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Sheaves/Blocks/Pulleys
Engineering Data and Specifications

  715
Meter
Wheel
712-12
Snatch
Block
Pulley
712-16
Snatch
Block
Pulley
712-28
Snatch
Block
Pulley
50 Ton
Purse
Block
Outside
Sheave
Diameter
A
16 cm
(6.3 in)
30.5 cm
(12 in)
40.5 cm
(16.5 in)
71 cm
(28 in)
43 cm
(17 in)
Inner
Groove
Diameter
B
N/A 24.5 cm
(9 5/8 in)
35.5 cm
(14 in)
60.5 cm
(23 3/4 in)
37 cm
(14 1/2 in)
Width
Widest
Point
C
4 in 14.5 cm
(5 3/4 in)
18.5 cm
(7 1/4 in)
20 cm
(7 3/4 in)
24 cm
(9 11/16 in)
Max.
Cable
Diameter
D
4 to 8 mm
(5/32
to
5/16 in)
30 mm
(1 3/16 in)
35 mm
(1 3/8 in)
45 mm
(1 3/4 in)
25.4 mm
(1 in)
Overall
Length
E
35.5 cm
(14 in)
51.75 cm
(20 3/8 in)
64.5 cm
(25 3/8 in)
95.5 cm
(37 9/16 in)
76 cm
(30 in)
Sheave
Circumference
50 cm
(20 in)
95.7 cm
(38 in)
127.7 cm
(50 in)
223.4 cm
(88 in)
132 cm
(52 in)
Max.
Working
Load
Limit
2,700 Kg
(5,940 lbs)
3,000 Kg
(6,600 lbs)
4,000 Kg
(8,800 lbs)
5,500 Kg
(12,100 lbs)
45,455 Kg
(50 Tons)
Block
Weight
7.3 Kg
(16 lbs)
6.6 Kg
(14.5 lbs)
10 Kg
(22 lbs)
28.2 Kg
(62 lbs)
82 Kg
(180 lbs)
Material Cast Bronze
and
Stainless
Steel
Aluminum
and
Stainless
Steel
Aluminum
and
Stainless
Steel
Aluminum
and
Stainless
Steel
Steel
Alloy
Line
Length
Indicator
(Standard)
Mechanical
Max.
10,000 m
(Optional)
Electronic:
Speed &
Length
(Optional)
Electronic:
Speed &
Length
(Optional)
Electronic:
Speed &
Length
Optional
Nylatron
Insert
N/A Optional Optional Optional N/A

Maximum Cable Tension = Max. Working Load Limit / 2sin(wrap angle/2)

Model 712 Profiles Shown Here:
Model 712 outline drawing Model 712 outline drawing

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InterOcean systems, inc.
4241 Ponderosa Avenue, Suite A, San Diego, CA 92123-6501 Phone: (858) 565-8400 Fax: (858) 268-9695
email: sales@interoceansystems.com