Leaf Chains, including AL Series, BL Series, LL Series

Leaf chains are known for their durability and high tensile strength. They are primarily used in lift device applications such as forklifts, lift trucks, and lift masts. These hard working chains handle the lifting and balancing of heavy loads with the use of sheaves instead of sprockets for guidance. One of the primary differences with leaf chain compared to roller chain is that it only consists of a series of stacked plates and pins, providing superior lifting strength.

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Leaf Chains1

GL Chain No.	Pitch		Plate Lacing	Thickness of Plate	Inside Plate Hole dia.	Pin dia.	Plate depth	Pin Overall Length	Ultimate tensie strength	Weight per meter
	P	P		bO(max)	d1(min)	d2(max)	h2(max)	b(max)	Q	q
	in	mm		mm	mm	mm	mm	mm	kN	kg/m
AL422	1/2"	12.70	2X2	1.52	4.01	3.96	10.30	8.40	17.00	0.35
AL444			4X4					14.80	34.00	0.67
AL466			6X6					21.20	51.00	1.00
AL522	5/8"	15.875	2X2	2.05	5.13	5.08	13.00	10.20	28.30	0.63
AL544			4X4					18.90	56.60	1.20
AL566			6X6					27.40	84.90	1.75
AL622	3/4"	19.05	2X2	2.40	6.00	5.94	15.60	12.20	39.30	0.93
AL644			4X4					22.10	78.60	1.60
AL666			6X6					32.00	117.90	2.52
AL822	1"	25.40	2X2	3.20	8.01	7.94	20.55	16.40	69.50	1.54
AL844			4X4					29.80	139.00	3.30
AL866			6X6					43.20	208.50	4.01
AL1022	1.1/4"	31.75	2X2	4.00	9.60	9.53	25.85	19.50	103.00	2.37
AL1044			4X4					36.70	206.00	4.90
AL1066			6X6					53.20	309.00	7.30
AL1222	1.1/2"	38.10	2X2	4.80	11.18	11.11	31.20	24.00	140.00	3.65
AL1244			4X4					43.80	280.00	7.05
AL1266			6X6					63.60	420.00	10.50
AL1444	1.3/4"	44.45	4X4	5.60	12.78	12.70	36.20	51.10	370.00	10.34
AL1466	1.3/4"	44.45	6X6	5.60	12.78	12.70	36.20	74.30	555.00	13.00
AL1644	2"	50.80	4X4	6.40	14.36	14.29	41.60	58.20	465.00	12.98
AL1666	2"	50.80	6X6	6.40	14.36	14.29	41.60	84.60	697.50	18.00

