(EXP) comes with an explosion-proof motor, specifically designed for use in explosion-prone locations. Click “certifications” for better understanding for when required.
(HRSM-EXP) come standard equipped with conduit fittings, 4-position pivoting atomizer, hose connect with float valve control, in-line strainer, a rugged 18-gallon wheeled supply tank, plus more. An optional all-stainless-plumbing model (SST) is available for use with highly corrosive chemicals.
(XE) is our most powerful atomizer. Designed to endure harsh environments in a variety of commercial & industrial applications. They connect to ordinary water supplies requiring no high-pressure pumps or nozzles.
XE HRSMs have enormous fogging capability, producing tiny particles that evaporate quickly. HRSM-Exp gets regulated by a quarter-turn ball valve and can be operated continuously or automated using a secondary hazardous-duty controller.
Indoor/Outdoor applications include: Humidification, Evaporative Cooling and Chemical Fogging.
Stainless-steel fabrication and UV stabilized polymers allow for harsh-environment use. Comes with 25’ power cord & fitting


HRSM-EXPs have an internal feed pump, a flow control valve and an internal float control valve. Units DO NOT come supplied with On/Off switch control.
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A quarter turn valve controls fogging output. Lower flow rates are generally used in applications requiring drier fog.
Flow Control Rate per Application:
| Full Open | Mid Open | Slightly Open | |
|---|---|---|---|
|
Ag/Horticulture Outdoor Cooling |
Ag/Horticulture Indoor Applications Spot Cooling Dust/Static Control |
Chemical Fumigation Dust/Static Control Mfg. Humidification |

Our exclusive blade design enhances reliability and performance.

The SST version comes with all-stainless-steel plumbing components (installed). Ideal when fogging highly corrosive chemicals.

A specially engineered drainage port located at the bottom of the motor allows condensation to escape while retaining the motor’s explosion-proof properties.


| Unit Dimensions: |
Width 21 in / 53 cm Length 25.5 in / 65 cm Height 44 in / 112 cm |
| Approximate Unit Weight: | 88 lbs / 39.9 kg |
| Shipping Weight: | 138 lbs/ 62.6 kg |
| Shipping Dimentions: | 46”x 24”x 32” (LxWxH) |
| Fogging Head Pivot Angle: | 0°, 15°, 30°, 45° |
| Propulsion Distance: | 30 - 35 ft / 9.1 - 10.5 m |
| Main Motor: | 1/2 HP - 7.8 amps @ 115V 60Hz |
| Noise @ 10 ft: |
72 dB(A) |
| Average Particle Size: |
5-10 microns @ low volume 20 microns @ mid volume 25 microns @ high volume |
| Max. Fogging Output: |
13.5 GPH |
| Tank Capacity: | 18 US gal / 68 L |
| CFM: | 3,000 |
| Cooling Capability: | 109,350 Btu/h |
| 304 Stainless Steel: |
All hardware, sheet steel and |
| Environment: |
Endures temperatures from Indoors / outdoors Humidity to 85% RH UV stabilized & impact resistant |
| Country of Origin: |
USA |
ABB Explosion-Proof motors are UL and CSA approved for the following hazardous locations:

This high-quality plug can be used with the HRSM-EXP to allow for mobility. Only use in conjunction with a hazardous duty receptacle.

Ideal for applications below 95% Relative Humidity
This precision hand-held thermo/hygrometer is ideal for measuring and monitoring ambient temperatures and relative humidity in a wide range of professional and industrial applications. Dual readout LCD displays
in °F or °C.

Ideal for applications up to 100% Relative Humidity
This precision hand-held thermo/hygrometer is ideal for measuring and monitoring ambient and dew point temperatures and relative humidity in a wide range of professional and industrial applications. Dual readout LCD displays in °F or °C.