La-Man 140 Extractor Dryer Rental 250 SCFM SPED
Operating Information
FAQ'S
1. HOW DOES THE EXTRACTOR/DRYER® COMPARE TO OTHER FILTERS?
The Extractor/Dryer is designed to coalesce, extract moisture, and filter compressed air all in one unit. The Extractor/Dryer is not flow sensitive (i.e. you do not need to be as precise when sizing our units to the SCFM) like other units that spin the air for separation. Other units may be only one or two stages, using porous plastic, bronze, paper or other elements that are small in size and rely only on baffles to remove liquids and contaminants.
2. WHY INSTALL THE EXTRACTOR/DRYER AT THE POINT-OF-USE?
Warm air holds more moisture than cold air. Air at the compressor has been warmed by the heat of compression, allowing it to hold the moisture in a gaseous form. As the air travels throughout the piping systems, the air cools. When the air cools, moisture condenses into liquids. The Extractor/Dryer needs to be installed at the point of use to remove the condensed liquids generated by the cooling that took place.
3. HOW FAR FROM THE POINT-OF-USE CAN THE EXTRACTOR/DRYER BE PLACED AND STILL HAVE GOOD QUALITY AIR?
For best results, install the Extractor/Dryer as close as possible to the point-of-use. As a general
rule the Extractor/Dryer can be installed up to 25 feet from the point-of-use. When trying to install the filter up to 25 feet from the point-of-use, pay attention to what happens to the airline after the filter (i.e. temperature changes, piping loops, etc.). These items may require the Extractor/Dryer to be installed closer to the point-of-use than 25 feet.
4. HOW ARE THE MOISTURE AND CONTAMINENTS EXPELLED FROM THE EXTRACTOR/DRYER?
The base and chamber effectively traps moisture and contaminants as a result of the honeycomb base core. Once particles are contained in the base and chamber, they are then removed through the standard weep drain or optional automatic Float Drain. The weep drain must always remain open, as this is the only exit for moisture. The pin in the weep drain is specially designed to prevent clogging and allow the passage to be free of contaminants. Constant hissing or leakage is normal. To prevent any loss of air or noise, simply order an automatic Float Drain with your Extractor/Dryer.
5. HOW DO I SERVICE MY EXTRACTOR/DRYER?
All filters require servicing. We have designed the Extractor/Dryer to be as user friendly as possible when changing the elements. By simply removing one bolt, the unit can be completely serviced without removing it from your airline. Service kits are complete and provide all serviceable parts needed to properly maintain the efficiency of the Extractor/Dryer.
6. IS WATER IN GAS FORM HARMFUL?
Moisture in gas form will not harm approximately 90% of equipment using compressed air as long as there are no liquids present. There are some Hi-Tech laser applications in which gases are harmful to the operation. The Extractor/Dryer should not be used in these applications. Our SuperStar™ Membrane Dryer may be the right choice for special applications.
7. WHAT IS THE EFFECT OF LA-MAN AIR ON COLD DOWNSTREAM INSTRUMENTS AND PARTS.
If the temperature of the air after the Extractor/Dryer is altered significantly, condensation will occur and moisture will form. If the temperatures are cool enough, the liquids may freeze the tool during operation. In this case, the Extractor/Dryer must be installed closer to the point-of-use. If the temperature at the point-of-use is cool enough to cause condensation, this is where the Extractor/Dryer should be located. Remember the Extractor/Dryer will remove liquids & particles. It will not remove vapors.
8. HOW DOES ALL THAT WATER GET INTO MY AIRLINE?
When air is compressed, the moisture and contaminates may not compress. With 10 to 1 compression, 10 cubic feet of air, moisture and contaminates are compressed into 1 cubic foot. Because air compresses, there are now 10 times the amount of moisture and contamination in that cubic foot of air. Heat is also generated during compression. The heat will carry the moisture into the pipe system until the air has had time to cool. The moisture then condenses into liquid form, this moisture causes rust and scale. Also, if your compressor is using any oil, it gets diluted and picks up contamination as it travels down the airline. The result is ruined equipment or processes caused by wet oily air.
Offering a wide range of compressed air filtration products and devices, this diagram is an example of a typical installation of La-Man products.
1. Pneumatic/Dryer units installed within 6 feet of end of use for that final filtration.
2. Extractor/Dryer® units installed for primary filtration and moisture removal.
3. Dryer/Pneuguard® Oiler installed to provide automatic lubrication and filtration for pneumatic tools.
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- Laman Extractor Demonstration Video
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