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chain pulley block, 1.capacity:1T, 2.CE,GS Certificate, 3.Strong R&D Design, 4.Can do OEM.Highquality - details see: https://www.machineto.com/3-ton-vital-chain-pulley-block-10097567

3 ton VITAL chain pulley block

1.Gear

By adopting Japanese technology,they are innovated symmetrical arrayed high -speed synchronous gears, and are made from international standard gear steel.Compared with common gears ,they are more wearable and steadier, and more laborsaving.

2.Chain

Adopts high strength chain and high precision welding technology,meet ISO3077-1984 international standard;fits for gusty overload work conditions;takes your hands a better feeling multi-angle operation.

3.Hook

Made of high-class alloy steel,it has high strength and high security; by using new design,weight will never escape.

4.Components

Main components are all made of high-class alloy steel,with high precision and security.

5. Frameswork

Slight design and more beautiful; with less weight and smaller work area.

6.Plastic Plating

By adopting advanced plastic plating technology inside and outside,its looks like a new one after years of operation.

7.Encloser

Made of high-classed steel,more firmly and dexterous.

Feature

1.Compact and light weight for flexible application.

2.Double pawl brake mechanism for secure operations.

3.Heat treated steel plates, gears and shafts for enhanced strength.

4.Forged upper, lower hooks with forged steel safety latches.

5.Individual serial code, capacity shown on it.

Model	HSZ-VT	HSZ-VT 1	HSZ-VT 1.5	HSZ-VT 2	HSZ-VT 3	HSZ-VT 5	HSZ-VT 10
Capacity t	0.5	1	1.5	2	3	5	10
Standard lifting height m	2.5	2.5	2.5	3	3	3	3.5
Test load t	0.75	1.5	2.25	3	4.5	7.5	15
min distance between two hooks mm	285	315	340	380	475	600	700
Effort required to lift max load N	25	33	34	34	35	39	41
No.of load chain fall lines	1	1	1	1	2	2	4
Diameter of load chain mm	1.6	7.1	7.1	8	7.1	9	9
Net weight Kg	8.4	11	13.5	21	22	40	77
Gross Weight Kg	9.4	12	14.5	22	23	41.5	85
Packing size (L*W*H) cm	30*17*32	30*17*32	30*17*32	28*19*23	30*17*32	40*20*34	62*50*26