Solid Body Pin Drive Master Bushing - Brochure

Solid Body Pin Drive Master Bushing as per API-7Kspecification suitable for 27-Y2" and 2O-Y2" Rotary Tables. The advantage of using Pin Drive Master Bushings makes it possible to use extended split bowls in the rotary table while the Kelly bushing is in operation. The extended bowls are made in three sizes as per API for different sizes of tubular as given below in column no. 6 to 8 of the table. Extended bowls provide betterslip back ups & this back up is made to be usedfor running in heavier tubular strings without string failure due to bottle necking. Model: ABMB2750-PS Master Bushing with appropriate insert bowl in use can hold maximum of 500 tons string load. These Master Bushings are provided with locks to secure the bowls into the bushings.