Umholi : Steel Wire Ropes and Accessories










Umholi
Accessories

Sheave Blocks

For Steel Wire Rope
Fitted with Phosphor Bronze Bushed Sheaves

Single Sheave Block
 
Umholi: Single Sheave Blocks Umholi: Single Sheave Block
W = Load to be fitted

P = Effort required to lift load
  P = 56% of W  


Double Sheave Block
 
Umholi: Double Sheave Blocks Umholi: Double Sheave Blocks Umholi: Sheave blocks
W = Load to be fitted

P = Effort required to lift load
  P = 39% of W P = 30% of W  


Treble Sheave Block
 
Umholi: Treble Sheave Blocks Umholi: Treble Sheave Blocks Umholi: Treble Sheave Blocks
W = Load to be fitted

P = Effort required to lift load
  P = 25% of W P = 22% of W  


 
Sheave dia (mm)
50
75
100
120
130
150
For Manilla Rope
10
12
16
20
22
26
1 Sheave
Weight in Kg
0.64
1.1
2.0
3.3
3.5
6.1
Safe Load on Hook Kg
100
150
250
500
500
1000
Overall length without eye mm
180
210
280
330
350
385
2 Sheaves
Weight in Kg
1.0
1.8
3.5
5.2
5.9
10.0
Safe Load on Hook Kg
100
150
500
500
1000
1500
Overall length without eye mm
200
235
345
390
420
445
3 Sheaves
Weight in Kg
1.2
2.8
4.7
7.0
8.2
12.5
Safe Load on Hook Kg
150
250
1000
1000
1500
2000
Overall length without eye mm
210
245
365
395
435
470


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