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- Crosby McKissick '731' & '732' Oilfield Crown Blocks, WLL Range from 13,500kg to 170 tonne
Crosby McKissick '731' & '732' Oilfield Crown Blocks, WLL Range from 13,500kg to 170 tonne
Oilfield Servicing, Crown Blocks.
Model:
McKissick 731, 732 / OCB-2535
- 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.
- Sheaves manufactured to API-8C specifications.
  |
 |
| 731 | 732 |
Imperial Specifications
| 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 |
Metric Specifications
| Sheave Diameter (mm) | Block No. | Crown Block Stock No. | No. of Sheaves | Working Load Limit (t) | Standard Wire Rope Size (mm)* | Weight Each (kg) |
| 610 | 241 | 351158 | 1 | 13.5 | 22 | 91 |
| 610 | 242 | 351167 | 2 | 27 | 22 | 126 |
| 610 | 243 | 351176 | 3 | 40.5 | 22 | 170 |
| 610 | 731 | 351185 | 1 | 31.5 | 25 | 91 |
| 610 | 732 | 351194 | 2 | 67.5 | 25 | 159 |
| 610 | 733 | 351201 | 3 | 90 | 25 | 238 |
| 610 | 734 | 351210 | 4 | 113 | 25 | 327 |
| 762 | 741 | 351229 | 1 | 36 | 28 | 147 |
| 762 | 742 | 351238 | 2 | 72 | 28 | 254 |
| 762 | 743 | 351247 | 3 | 99 | 28 | 363 |
| 762 | 744 | 351256 | 4 | 126 | 28 | 445 |
| 762 | 745 | 351265 | 5 | 153 | 28 | 528 |
*May be furnished in other wire rope sizes.
Product Warnings
(approx. 0.5Mb) Crosby catalogue page 335
(approx. 0.2Mb)- 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.
- Sheaves manufactured to API-8C specifications.
|
|
| 731 | 732 |
Imperial Specifications
| 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 |
Metric Specifications
| Sheave Diameter (mm) | Block No. | Crown Block Stock No. | No. of Sheaves | Working Load Limit (t) | Standard Wire Rope Size (mm)* | Weight Each (kg) |
| 610 | 241 | 351158 | 1 | 13.5 | 22 | 91 |
| 610 | 242 | 351167 | 2 | 27 | 22 | 126 |
| 610 | 243 | 351176 | 3 | 40.5 | 22 | 170 |
| 610 | 731 | 351185 | 1 | 31.5 | 25 | 91 |
| 610 | 732 | 351194 | 2 | 67.5 | 25 | 159 |
| 610 | 733 | 351201 | 3 | 90 | 25 | 238 |
| 610 | 734 | 351210 | 4 | 113 | 25 | 327 |
| 762 | 741 | 351229 | 1 | 36 | 28 | 147 |
| 762 | 742 | 351238 | 2 | 72 | 28 | 254 |
| 762 | 743 | 351247 | 3 | 99 | 28 | 363 |
| 762 | 744 | 351256 | 4 | 126 | 28 | 445 |
| 762 | 745 | 351265 | 5 | 153 | 28 | 528 |
*May be furnished in other wire rope sizes.
Product Warnings
(approx. 0.5Mb) Crosby catalogue page 335
(approx. 0.2Mb)Products of Possible Interest
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You can easily add more than one item to the Quote Request. This is highly recommend as we will be able to suit your needs much more efficiently.
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