Apr 07

5 Ways DEMARCO Vacuums Revolutionized the Vacuum Industry

stationary industrial vacuum T1000Did you know that for more than 45 years, DEMARCO Vacuums has been a groundbreaking pioneer in the field of advanced vacuuming technology? It’s true.

Founded by inventor and industrialist, Thomas M. DeMarco, DEMARCO Vacuums holds numerous US, Canadian and other foreign patents related to vacuum technologies. More than just an industrial vacuum systems manufacturer, DEMARCO holds more patents than any other competitor in the industry—and this innovative spirit continues today.

DEMARCO Vacuum’s revolutionary industrial vacuum technologies have changed the way people approach industrial cleaning jobs. Check out some of their patented technologies!

  1. High Suction Vacuums With Positive Displacement Pump Technology: Thomas M. DeMarco patented the original large-scale industrial cleaner using high suction and positive displacement pumps to the marketplace in 1968 for the foundry industry worldwide.
  2. Bag-Type Filter Technology: Also first utilized by Thomas M. DeMarco in 1968, this now outdated technology is still being used today on many competitor systems with either a manual shake or continuous air-pulse jet cleaning method.
  3. Patented Laterally Offset 3-Stage 2-Compartment Material Separation Circuit: Exclusive to DEMARCO Vacuums, this technology ensures absolute minimal material carryover which greatly increases vacuum efficiency and performance.
  4. Pleated Cartridge Filter Technology: Forever changing the vacuum landscape, DEMARCO was the first to introduce and use pleated filter technology in 1986. Featured in the newly patented DEMARCO Vacuum line, competitors who use pleated cartridge filters today do so thanks to DEMARCO’s innovation.
  5. Patented Silencer Base® Muffler Technology: Another exclusive DEMARCO feature, this technology’s newly improved design provides unsurpassed low decibels. It’s compact and aesthetic design makes it a superior option to competitor offerings.

DeMarco Industrial Vacuum Corporation continues its tradition of high quality manufacturing today with new and exciting innovations. Their team of skilled Engineers is ready to serve you. Contact DEMARCO Vacuums today to learn more about their products, services and capabilities.

Mar 24

Overview of the DEMARCO Portable Industrial Vacuum Systems

demarco vacuum controllerDEMARCO® has introduced unmatched patented technology which has lead the industrial vacuum systems industry for over four decades. DEMARCO’s Portable Industrial Vacuum Line features a new low profile compact design as well as an exclusive 3-Stage, Two Compartment Material Separation Cyclonic Circuit and the DEMARCO® Silencer Base® Muffler. Built for extremely heavy-duty applications for both indoor and outdoor usage, DEMARCO’s portable vacuums range from 15 HP to 250 HP. These systems will collect nearly any wet/dry materials – from the heaviest, most abrasive to the finest of powders – without interruption.

DEMARCO’s Competitor vacuums have their material separators located directly under their filter compartment resulting in:

  • High Dust Velocities and High Material Carryover to Filters
  • High Workload and Wear on the Filters
  • Expensive Maintenance and Timely Labor
  • Substantial Material Build-Up into the Filter Chamber
  • Shortened Vacuum Pump Life

Material collection hopper sizes are available from 1/3 up to 3 cubic yard capacities. Adding an optional Powerhead Air-Lift Circuit makes for quick and easy material collection hopper sealing. Here’s an overview of the DEMARCO Portable Industrial Vacuum models:

DEMARCO® 1000 Series Portable Industrial VacuumsDEMARCO® 1000 Series Portable Industrial Vacuums

  • 15 HP to 30 HP Drive Packages
  • 1/3 to 3 Cubic Yard Collection Hoppers
  • Vacuum up to 265 Lbs. per Minute
  • Positive Displacement Blowers up to 17″ Hg (Mercury)
  • Up to 790+ CFM

DEMARCO® 2000 Series Portable Industrial VacuumsDEMARCO® 2000 Series Portable Industrial Vacuums

  • 25 HP to 50 HP Drive Packages
  • 1/2 to 2-1/2 Cubic Yard Collection Hoppers
  • Vacuum up to 465 Lbs. per Minute
  • Positive Displacement Blowers up to 27″ Hg (Mercury)
  • Up to 1150+ CFM

DEMARCO® 4000 Series Portable Industrial VacuumsDEMARCO® 4000 Series Portable Industrial Vacuums

  • 40 HP to 150+ HP Drive Packages
  • 1-1/2 to 2-1/2 Cubic Yard Collection Hoppers
  • Vacuum up to 48 Tons per Hour
  • Positive Displacement Blowers up to 27″ Hg (Mercury)
  • Up to 3410+ CFM

Additional options for our Portable DEMARCO® vacuums include over-the-road trailer mounted or in-plant towable packages. Even more, this vacuum line can be connected to a central manifold system with multiple pick-up point connections allowing multiple users simultaneously for even faster cleanups.

