High-loaded structure that holds rotating drilling tool in balance while delivering
flushing liquid to the pipe column during well drilling operations.
ADVANTAGES:
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thrust spherical roller bearing is used as a main bearing (instead of thrust cone roller bearing) |
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weight of swivel is 30-40% less than that of analogs |
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Dimensions of the swivel are scaled down due to the use of thrust spherical roller bearing. |
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Thrust spherical roller bearing release significantly less heat during operation. |
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Top seal stuffing box uses polyurethane sealing rings. |
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Operational life of the top seal lengthened at least twice, depending of operational conditions. |
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Sealing rings are easy to change due to simple and durable construction of top seal unit provided with quick-detachable nuts. |
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Special modifications for use with telesystem. There is an additional entry for telesystem in the gooseneck(gander).(see picture). |
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For more convenience while working with the telesystem the swivel can be provided with the bail lengthened by 540 mm. |
TU 3661-307-00147001-2005
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Specifications for VB-80:
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| Figures |
VB-80 |
| Dynamic load capacity, kN (ton) |
800 (80) |
| Static load capacity, kN (ton) |
1000 (100) |
| Maximum circulating-fluid pressure, MPa |
21 |
| Maximum swivel stem rotations per minute |
200 |
| Nominal inside diameter, mm |
75 |
| Bail line diameter, mm |
60 |
| Attachment screw |
Z-121 left-hand thread |
| Critical dimensions HxAxB, mm |
1830õ520õ350 |
| Dimensions with the lengthened bail, mm |
- |
| Weight, kg (with the lengthened bail) |
350 |
Swivels are supplied complete with spare parts set and manual.
Delivery in 30-40 workdays after pre-payment.
Pre-payment is 50% of order cost.
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