Model 24-1

Model 24-1

A single packaged unit used as a backup to the primary inflation source. System includes (1) 24″ inflation fan, internal combustion engine and pre-wired control system. Shipped fully tested, needs only power and fuel connections to be operational.

Single Blower
Download PDF Drawing

Standard Features

Base and housing fabricated from heavy gauge galvanized steel.
Top corners are radius to prevent potential fabric damage.
Louvered motor compartment door.
Intake louver equipped with fabric back draft dampers for noiseless operation.
Opposed blade balancing damper mounted in discharge duct.
Primed and painted with polyurethane paint.
Lifting eyes at each corner.


Heavy gauge welded construction.
Backwardly inclined wheel exhibit non-overloading characteristics, low noise generation
and stable performance over the entire pressure curve.
Wheel is dynamically balanced in two-planes.
Bearings are self-aligning with spring lock collars, double row units are installed on the
driven end of the shaft. All bearings have remote grease lines.

Drives & Motors

Emergency backup engine is industrial grade, mounted on adjustable base, equipped
with heavy duty centrifugal clutch and double “B” V-belt drive to fan.
Standard fuels are LP and natural gas. Gasoline and diesel available at extra cost.

Control Panel

Enclosure: Carries NEMA 4-12 label.
Indicators: Building pressure gage – Status lights for control power and building
Engine starts whenever pressure drops below set point and or whenever electrical
power is lost. (requires connection to primary inflation electrical supply)
Switches & modes of operation,
Emergency engine: TEST – AUTO – MAINTENANCE.
Performance Capability (example)
6,932 cfm @ 1.5″ w.c., 1,176 r.p.m. requires 2.79 bhp.