China Double Pulley Block for Marine Lifting Block

We can provide the following types of blocks:
1) Steel cargo block, bush type JISF3421 (single sheave, double sheave, triple sheave)
2) Steel cargo block, bearing type JISF3429 (single sheave, double sheave)
3) Steel cargo block, bearing type JISF3428 (single sheave, double sheave)
4) Ship's snatch block, JISF3422
5) Steel cargo block, JISF3427
6) HC series single, double sheave marine wire rope block
7) SB series snatch block
8) Heavy duty snatch block
9) Lashing snatch block
10) Galvanized malleable iron block
11) Lower cargo block
Specification

Model

HSC-A

HSC-A

HSC-A


HSC-A

HSC-A
HSC-A
HSC-A
HSC-A
Capacity(t)
0.5
1
1.5
2
3
5
10
20
Standard Lift (m)
2.5
2.5
2.5
2.5
3
3
3
3
Test load (t)
0.75
1.5
2.25
3
4.5
7.5
12.5
25
Mini distance between two hook (mm)
225
306
368
444
486
616
700
1000
Chain tension(with full load)(N)
221
304
343
314
343
383
392
392
Lifting chain No.
1
1
1
2
2
2
4
8
Round steel diameter of chain(mm)
6
6
8
6
8
10
10
10
Main dimension(mm)
A
125
147
183
147
183
215
360.5
585
B
111
126
141
126
141
163
163
191

Features of HSC-A Chain Block
- Adopt G80 load chain, four times the safety coefficient, never break

- Use 2.0 strength of high managanese steel hook, mainly for the need to withstanf shocks, extrusion bad working conditions.


-Beautiful appearance, spray evenly, 1.2mm thick cover , has a good ability of collsion.


-Round hand wheel, effectively avoid jamming and inconvenience for chain intertwined, more efficient to pull the chain fluid.

-Double brake design, even if one brake is broken, still not affect normal use.