Chain Pulley Block -HH2 Series Blocks

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Product Code : 16

Product Specification

Chain Pulley Block -HH2 Series Blocks

Triple Spur Gear Type

Heavy Duty: Class II.

Manufactured as per IS: 3832 (Indian Standard) - ISI Certified since 1989.

Tested at: 50% Overload.

Hooks: As per IS: 15560 - 2005.

Load Chain: 8 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. Gears shall be lubricated with a semi-liquid grease instead of oil, which is less likely to leak, eliminates oil level checks and clings to the gears even after long idle periods.

Design Type Test: Accomplished successfully as per the requirement of IS: 3832 -2005 (4 times loadc lifted for 5 minutes Once at the time of design stage).

Endurance Type Test: Accomplished successfully as per the requirement of IS: 38322005 (100 Hrs. running on Block at speed of Hand Chain of 20 Mtr./Min Once in Six Months).

Capacity:	0.5 Ton	1.0 Ton	2.0 Ton	3.0 Ton	5.0 Ton
Weight of Block at	3 Mtr. Lift: 20 Kgs.	3 Mtr. Lift: 21 Kgs.	3 Mtr. Lift: 29 Kgs.	3 Mtr. Lift: 31 Kgs.	3 Mtr. Lift: 47 Kgs.
Extra Weight per Meter:	2.7 Kgs.	2.7 Kgs.	4.1 Kgs	4.1 Kgs.	5.5 Kgs.
No. of Falls of Load Chain:	1 Fall	1 Fall	2 Falls	2 Falls	3 Falls
Overall Dimensions:	410 x 204 x 173 mm (Head room x Other Dimensions)	410 x 204 x 173 mm (Head room x Other Dimensions)	490 x 238 x 173 mm (Head room x Other Dimensions)	540 x 265 x 173 mm (Head room x Other Dimensions)	672 x 295 x 173 mm (Head room x Other Dimensions)
Pull On Hand Chain:	9 Kgs. Only one person required to lift the load.	18 Kgs. Only one person required to lift the load.	19 Kgs. Only one person required to lift the load.	28 Kgs. Only one person required to lift the load.	30 Kgs. Only one person required to lift the load.
Velocity Ratio:	71	71	142	142	213
Efficiency of the Block:	78.25%	78.25%	74.10%	75.45%	73.5%

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