LEAF CHAINS(BL SERIES)
Leaf Chains2

GL Chain No.			Pitch				Plates Lacing		Thickness of Plate		Inside plate hole dia.		Pin dia.		Plate depth		Pin overall length		Ultimate tensie strength		Weight approx.
			P		P				bO(max)		d1(min)		d2(max)		h2(max)		h2(max)		Q		q
ANSI	ISOGB		in		mm				mm		mm		mm		mm		mm		kN		kg/m
BL-422	LH0822		1/2"		12.70		2X2		2.08		5.11		5.09		12.07		11.10		22.20		0.66
BL-423	LH0823						2X3										13.20		22.20		0.82
BL-434	LH0834						3X4										17.40		33.40		1.14
BL-444	LH0844						4X4										19.60		44.50		1.29
BL-446	LH0846						4X6										23.80		44.50		1.61
BL-466	LH0866						6X6										28.00		66.70		1.92
BL-488	LH0888						8X8										36.50		88.96		2.55
BL-522	LH1022		5/8"		15.875		2X2		2.48		5.98		5.96		15.09		12.90		33.40		0.97
BL-523	LH1023						2X3										15.40		33.40		1.20
BL-534	LH1034						3X4										20.40		48.90		1.65
BL-544	LH1044						4X4										22.80		66.70		1.89
BL-546	LH1046						4X6										27.70		66.70		2.34
BL-566	LH1066						6X6										32.20		100.10		2.81
BL-588	LH1O88						8X8										42.60		133.44		3.72
BL-622	LH1222		3/4"		19.05		2X2		3.30		7.96		7.94		18.11		17.40		48.90		1.56
BL-623	LH1223						2X3										20.80		48.90		1.92
BL-634	LH1234						3X4										27.50		75.60		2.65
BL-644	LH1244						4X4										30.80		97.90		3.02
BL-646	LH1246						4X6										37.50		97.90		3.77
BL-666	LH1266						6X6										44.20		146.80		4.45
BL-688	LH1288						8X8										57.60		195.72		5.94
BL-822	LH1622		1"		25.40		2X2		4.09		9.56		9.54		24.13		21.40		84.50		2.41
BL-823	LH1623						2X3										25.50		84.50		3.07
BL-834	LH1634						3X4										33.80		129.00		4.24
BL-844	LH1644						4X4										37.90		169.00		5.06
BL-846	LH1646						4X6										46.20		169.00		6.06
BL-866	LH1666						6X6										54.50		253.60		7.38
BL-888	LH1688						8X8										71.10		338.06		9.57
GL Chain No.				Pitch				Plates Lacing		Thickness of Plate		Inside plate hole dia.		Pin dia.		Plate depth		Pin overall length		Ultimate tensie strength		Weight approx.
				P		P				bO(max)		d1(min)		d2(max)		h2(max)		h2(max)		Q		q
ANSI		ISOGB		in		mm				mm		mm		mm		mm		mm		kN		kg/m
BL-1022		LH2022		1.1/4"		31.75		2X2		4.90		11.14		11.11		30.18		25.40		115.60		3.84
BL-1023		LH2023						2X3										30.40		115.60		4.78
BL-1034		LH2034						3X4										40.30		182.40		6.62
BL-1044		LH2044						4X4										45.20		231.30		7.52
BL-1046		LH2046						4X6										55.10		231.30		9.41
BL-1066		LH2066						6X6										65.00		347.00		11.19
BL-1088		LH2088						8X8										84.80		462.60		14.87
BL-1222		LH2422		1.1/2*		38.10		2X2		5.77		12.74		12.71		36.20		29.70		151.20		5.51
BL-1223		LH2423						2X3										35.50		151.20		6.90
BL-1234		LH2434						3X4										47.10		244.60		9.56
BL-1244		LH2444						4X4										52.90		302.50		10.85
BL-1246		LH2446						4X6										64.60		302.50		13.59
BL-1266		LH2466						6X6										76.20		453.70		14.23
BL-1288		LH2488						8X8										99.50		606.94		21.49
BL-1422		LH2822		1.3/4'		44.45		2X2		6.60		14.31		14.29		42.24		33.60		191.27		6.95
BL-1423		LH2823						2X3										40.20		191.27		8.69
BL-1434		LH2834						3X4										53.40		315.81		12.06
BL-1444		LH2844						4X4										60.00		382.53		13.68
BL-1446		LH2846						4X6										73.20		382.53		17.18
BL-1466		LH2846						6X6										86.40		578.24		20.42
BL-1488		LH2888						8X8										112.80		765.06		27.16
BL-1622		LH3222		2		50.80		2X2		7.52		17.49		17.46		48.26		40.00		289.10		8.72
BL-1623		LH3223						2X3										46.60		289.10		10.90
BL-1634		LH3234						3X4										61.80		440.40		15.08
BL-1644		LH3244						4X4										69.30		578.30		17.07
BL-1646		LH3246						4X6										84.50		578.30		21.44
BL-1666		LH3266						6X6										100.00		867.40		25.42
BL-1688		LH3288						8X8										129.90		1156.48		33.78
		LH4022		2.1/2"		63.50		2X2		9.91		23.84		23.81		60.33		51.80		433.70		16.90
		LH4023						2X3										61.70		433.70		20.96
		LH4034						3X4										61.70		649.40		29.09
		LH4044						4X4										91.60		867.40		33.14
		LH4046						4X6										111.50		867.40		41.26
		LH4066						6X6										131.40		1301.10		49.37
		LH4088						8X8										171.10		1734.72		65.61
DB25						25		4X4		2.50		8.00		7.94		20.50		25		98.00		2.40
DB25A						25		6X6		3.00		11.16		11.10		23.50		41		157.00		5.50
DB30						30		6X6		3.00		11.16		11.10		28.00		41		157.00		6.00

Leaf Chains3

GL Chain No.	Pitch		Plates Lacing	Thickness of Plate	Inside plate hole dia.	Pin dia.	Plate depth	Pin overall length	Ultimate tensie strength	Weight approx.
	P	P		bO(max)	d1(min)	d2(max)	h2(max)	b(max)	Q	q
	in	mm		mm	mm	mm	mm	mm	kN	kg/m
LL0822	1/2"	12.70	2X2	1.55	4.46	4.45	10.92	8.50	18	0.48
LL0844			4X4					14.60	36	0.98
LL0866			6X6					20.70	54	1.44
LL1022	5/8"	15.875	2X2	1.65	5.09	5.08	13.72	9.30	22	0.50
LL1044			4X4					16.10	44	0.94
LL1066			6X6					22.90	66	1.40
LL1222	3/4"	19.05	2X2	1.90	5.73	5.72	16.13	10.70	29	0.70
LL1244			4X4					18.50	58	1.30
LL1266			6X6					26.30	87	2.00
LL1622	1"	25.40	2X2	3.20	8.30	8.28	21.08	17.20	60	1.60
LL1644			4X4					30.20	120	2.90
LL1666			6X6					43.20	180	4.30
LL2022	1.1/4"	31.75	2X2	3.70	10.21	10.19	26.42	20.10	95	2.30
LL2044			4X4					35.10	190	4.20
LL2066			6X6					50.10	285	6.30
LL2422	1.1/2"	38.10	2X2	5.20	14.65	14.63	33.40	28.40	170	4.60
LL2444			4X4					49.40	340	8.20
LL2466			6X6					70.40	510	12.00
LL2822	1.3/4"	44.45	2X2	6.45	15.92	15.90	37.08	34.00	200	4.80
LL2844			4X4					60.00	400	9.50
LL2866			6X6					86.00	600	15.50
LL3222	2"	50.80	2X2	6.45	17.83	17.81	42.29	35.00	260	6.20
LL3244			4X4					61.00	520	11.90
LL3266			6X6					87.00	780	17.80
LL4022	2.1/2"	63.50	2X2	8.25	22.91	22.89	52.96	44.70	360	11.53
LL4044			4X4					77.90	720	22.49
LL4066			6X6					111.10	1080	33.48
LL4822	3"	76.20	2X2	10.30	29.26	29.24	63.88	56.10	560	17.31
LL4844			4X4					97.40	1120	33.61
LL4866			6X6					138.90	1680	49.91