Greenheck Fan SE1, SS1 manual Model Comparison, Direct Drive Fan Selection, Blade Designs

Model Comparison

Direct Drive Fan Selection

Three propeller and drive frame combinations are available. Models SE1 and SS1 are designed for smaller size applications where lower volumes and static pressures are found. Models SE2, SS2, SCE3 and SCS3 are designed and constructed for applications with higher volumes and static pressures.

	Construction	Models	Size Range	Performance
	Levels		diameter
	Fabricated			Up to 6,700 cfm
	aluminum	SE1	8 to 24 in.
1				(11,383) and up to
	propeller riveted	SS1	(203 to 610)
	to the hub			5/8 in. wg (156)
	Fully welded and			Up to 45,000 cfm	Level 1	Level 1
	gusseted steel	SE2	16 to 54 in.
2				(76,455) and up to	Sizes 8 to 12	Sizes 12 to 24
	blade and hub	SS2	(406 to 1372)
					Level 1	Level 1
	design			1 in. wg (249)
	Cast aluminum	SCE3	24 to 54 in.	Up to 45,000 cfm
3		SCS3		(76,455) and up to
	air foil blades	SCR3	(610 to 1372)	1 in. wg (249)
All measurements given in in. (mm), cfm (m3/hr) or in. wg (Pa).

Belt Drive Fan Selection Propeller Types

Level 2 Level 3

Three propeller drive frame construction levels and two blade designs are available. The application requirements for sound and static pressure determine propeller type. Propellers are available in fabricated steel, fabricated aluminum or cast aluminum.

	Construction	Models	Size Range	Performance
	Levels		diameter
	Galvanized steel	SBE-1	20 to 54 in.	Up to 30,000 cfm
1	blades riveted to			(50,970) and up to
		SBS-1	(508 to 1372)
	the hub			5/8 in. wg (156)
	Dual thickness			Up to 53,000 cfm
	galvanized steel	SBE-2	20 to 60 in.
2				(90,048) and up to	Level 1
	blades riveted to	SBS-2	(508 to 1524)
				3/4 in. wg (19)
	the hub
	Fabricated, fully
	welded and	SBE-3	24 to 72 in.	Up to 87,000 cfm
3	gusseted steel			(149,513) and up
		SBS-3	(610 to 1829)
	blade and hub			to 1 in. wg (249)
	design
	Cast aluminum	SBCE	24 to 72 in.	Up to 87,000 cfm
3	air foil blades	SBCS		(149,513) and up
			(610 to 1829)		Level 3
	and hub design	SBCR		to 1 in. wg (249)
					Fabricated
All measurements given in in. (mm), cfm (m3/hr) or in. wg (Pa).

Blade Designs

L Propeller: Swept, steeply pitched blade design. These propellers typically run at lower RPMs and generate low sound levels making them the best selection for sound critical applications or applications that require the best combination of both air and sound performance. Typically used when the static pressure is 0.5 in. wg (13 mm) or less.

H Propeller: Straight, moderately pitched blade. It is designed for applications where static pressures are above 0.5 in. wg (13 mm). These propellers typically run at higher RPMs and generate slightly higher sound levels than the “L” propellers.

Level 2

Level 3

Cast Aluminum

H Type

L Type

3