chain pulley block

Detailed Product Description

 

  VN chain pulley block  Features

  1.Capacity from 0.5t to 20t

  2.Got certificate of CE

  3.Have certificate of ISO9001

  4.Automatic double-pawl braking system

  5.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.

  6.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.

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

  8.Components:main components are all made of high-class alloy steel,with high precision and security.

  9. Frameswork: slight design and more beautiful; with less weight and smaller work area.

  10. Plastic Plating: by adopting advanced plastic plating technology inside and outside,its looks like a new one after years of operation.

   11.Encloser: made of high-classed steel,more firmly and dexterous.

Model		VN0.5	VN1	VN1.5	VN2	VN3	VN5	VN10	VN20
Capacity                    t		0.5	1	1.5	2	3	5	10	20
Standard lift                m		2.5	2.5	2.5	3	3	3	3	3
Running testload             t		7.5	15	22.5	30	45	77	150	300
Effort required to lifmax.load  N		221	309	320	360	340	414	414	828
Min distance between hooks mm		270	317	399	414	465	636	798	890
No. of load chain fall lines		1	1	1	1	2	2	4	8
Diameter of load chain     mm		6	6	8	8	8	10	10	10
Dimensions      mm	A	131	140	161	161	161	186	207	215
	B	127	158	187	187	210	253	398	650
	C	270	317	399	414	465	636	798	890
	Hook opening	30	34	38	41	48	52	64	85
Net weight            kg		11.25	11.5	17.4	22.2	26.2	37.7	72	160