Chain Pulley Block Hh Series

Salient Features of HH Series Chain Pulley Block :-
* Triple spur gear type.
* Heavy duty : Class II
* Manufactured as per IS : 3832 ( Indian Standard ) ISI certified since 1989.
* Tested at : Each block / product 50% overload.
* Hooks as per IS : 15560-2005
* Load chain : Grade 80, Alloy steel material as per IS : 6216 - 1982.
* Load chain wheel : S.G. Iron casting - Accurately pocketed, internally grinded for longer life.
* Braking mechanism : Screw & friction disc type - self actuating.
* Hand chain wheel : pressed steel - Accurately pocketed, smooth hand chain pulling operations.
* Gears : Alloy steel material, precise machined, gear hobbed and case hardened - duly annealed. Lubricated in a semi liquid grease.

Product Testing :-
* Product Design Test : Accomplished successfully as per the requirement of IS:3832-2005.
* Product Endurance Test : Accomplished successfully as per the requirement of IS :3832-2005.
* Product Overload Test : Each block tested at 50% overload, as per the guidelines of IS:3832-2005.