Single Speed (SS) Electric Positive Pressure Ventilation (PPV)

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Tempest Single Speed positive pressure ventilation (PPV) fans feature some of the lightest designs available and are perfect for departments looking to go electric on a limited budget.

Available with hazardous location (Explosion Proof, EP) motors which are intended for Class 1, Group C&D and Class 2 Group F&G environments. Motors can be ordered in 120V/60 Hz or 230V/50Hz

TYPE Positive Pressure Ventilation Fan, Cone Air Flow (CAF)
BLADE 16″, 18″, 21″, or 24″ Diameter Assembly,  AirFlex Fiberglass Reinforced Polyamide Blades
FRAME Rugged, Lightweight, Square-Steel Tubing with Powder-Coat Finish
SHROUD Turbo 2000 Design, Tapered Aluminum w/ Durable Powder-Coat Finish

16″ Models: 6″ Non-Pneumatic w/ Steel Hubs

18″, 21″ and 24″ Models: 8″ Non-Pneumatic w/ Steel Hubs

GRILLE Continuous Circular-Wound, External-Weld Steel Wire with 8 Tie Points for Additional Safety
Meets UL & European CE Safety Standards

Single Speed Electric

16″ Models: 1.5 HP TEFC Motor

18″, 21″ and 24″ Models: 1.0 HP TEFC Motor

GFCI Compatible: Designed to Run on 15 AMP Circuit – Actual Draw Approx. 14 AMP

110V / 60Hz Standard (Other Options may be Available)

EXPLOSION PROOF MOTOR OPTION Rated for Class I (Groups C & D) and Class II (Groups F & G) Environments
MAXIMUM CORD LENGTH 14 GA. – 60′ 12 GA. – 95′ 10 GA. – 150′ 8 GA. – 240′ 6 GA. – 380′
TILT Foot-Operated Tilt Mechanism
16” Models: Four Position Tilt, +10°, +5°, 0°, -5°
18”, 21”, 24” Models: Five Position Tilt, +15°, +10°, +5°, 0°, -5°


Part No. Model No. Dia. HP CFM Dimensions (W" x D" x H") Weight
Single Speed Electric (120V, 60Hz)
910-1200 SS-16-S-1.5 16" 1.5 11,804 20.50" x 19.75" x 21.75" 74 lbs.
910-1220 SS-18-S-1.0 18" 1.0 8,748 22.00" x 21.00" x 24.25" 76 lbs.
910-1240 SS-21-S-1.0 21" 1.0 11,698 24.75" x 21.00" x 26.25" 81 lbs.
910-1260 SS-24-S-1.0 24" 1.0 12,687 28.00" x 21.00" x 30.00" 90 lbs.
Single Speed Electric - Hazardous Location
(Explosion Proof) (120V, 60Hz)
910-1201 SS-16-S-1.0-EP 16" 1.0 11,804 20.50" x 19.75" x 21.75" 79 lbs.
910-1221 SS-18-S-1.0-EP 18" 1.0 8,748 22.00" x 21.00" x 24.25" 81 lbs.
910-1241 SS-21-S-1.0-EP 21" 1.0 11,698 24.75" x 21.00" x 26.25" 86 lbs.
910-1261 SS-24-S-1.0-EP 24" 1.0 12,687 28.00" x 21.00" x 30.00" 95 lbs.


GFCI Compatible Single Speed Electric

The Single Speed’s 1.5 and 1.0 HP motors are extremely simple to operate with only a single switch used to turn the unit ON or OFF. All models are GFCI compatible and will run on any 15 amp circuit without tripping the breaker. Every Single Speed positive pressure ventilation fan provides impressive CFM capable of creating positive pressure ventilation.

Explosion Proof Option

One of the benefits of a single speed electric motor is its ability to be readily built into an explosion proof housing. The Single Speed EP motor option is rated to operate safely in Class I, Groups C & D and Class II, Groups F & G environments. When dealing with potentially flammable environment, EP is a must. Optional explosion proof ON/OFF switch also available.

16″ Single Speed Explosion Proof Part No. 910-1201
18″ Single Speed Explosion Proof Part No. 910-1221
21″ Single Speed Explosion Proof Part No. 910-1241
24″ Single Speed Explosion Proof Part No. 910-1261

NOTE: Explosion Proof options do not affect Power Blower size or performance.

Welded Steel Roll Cage Frame

Every bend and cross brace weld is structurally engineered to increase the blower frame’s strength to weight ratio by as much as 30%. Welds eliminate the need to continuously maintain/tighten nuts and bolts. Its roll cage design gives protection to all angles and sides of the shroud and motor.

AirFlex Composition Impeller

Uniquely designed impellers deliver maximum air volume (CFM), velocity and pressure from each Tempest Power BlowerTM. Every size and type of fan features a blade designed specifically for it to deliver the greatest performance possible. Composite blades are much safer than traditional metal blades as they are designed to disintegrate upon impact of any foreign objects. Metal blades may fragment when integrity is compromised, potentially causing severe injury.

Turbo 2000 Shroud

By redesigning the inward curve and front of the shroud, the Turbo 2000 increases air velocity by up to 30%. The air hitting the ventilation opening is stronger and maintains PPV pressure farther downwind.

Flip-Up/Fold-Down Handle

The exclusive full width handle design makes pushing or pulling the positive pressure ventilation fan to and from the ventilation site quick and easy. The handle quickly swings up to a comfortable height and automatically locks firmly into position. Unlatch and easily fold the handle down for storage at the PPV fan’s listed dimensions.

Dual “Winning Step”

No levers to set or knobs to tighten when setting the angle for PPV. Foot operated adjustment is quick, easy and secure. Dual step allows for adjustment with either foot. Four back and one forward tilt position.

Safety Grille

Front and rear safety grilles feature a continuous spun wire body with eight tie point bars that also support the “Turbo 2000” shroud integrity. Meets strict European CE Safety Standards.

Information/Safety Bar

Features a large section of durable, reflective material to dramatically increase visibility of the blower from front view and a full list of instructions on the back to allow for safe and effective use.