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McKissick®
Oilfield Servicing Blocks |
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289 |
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SEE
APPLICATION AND
WARNING INFORMATION
On Page 290-
297 |
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CROWN
BLOCKS
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Crown
Blocks
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- McKissick Roll-Forged sheaves with flame hardened grooves
- Double row pre-adjusted sealed tapered bearings mounted
on a steel shaft.
- Heavy center and side plates for proper support of
center pin.
- Pre-assembled units for rapid attachment to crown assembly
for installation on derrick.
- On multiple sheave assemblies, one sheave can be grooved
for sand line on request.
- Other sizes available upon request.
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| Sheave
Diameter
(in.) |
Block
No. |
Crown
Block
Stock No. |
No. of
Sheaves |
Working
Load Limit
(Tons) |
Standard
Wire Rope
Size
(in.)* |
Weight
Each
(lbs.) |
24 |
241 |
351158 |
1 |
15 |
7/8 |
200 |
24 |
242 |
351167 |
2 |
30 |
7/8 |
278 |
24 |
243 |
351176 |
3 |
45 |
7/8 |
375 |
24 |
731 |
351185 |
1 |
35 |
1 |
200 |
24 |
732 |
351194 |
2 |
75 |
1 |
350 |
24 |
733 |
351201 |
3 |
100 |
1 |
525 |
24 |
734 |
351210 |
4 |
125 |
1 |
720 |
30 |
741 |
351229 |
1 |
40 |
1-1/8 |
325 |
30 |
742 |
351238 |
2 |
80 |
1-1/8 |
560 |
30 |
743 |
351247 |
3 |
110 |
1-1/8 |
800 |
30 |
744 |
351256 |
4 |
140 |
1-1/8 |
982 |
30 |
745 |
351265 |
5 |
170 |
1-1/8 |
1163 |
* May be furnished in other wire rope sizes.
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731
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732 |
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Copyright
© 2003 The Crosby Group, Inc. All Rights Reserved
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