Azimuth Ring of Magnetic Compass:
Azimuth Ring of Magnetic Compass Introduction
	GFC serial azimuth circles of magnetic compass
are used for all specification of marine class a magnetic compass. GFC serial
azimuth circles are designed and manufactured in accordance with shipbuilding
industry standard GB/T 335-2005 
Main Technical Parameter
| Type | Inside diameter | Outside diameter | Net weight | 
| GFC-165 | Φ226mm | Φ239mm | 1.5kg | 
| GFC-190 | Φ247mm | Φ260mm | 1.7kg | 
| GFC-165A | Φ247mm | Φ260mm | 1.7kg | 

 
                                



