Hinge Size	Max Vent	Max Vent	Min Vent	Max Opening	Max opening
(Top Hung)	Weight	Height	Height	Angle 'A'	Angle 'B'
(in/mm)	(lb/Kg)	(in/mm)	(in/mm)

12/310	44/20	21.7/550	13.8/350	65 degrees	14 degrees
16/413	43/21	29.5/780	19.7/500	59 degrees	10 degrees
20/513	57/26	43/1100	27.6/700	50 degrees	7 degrees
24/615	88/40	51/1300	33.5/850	37.5 degrees	6 degrees
Hinge Size (Side Hung)		Max Vent Width	Min Vent Width
12/310	48/22	23.6/600	11.8/300	58 degrees	13 degrees
16/413	53/24	27.6/700	15.7/400	58 degrees	11 degrees