In erection and maintenance, chain pulley blocks are the most commonly used lifting devices. Information about specifications, operation and inspection of chain pulley blocks is given in this article. chain pulley blocks are made as per IS 3832(Hand-Operated Chain Pulley Blocks – Specification). This standard lays down the general requirements and testing of the hand-operated chain pulley blocks, worm or spur gear type. They are tested at 50% overload as specified in the standard.

In erection and maintenance, chain pulley blocks are the most commonly used lifting devices. Information about specifications, operation and inspection of chain pulley blocks is given in this article. chain pulley blocks are made as per IS 3832(Hand-Operated Chain Pulley Blocks – Specification). This standard lays down the general requirements and testing of the hand-operated chain pulley blocks, worm or spur gear type. They are tested at 50% overload as specified in the standard.