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PROTEX Vortex A/C Cooler System


PROTEX Vortex A/C Cooler System

(DUAL certification in UL AND ATEX!)

Keep Enclosures cool in ATEX Zones and other hazardous locations

ProtEX Vortex A/C Coolers are designed specifically for purged * Electrical enclosures in ATEX Zones 1 and 21, UL Class I, Div. 1 (Groups A,B,C and D), Class II, Div. 1 (Groups F and G), Class III and Temperature Class T3 areas. The ProtEX Vortex A/C incorporates the most up-to-date features into Vortec’s line of highly reliable, cost-effective enclosure coolers.

  • Sleek, modern design
  • Noise reduction of 78%, when compared to other vortex enclosure coolers
  • Energy use reduction through its integral mechanical thermostat
  • Filter contains pressure drop indicator notifying you of needed filter changes
  • Quick and easy installation in about 5 minutes
  • Flexible installation: top, side or front (door) mount
  • Incorporates check valve to prevent loss of enclosure pressure when cooling is not required
  • ATEX Certification Ex II 2 GD
  • UL Classified Class I Div. 1, Class II Div. 1, Class III
  • Ex h llC T200C Gb
  • Ex h lllC T200°C Db
  • Ta+10 to +80C
  • T3 Temperature Class rating

The ProtEX Vortex A/C is available in 4 different cooling capacities; 900,1500,2500 and 5,000 BTU/hr. All of Vortec’s Enclosure Coolers keep Electrical and Electronic Enclosures cool, clean and protected and are a low cost alternative to expensive, high maintenance air conditioners; and avoid contamination with dirty, humid air caused by fans. Today’s small, compact multi-function electronic controls, variable speed drives, servos and programmable logic controllers are extremely sensitive to heat and contamination. Smaller cabinet sizes make temperature control difficult and prone to premature failures. Excessive heat will cause digital displays to misread, controls to drift, and breakers to trip below rated loads. The result is productivity lost due to machine or line shutdowns.

ProtEX Vortex A/Cs maintain a slight pressurization on the cabinet to keep electrical and electronic components clean and dry; and most are thermostatically controlled to maintain enclosure temperatures within a specified temperature range.

The ProtEX models have a 3 year warranty. We recommend that the product be replaced after 3 years because there is an internal part (a one-way valve on the hot exhaust) that has a limited life span. Failure or malfunction of this internal part will not affect the hazardous location rating of the product. However, after 3 years the part can lose its functionality and the cooling efficiency and sound level can deteriorate.

* Purge system not included with purchase


  • Easy to install, takes about 5 minutes
  • No wiring required to install
  • ATEX Certified for Zones 1 and 21
  • UL Classified for Class I Div. 1 (Groups A,B,C and D), Class II, Div. 1 (Groups F and G) and Class III
  • Thermostatically controlled to maintain enclosure temperatures within ideal range
  • Filter contains pressure dop indicator notifying you of needed filter changes
  • Highly reliable, with full 3 year warranty
  • No ambient, dirty or humid air enters the cabinet
  • Can be used on all cabinets, even in tight spaces
  • Operates in environments up to 175 deg F
  • Significantly lower cost, compared to explosion proof Freon air conditioners
  • Reduce operating cost with mechanical thermostat turning the unit on only when necessary
  • Very quiet, 62 dBA operation, 78% quieter than typical vortex coolers
  • Multiple cooling capacities available, to optimize performance and operating cost
  • Little maintenance required, as compared to Freon A/C and fans
  • Use no refrigerants
  • Sleek, modern design


  • ATEX Certified Ex II 2 GD T3
  • UL Classified Class I Div. 1, Class II Div. 1 and Class III
  • Ex h llC T3 Gb
  • Ex h lllC T200C Db
  • Ta +10 to 80C
  • Tamb 10°C to 80°C (50°F to 175°F)
  • 3 year warranty
  • Small footprint to fit on all enclosures and in confined areas
  • Top, side or front (door) mount models available
  • Maintain temperature between 75 – 100 deg F
  • Supplied with air filter and ducting kit
  • Maintains slight pressurization in the enclosure

