Numbering Multifunctional and multipurpose caster / Easy moviing, setting & Leveling with Cushion support

The difference & how to use of GD-series

Numbering system of GD-series

GD		Leveling caster with manual handle
GDN		New type leveling caster with manual handle
GDR		Leveling caster with ratchet handle
Mounting	S	Stem type mounting
	F	Flange type mounting
E		Anti-static type
For example

Load capacity of GD-series

N	Number of casters
W	Weight of equipments or carts
Wa	Additional charge
Wc	Allowable load of caster
S	Safety factor For equipments, S : 2.0
Calculation
For example	Application: For equipments - W: 1323 lbs - Wa: 110 lbs - Wc: 551 lbs/pce (GD-60), 1102 lbs/pce (GD-80) - S: 2.0 For GD-60 For GD-80 - N (Number of casters) : 4 pcs for GD-80
Remarks	In the case of the heavier weight of equipment than the recommended load capacity per 4 pieces, the higher range model of FOOT MASTER should be adopted. It means more wheels than 4 pieces are not assumed to maintain the equipment weight because the weight of equipment is not usually distributed to each wheels identically and simultaneously. (But more wheels may be adopted within the recommended load capacity per 4 wheels