Chain Pulley Block -20 Ton /HH4 Series Blocks

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Product Code : 17

Product Specification

Triple Spur Gear Type

Heavy Duty: Class II

Manufactured as per IS: 3832 (Indian Standard).

Tested at: 50% Overload.

Hooks: As per IS: 15560 - 2005.

Load Chain: 12 mm, Grade 80, Alloy Steel Material.

Load Chain Wheel: S.G. Iron Casting Accurately pocketed, internally grinded for longer life of Main Shaft.

Braking Mechanism: Screw & Friction Disc Type Self actuating.

Hand Chain Wheel: Pressed Steel Accurately pocketed, Smooth Hand chain Pulling operation.

Gears: Alloy Steel Material, precise machined, gear hobbed & case hardened duly annealed.

Capacity:	7.5 Ton	10.0 Ton
Weight of Block at	3 Mtr. Lift: 80 Kgs.	3 Mtr. Lift: 116 Kgs.
Extra Weight per Meter:	8.0 Kgs	11 Kgs..
No. of Falls of Load Chain:	2 Falls	3 Falls
Overall Dimensions:	850 x 320 x 230 mm (Head room x Other Dimensions)	870 x 480 x 230 mm (Head room x Other Dimensions)
Pull On Hand Chain:	64 Kgs. Only one person required to lift the load.	58 Kgs. Only one person required to lift the load.
Velocity Ratio:	188	282

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