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.

Performance Capability (example)
6,932 cfm @ 1.5″ w.c., 1,176 r.p.m. requires 2.79 bhp.

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Model 24-2

Model 24-2

A single packaged unit incorporating both primary and secondary inflation fans, backup power source and pre-wired control system.

Performance Capability
Call for fan curves for your specific requirements.

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Model 30-1

Model 30-1

A single packaged unit incorporating both inflation fan, auxiliary power sourceand pre-wired control system.

Motor is a high efficiency ODP type, mounted on adjustable base, with “B” V-belt drives to the fan.

Auxilary engine: TEST – AUTO – MAINTENANCE.

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Model 30-2

Model 30-2

A single packaged unit incorporating both primary and secondary inflation fans, backup power source and pre-wired control system.

Performance Capability (per fan)
10,906 cfm @ 1.5″ w.c., 990 r.p.m. requires 4.39 bhp

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Three Leaf Revolving Door

Three Leaf Revolving Door

The fully operational entry is designed to meet the unique demands of an air supported structure. The design allows for the highest volume of traffic with minimal air loss. The three leaf configuration provides ample walking area even while equipment is being carried.

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Vehicle Air Lock

Frames are shipped complete with all assembly hardware including diagonal cables. (Anchors Not Included) Maximum distance between sections, 16′-0″ For heavy snow and or high wind loading, additional purlins are required, spacing between sections is reduced.

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Double Wide Exit Door

Double Wide Exit Door

Essentially two of our extra with emergency exits mounted in a common frame.

Center pivot mechanism width spring loaded hinges, negates the effect of the internal structure pressure while insuring proper door closure.

We offer special adaptations and or designs to meet your specific requirements.

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Base Mounted Lighting

A mounting system utilizing Spero Lighting’s “BROADLITE” metal helide type fixture (two – ten) mounted on a pivoting pole system specially designed for use in air supported structures. Configured for perimeter or center structure installations.

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Model 33-DW

A single packaged unit incorporating both inflation fan, backup power source and pre-wired control system. Shipped fully tested, needs only power and fuel connections to be operational. Emergency engine may be deleted in redundant units when multiple units are used on the same structure.

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Four Leaf Revolving Door

Four Leaf Revolving Door

The fully operational entry is designed to meet the unique demands of an air supported structure. The design allows for the highest volume of traffic with minimal air loss. The four leaf configuration provides easy access. The materials and finishes used in the door result in durability and an appearance that is aesthetically appealing.

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Emergency Exit Door

A unit specially designed to meet the unique criteria of an air supported structure.
Unit is designed to for use in structures operating at pressures up to 2.5” wc.
Door is NOT to be used a part of the structure anchorage.

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Hard Sided Personnel Air Lock

This unit is typically used in applications were there is need to bring objects into
the structure that cannot pass through a revolving door.
An aluminum frame work configured to create vestibule between two pressure
compensating doors. Top and sides are covered with .060 aluminum.

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