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013862779298 0138627836280
Products
Roller Kelly Bushings
Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy , medium and light-duty. They are used for 17.1/2 to 49.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.
|
Type |
Driving method | Type | Applicable kelly specifications | |
| square | hexagon | |||
| heavy | Square drive |
HDS |
21/2-6 |
3-6 |
| Shaft pin transmission |
27-HDP |
3-6 |
3-6 |
|
|
20-HDP |
3-6 |
3-6 |
||
| medium-sized | Square drive |
MDS |
21/2-41/4 |
3-41/4 |
|
M4 |
21/2-51/4 |
3-41/4 |
||
| Shaft pin transmission |
20-MDP |
21/2-41/4 |
3-41/4 |
|
|
17-MDP |
21/2-41/4 |
3-41/4 |
||
| light | Square drive |
S4 |
21/2-41/4 |
3-41/4 |
Nantong Shenglang Petroleum Technology Co., Ltd.
Our company will be committed to continuously improving product production processes and quality, and continuously developing new products to maintain market competitiveness. Moving in the direction of modern enterprises with time. With the corporate tenet of "sincerity, pragmatism, quality, and efficiency", we wholeheartedly serve people from all walks of life.
Address: North side of Yalujiang Road, Rudong Economic Development Zone
phone： 013862779298 013862783628
email：rdwjs@163.com