Jan 04

OSHA Dust Classifications and Industrial Vacuum Systems

The health and safety issue of combustible dusts reached its apex back in 2009, when the Occupational Safety & Health Administration (OSHA) released their National Emphasis Program NEP on combustible dust. The NEP was released in order to focus attention on the agency’s efforts to mitigate dust-related explosions. Part of the NEP standard 1910.307(b) posted stipulations about the use of electric industrial vacuums in areas where combustible dust accumulates. This standard is defined by NFPA 70 from the National Electrical Code.

An explosion proof industrial vacuum / dust ignition proof vacuum or a combustible dust safe pneumatic industrial vacuum should meet requirements for use in the OSHA dust classifications of: Class 1, Group D and Class II, Groups E, F, and G.

For more information on industrial vacuum filters, including how to select the right media for the material you are picking up, please contact us or visit the DEMARCO Vacuum Accessories page.

Summary of Class I, II, III Hazardous Locations*






I Gases, vapors, and liquids (Art. 501) A: Acetylene
B: Hydrogen, etc.
C: Ether, etc.
D: Hydrocarbons, fuels, solvents, etc.
Normally explosive and hazardous Not normally present in an explosive concentration (but may accidentally exist)
II Dusts (Art. 502) E: Metal dusts (conductive,*and explosive)
F: Carbon dusts (some are conductive,* and all are explosive)
G: Flour, starch, grain, combustible plastic or chemical dust (explosive)
Ignitable quantities of dust normally are or may be in suspension, or conductive dust may be present Dust not normally suspended in an ignitable concentration (but may accidentally exist). Dust layers are present.
III Fibers and flyings (Art. 503) Textiles, wood-working, etc. (easily ignitable, but not likely to be explosive) Handled or used in manufacturing Stored or handled in storage (exclusive of manufacturing)

These industrial vacuums should include vacuum features such as motor, switches, filters, and inner chambers that are designed specifically for use in combustible dust applications or situations. In addition, an explosion proof vacuum should have a graduated filtration system that traps and keeps the combustible dust particles from moving out of the equipment back into the air. A HEPA filter is most often used in order to clean the exhaust of the vacuum. High quality HEPA filters provide a strong defense for prevention of small dust particles escaping back out into the air.

For companies that must regularly handle the removal of combustible dust, an explosion proof industrial vacuum is a smart investment. Before purchasing, however, research is a must – ensuring the right machine is matched to each specific situation. When matched properly, the right machine can be matched to the needs of the company in question, ensuring proper plant safety.

Sep 10

Grain Dust Removal: What Features Should You Look at in an Industrial Vacuum?

industrial vaccum systemGrain dust is highly combustible and can burn or flare up if enough becomes airborne or accumulates on a surface and finds an ignition source. To help reduce or eliminate accumulations of ignitable dusts inside a plant or facility, industrial vacuums are the ideal solution for efficient and effective cleaning.

The amount of grain dust accumulation necessary to cause a risk for explosion can vary greatly. This is because there are so many variables – the grain dust particle size, the method of dispersion, ventilation system modes, air currents, physical barriers, and the volume of the area in which the grain dust cloud exists or may exist.

The OSHA ventilation standard, 29 CFR 1910.94, contains ventilation requirements for certain types of operations (such as abrasives, blasting, grinding, or buffing) which involve dusts, including dusts that can become combustible. Additionally, 29 CFR 1910.22(a)(1) requires employers to keep work places and other areas clean, which includes the removal of dust accumulations.

In nearly all industries, the National Fire Protection Association (NFPA) recommends vacuum cleaning as the preferred first defense method of controlling dust. The 2013 revision of the NFPA 654 standard, issued by the Standards Council last year, states that vacuuming is the preferred method of cleaning.

