Alliance Drive Systems Inc.

Variable Speed Pulleys for "A" and "B" Belts

Especially designed for use on Stokers and Air-Conditioning Units.

					PART NUMBER
TYPE OF BELT	OUTSIDE DIA. (INCH)	MIN PITCH	TURNS OPEN	MAX. PITCH	TURNS OPEN	BORE (INCHES)
TYPE OF BELT	OUTSIDE DIA. (INCH)	MIN PITCH	TURNS OPEN	MAX. PITCH	TURNS OPEN	1/2	5/8	3/4
A Belt	3 1/4	2.32	5	3.0	0	4510	4520	4530
A Belt	3 1/2	2.43	6	3.25	0	4540	4550	4560
A Belt	4	2.94	6	3.75	0	4570	4580	4500

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