Leaf Chains are made for large load, slow speed tension linkage applications. Often they are really specifi ed for reciprocating motion lifting devices this kind of as fork lifts or cranes. These chains are usually supplied to a specifi c length and are connected to a clevis block at every end. The clevis might accommodate male ends (within or occasionally known as “articulating” back links) or female ends (outdoors or the backlinks over the pin link) as expected (see illustration below)
Leaf chains can be found in 3 series; AL (light duty), BL (heavy duty), or LL (European regular). For new selections we recommend the BL series in preference towards the AL series as the latter has become discontinued as a acknowledged ASME/ANSI typical series chain. BL series chains are developed in accordance together with the ASME/ANSI B29.eight American Leaf Chain Regular. LL series chains are developed in accordance with all the ISO 606 global leaf chain standard.
A chain with an even amount of pitches constantly includes a one male and a single female finish. It is actually far more typical to possess the chain possess an odd quantity of pitches by which situation the both ends will be either male (most typical) or female (less com-mon). When ordering lengths with an odd number of pitches male ends are supplied unless of course otherwise noted. Clevis pins, generally with cotters at every single end, are made use of to connect male chain ends to female clevis blocks. Chains with female ends are frequently (but not usually) connected on the clevis block having a cottered sort connecting hyperlink. The connecting website link will be 
the female end component in this instance.
Leaf Chain Variety
Utilize the following formula to confirm the choice of leaf chain:
Minimum Ultimate Strength > T x DF x SF
T: Calculated Maximum Chain Stress
DF: Duty Aspect
SF: Services Aspect
Note the highest allowable chain speed for leaf chains is 100ft per minute.