DOWNLOAD SPECIFICATIONS FOR Model 8115, 8125 and 8134



PRODUCT NUMBER Cooling Capacity (BTU/hr) Air Consumption @ 100 psig (scfm) Rating System or Cooler Only? Sound Level Thermostat
MODEL 8115 900 15 ProtEX* System 60 dBA Mechanical
MODEL 8125 1500 25 ProtEX* System 66 dBA Mechanical
MODEL 8135 2500 35 ProtEX* System 72 dBA Mechanical
MODEL 8170 5000 70 ProtEX* System 75 dBA Mechanical

* ATEX Certified Zones 1 & 21

*UL Classified for Class I, Division 1, Groups A, B, C and D, Class II, Division 1, Groups F and G, Class III

*Temperature Class T3 Areas


ITW Vortec is proud to release an exciting update to our popular line of enclosure coolers. The ProtEX Vortex A/C enclosure cooler, released in April of 2017, has been granted certification for Class I, Division 1, Groups A, B, C and D; Class II, Division 1, Groups F and G; and Class III, after extensive review by Underwriter’s Laboratories (UL). The new UL Classification is on top of the existing ATEX Certification for Zones 1 and 21, which complies with the latest EN ISO 80079 36:2016 standard. The unique combination of UL Classification (UL File E356284) and ATEX Certification greatly expands the industries and locations where Vortec enclosure coolers can be used. We asked Vortec Engineer, Steve Broerman, about what this dual certification can mean for industrial facilities.

“ATEX and UL Certification means that industrial facilities can now save thousands of dollars while cooling electrical, electronic and control system enclosures in ATEX Zones 1 and 21, as well as Class I, II and III Division 1 locations. Previously, industrial facility managers had to purchase large, heavy and expensive hazardous location air conditioners, requiring a large initial investment with ongoing maintenance costs. The new ProtEX models are small, easily installed and require minimal maintenance costs. In addition, they are certified for ambient temperatures up to 175°F, which is significantly greater than most hazardous area rated Freon air conditioners.”

The newly certified ATEX and UL ProtEX Vortex A/C models 8115, 8125, 8135 and 8170 draw on Vortec’s fifty plus years of air technology expertise and an in-depth knowledge of industrial needs. Vortec noticed a need for cost effective, efficient cooling solutions in industrial environments, specifically in hazardous locations. These Vortec models offer 900, 1500, 2500 or 5,000 BTU/hour cooling capacity to suit the differing needs of each enclosure and facility. Vortec’s ProtEX Vortex A/C units are designed to cool enclosures quietly, with 62 dBA operations, 78% quieter than typical vortex coolers. The design of the product, along with the customer’s purge and pressurization unit, ensures that the electrical enclosure stays cool and slightly pressurized to protect it from the hazardous environment. They require no wiring and can be easily installed in under 5 minutes. A mechanical thermostat turns the cooling on only when necessary, giving you greater efficiency and savings. Plus, with the addition of a new filter with a pressure drop indicator, notifying you of necessary filter changes, you can ensure continued efficiency and safety. All four of the Vortec ProtEX models have a small footprint, allowing it to fit in confined areas, have top or side mount capabilities, carry UL Type 4X certification and are approved for a Temperature Class of T3. The Vortex A/C units have already been successfully cooling in a wide range of industrial environments from petrochemical plants to food manufacturing and foundries.

Cincinnati based, ITW Vortec is proud to be a market leader and innovator of compressed air solutions since 1961. Vortec was the first company to develop the technology for converting the vortex tube phenomenon into practical and effective, industrial cooling solutions. The release of our UL Classified ProtEX Vortex A/C is a continuation of this passion and commitment towards offering innovative compressed air application solutions. Vortec offers a variety of pneumatic products to provide effective cooling, blow off and conveying solutions that help companies improve productivity and efficiency.