<a href='https://www.ruidapetroleum.com/product/category/Kelly'>kelly</a> bushing brands

DEN-CON 27 RPH Kelly Bushing is used with Den-Con Pin Drive Master-Casing Bushings for 23" through 49 1/2" Rotary Tables. The 27 RPH has 3 5/16 " diameter drive pins (API) and 25 3/4" pin centers (API) and will handle Kelly sizes 3" to 6" square and 3" to 6" hex.

DEN-CON 20 RPH Kelly Bushing is used with Den-Con Pin Drive Master Casing Bushings for 20 1/2" to 22 1/2" Rotary Tables. The 20 RPH has 2 1/2" diameter drive pins (API) and 23" pin centers (API).

SSB Master Bushings and all Master Bushings having a drive square dimension of 13 9/16" (API). This bushing uses the same roller assemblies, components and wiper assemblies as the 27 RPH. All RH Series Parts & Components Interchange with Varco HD Series Bushing Parts.

<a href='https://www.ruidapetroleum.com/product/category/Kelly'>kelly</a> bushing brands

Company covers an area of more than 40,000 square meters, registered capital 50.8 million Yuan. And its main products include manual tongs series, slips series, elevators series, elevator links series, bushing series, casing spider series and pneumatic slips series etc. There are 12 products won the national utility model patent product, one invention patent products, five high-tech products, 2 in Nantong famous brand product.

<a href='https://www.ruidapetroleum.com/product/category/Kelly'>kelly</a> bushing brands

P/F PIN DRIVE ROLLER KELLY BUSHING INTERCHANGEABLE WITH TYPE 27HDP HEAVY DUTY FOR 3 1/2", 5", 5 1/4", 6" HEXAGONAL KELLY REF : ALL MANUFACTURERS AS 27 HDP TYPE WITH API 7K MONOGRAM ROLLER ASSY. COMPLETE FOR 5-1/4" HEX

<a href='https://www.ruidapetroleum.com/product/category/Kelly'>kelly</a> bushing brands

B.Roller Kelly bushing can be square drive or pin drive, and can be applicable for rotary table size from 17½ to 37½. By changing roller sizes, the bushing can accommodate square kellys from 2½ to 5¼ or hex kellys from 3 to 6. Roller Kelly bushing has three series: SD(light duty), MD(medium duty) and HD(heavy duty).

Square drive Roller Kelly bushing consists of lower body half, upper body half, roller, roller pin and etc. when the bushing is installed to square kelly or hex kelly, the square part of the lower body half can be fitted in the square of the master bushing. When operating, the rotary table drive master bushing and master bushing drive Roller Kelly bushing and Roller Kelly bushing drive square kelly or hex Kelly to rotate, such is the torque transporting. The lower body half is conically shaped to readily enter the bore of the master bushing and automatically center bushing and drill string within the bore of the master bushing. Inside rollers are journal bearings which are fitted to the roller pin, when kelly rotates and moves downward, the rollers rotates with Kelly, such change sliding friction to rolling friction and minimize the abrasion of the kelly. The bushing is equipped with mud-scrapper assembly to clean the mud.

<a href='https://www.ruidapetroleum.com/product/category/Kelly'>kelly</a> bushing brands

B.Roller Kelly bushing can be square drive or pin drive, and can be applicable for rotary table size from 17½ to 37½. By changing roller sizes, the bushing can accommodate square kellys from 2½ to 5¼ or hex kellys from 3 to 6. Roller Kelly bushing has three series: SD(light duty), MD(medium duty) and HD(heavy duty).

Square drive Roller Kelly bushing consists of lower body half, upper body half, roller, roller pin and etc. when the bushing is installed to square kelly or hex kelly, the square part of the lower body half can be fitted in the square of the master bushing. When operating, the rotary table drive master bushing and master bushing drive Roller Kelly bushing and Roller Kelly bushing drive square kelly or hex Kelly to rotate, such is the torque transporting. The lower body half is conically shaped to readily enter the bore of the master bushing and automatically center bushing and drill string within the bore of the master bushing. Inside rollers are journal bearings which are fitted to the roller pin, when kelly rotates and moves downward, the rollers rotates with Kelly, such change sliding friction to rolling friction and minimize the abrasion of the kelly. The bushing is equipped with mud-scrapper assembly to clean the mud.

<a href='https://www.ruidapetroleum.com/product/category/Kelly'>kelly</a> bushing brands

The JOTKB MODEL 27 PDHD OR 20 PDHD are developed for pin drive master bushing for rotary table sizes from 27-1/2" to 49-1/2" having 25-3/4" and 23" dia pin center. This unit is used for heavy duty drilling operations and high torque conditions on off shore as well as on shore drilling operations, and handle Kelly sizes from 3" to 6" Square or Hexagonal.