This company's tube axial line now includes a complete offering of medium pressure tube axial fans. The economical tube axials are available with heavier gauge construction, capable of performances exceeding 95,000 cfm and pressures up to 3.25-in. wg. Direct and belt drive models are available. All medium pressure fans are also available with a bolt-on straightening vane use section that improves efficiency up to 20%. Applications include commercial or industrial ventilation, fume exhaust or emergency smoke ventilation.

Greenheck; P.O. Box 410, Schofield, WI 54476-0410; 715/359-6171; fax 715/355-2399; www.greenheck.com.

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