Place of Origin:
China
Brand Name:
XI'AN RIG
Certification:
API 8C
Model Number:
MSS
API 7K Rotary Table Master Bushing and Insert Bowl for Oilfield
Product Description
Master bushings can be divided into three kinds of structure, hinged, solid or split. There are two kind of diving way, pin and Square. It is adapted to rotary table by size from 17 1/2 to 37 1/2(49 1/2 in) respectively. When insert bowl is assembled,(some haven't insert Bowl), it can be connected with rotary slips and roller kelly bushing that are manufactured accordance with API Spec 7k.
Product Parameters
| Type | Bushing Style | Hexagon / Square Kelly Size | Slip Bowl Size |
|---|---|---|---|
| MSS | Square Type Drive, Split Type | 133 mm (5¼ in), 146 mm (5¾ in), 162 mm (6⅜ in) | 2⅞"–3½" |
| MSS | Square Type Drive, Split Type | 133 mm (5¼ in), 146 mm (5¾ in), 162 mm (6⅜ in) | 2⅞"–4½" |
| MSPC | Pin Drive, One-Piece Type | 203 mm (8 in), 228.6 mm (9 in), 279 mm (11 in) | 2⅞"–5½" |
| MDSP | Pin Drive, One-Piece Type | 133 mm (5¼ in), 146 mm (5¾ in), 162 mm (6⅜ in) | 2⅞"–4¾" |
| MPCH | Pin Drive | 178 mm (7 in), 203 mm (8 in), 279 mm (11 in) | 2⅞"–8⅝" |
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