Leaf
Chain
Leaf Chains are made for high load, slow speed tension linkage applications. Often they are specified for reciprocating motion lifting devices such as fork lifts, or as counterweight chains for elevators or telescoping equipment such as cranes. The chains are typically supplied to a specific length and connected to a clevis at each end. The clevis may accommodate “male” ends (inside links) or “female” ends (outside links) as required.
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Leaf chains are available in three series; AL, BL, and LL. The AL and BL series are based on American standard chains, while the LL series is based on British Standard chains. In designing new applications we recommend selecting BL series chains in preference to AL series. BL series leaf chains are made according to the ASME/ANSI B29.8 American Standard. AL series leaf chains have been discontinued by the ASME/ANSI standards group and therefore may be more difficult to obtain in the future. LL series leaf chains are made in accordance with the ISO 606 international standard.
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A chain with an even number of pitches has one male and one female end. A chain with an odd number of pitches may have either two male or two female ends. When ordering lengths with an odd number of pitches the end type for the chain or the type of clevis must be specified.
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