When choosing an industrial vacuum to safely remove grain dust, what features should you look at in an industrial vacuum?

HEPA Filtration – If the collection of ultra-fine particles is a concern, the vacuum should utilize a multi-stage HEPA (High Efficiency Particulate Air) filtration system. HEPA filters remove 99.97 percent of particles at 0.3 microns, and they keep pollutants from re-entering the air supply. A heavy-duty, multistage filtration system will provide minimal material carryover to filters, catching and retaining particles as they move through the filter layers.

Continuous-Duty Operation – Cleaning times for manufacturing equipment can vary, so select a vacuum that provides continuous-duty vacuum operation. The vacuum should include a high-performance, automatic pulse-jet cartridge filter cleaning feature to save on manual labor and vacuum downtime. Look for a vacuum that doesn’t require shutdowns for filter cleaning.

test14aLimited Lifetime Warranty – Any industrial vacuum should come with a limited lifetime warranty. Purchasing a vacuum system is a long-term investment decision, which is why it is important to get a manufacturer’s warranty giving you the assurance and long-lasting protection in the product you are buying. It marks the manufacturer’s unwavering commitment to quality that lasts.

These are just a few of the many factors to consider when purchasing an industrial vacuum system. Ultimately, the overall solution must address the process requirements, materials and the volumes processed.

May 28

The Advantages of a Vacuum System Over a Vacuum Truck

Excess materials, fine particulates, liquids, dirt and dust all are a constant factor in manufacturing plants, work sites, food production facilities, and other commercial locations. Over time, these elements become both a safety hazard and tripping or slipping hazards. As well, there are often accidental spills that require quick clean up in order to keep production moving.

Industrial vacuums systems ensure timely material pickupImmediately vacuuming these materials is the best way to keep work areas clean and safe. Whether to rent a vacuum truck rather than make the investment in a permanent facility-based vacuum system is the choice that management faces. So what are the differences between the two options?

  1. Timing of Clean-up: More than likely a plant or facility should be cleaned daily or at least each week in order to stay on top of the amount of excess grime, dust, and dirt that accumulates. With an in-plant vacuum system, it is both easy and cost effective to clean up excess materials, spilled liquids, and other grime on a routine schedule. Renting a vacuum truck would require it to be on site when clean up is needed. And having it on a regular basis would drive the rental costs up. Also in emergency situations, it would take time to locate, rent, ship, and then use a vacuum truck to clean up accidental spills or large accumulations of materials. However, with an in-house vacuum system, clean up could happen immediately.
  2. Location and Accessibility: With a plant system that is either mobile or has a network of vacuum piping throughout the facility, clean-up equipment can be located close to the actual source of dirt, dust and scrap materials. With a vacuum truck, the length of hoses may not accommodate the desired length needed to reach the most egregious amounts of refuse.
  3. Equipment Training: With an in-house vacuum system, training will come from the manufacturer and since the equipment will always be onsite, additional training will only be necessary for new employees. With a rental vacuum truck, you may never know what truck or vacuum system that you will get. Therefore, before clean-up can begin, equipment training or reading of manuals will be required before work can be start – adding to overall clean-up time and truck rental costs.
  4. Dirty facilities decrease production and increase hazardsVolume of Clean-up: A productive factory or manufacturing facility will always be producing scrap materials, production dust, regular dirt and other liquids or dry materials that need to be cleaned on a consistent basis in order to keep the shop environment safe and healthy. This volume of material could easily overwhelm even the largest rental vacuum trucks in one visit, let alone several visits, especially if utilized over longer periods of time. An in-house vacuum system would be configured to accommodate the current and anticipated volume of garbagelike material and easily clean it up on either a daily or weekly basis.
  5. Cost of Equipment: Although renting a vacuum truck in the short term will be less costly than installing a vacuum system, over the long term, this installed system would pay for itself as well as provide assurance that the company is adhering to OSHA laws regarding clean-up of combustible dust and materials. In general, an in-house system will provide for an ongoing clean and safe work environment for employees and customers.

Commercial and industrial cleaning is a critical operational aspect for any company. The safety and cleanliness of the facilities and the equipment used creates a safe workplace for all.