe with ?" diameter increases for each additional 50' increment. Top
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Do I need compressed air?

Industry Systems: MSC Scrap Material Handlers Frequently Ask...
Some baling systems use compressed air for self-cleaning and maintenance. If the baler requires a supply of compressed air, you may be able to use lines from an existing compressor or you will have to consider a new source.
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Do Air Force units sell patches to the general public?

USAFPatches.com: Questions/Help
Most units don't, but there are some that do. In most cases, official unit patches are procured with government-appropriated funds. In these cases, the units are not allowed to resale items purchased with government funds (they can go to jail for that). Sometimes however members of a unit will chip in their own money or use the coffee fund to buy extra patches that the unit will resale.
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How should I maintain my compressed air filters and air dryer?

The Powder Coating Institute - For Industry - Chemical/Clean...
Drain extractors daily and check internal filters monthly. Replace desiccant beads when indicated and have your refrigerant dryers serviced once a year. Depending on size and volume, an automatic indicator may be used to ensure proper performance. Again, always consult the manufacturer's manual.
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What's the difference between a canister and an upright vacuum?

Vacuum Cleaners - FAQ - Good Housekeeping
A canister vacuum is generally more versatile. Like uprights, canisters handle carpets, but they're also great at cleaning bare floors, vacuuming stairs and sucking up dirt from corners.
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How many vacuum cleaner bags do I get with the vacuum? How about vacuum belts? Air tabs?

Oreck product information for vacuum cleaners, air purifiers...
Yes. The hypo-allergenic inner vacuum bags are green and are used with the Oreck XL deluxe model. They have a filtering material inside of them. The regular inner vacuum bags are blue and are used with the Oreck XL base model. These vacuum bags have no filtering material inside of them - they are made of paper only. Both types are hotel size bags.
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What is the difference between compressed yeast and instant yeast ?

Answers to Frequently Asked Questions
Instant yeast is also called dry yeast. It is normally sold in 10-12 gm sachets and can be added directly into other ingredients. Compressed yeast is also known as fresh yeast and is sold in blocks. It is cream in colour and firm in texture. To use, crumble the fresh yeast in lukewarm water and leave to froth between adding to the other ingredients. Compressed yeast can be kept fresh in a freezer.
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What is the difference between monographs, general chapters, and general notices?

Frequently asked questions
Monographs are specific to an official article, product or ingredient and include the official title, descriptive information, definitions, packaging and storage requirements, identification tests, purity and limit tests and assays. General chapters describe tests and procedures common to multiple monographs. While all monographs are official and enforceable, only general chapters <1> to <999> are intended to be enforceable.
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What should I set my compressed air at for my pulse-jet baghouse?

Welcome to STANDARD FILTER
The manufacturers of the baghouse usually have designed the unit to operate with a specified pulse pressure. In the absence of that some general rules can be applied. For a typical baghouse with 10'-12' long bags the pulse pressure should be between 80-100 psig. Bags of 6'-8' would be lower (60-80 psig) and bags of 14' or more may require 120 psig or more to clean adequately.
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Is compressed air the only gas used to power a jet mill?

Jet Milling Equipment FAQs by The Jet Pulverizer Co.
No. Commercially, compressed air is by far the most commonly used gas but super heated steam (no moisture is present in the super heat state) is used in very large installations grinding primarily titanium dioxide pigment. Nitrogen is commonly used when a material must be ground in an inert atmosphere to protect from oxidation and possible fire or even explosion of the product. Argon has also been used for this purpose if the less expensive nitrogen was unsuitable.
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How much compressed air will I need to operate a press or thruster?

Frequently Asked Questions
The amount of air needed depends on the number of cycles run per minute, stroke length, cylinder size, and air pressure used. For 20 kHz presses with standard 2.5-inch bore air cylinders, use the following formula for a rough estimate of air requirements: For 40 kHz presses with standard 1.5-inch bore air cylinders, use the following formula for a rough estimate of air requirements:
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Can NEMO tents be inflated using compressed air?

NEMO: Airbeam Tents FAQs
Yes, but only with a NEMO approved inflation system. One of the great things about NEMO inflatable tents is that they are designed to be functional at low pressures and therefore don't require heavy pumps or compressed air for inflation. In turn, compressed air systems may be used for extremely rapid deployment, but they will need a regulator or blow-off valve to insure that the pressures do not exceed 9psi.
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