There are four types master bushings, such as MSS、MDSP、MSPC、MPCH type and so on .
Apply to rotary table size is 17.1/2-49.1/2inch and they can be changed into the famous company’s
Products such as National、Oilwell、Emsco、Ideco、Gardner Company and so on .
Design and manufacture by API SPEC 7k.
Model of bushing
|
Rotary table size
(in)
|
Liner
|
Diameter
(in)
|
MSS
fission
Square drive
|
17.1/2
|
|
2.3/8-8.5/8
|
18
|
20.1/2
|
23
|
27.1/2
|
MSS
Entirety
Square drive
|
17.1/2
|
1011
|
2.3/8-7.5/8
|
1024
|
2.3/8-8.5/8
|
20.1/2
|
1011
|
2.3/8-7.5/8
|
1024
|
2.3/8-8.5/8
|
22
|
1011
|
2.3/8-7.5/8
|
1024
|
2.3/8-8.5/8
|
23
|
1011
|
2.3/8-7.5/8
|
1024
|
2.3/8-8.5/8
|
27.1/2
|
1022
|
2.3/8-7.5/8
|
1025
|
2.3/8-8.5/8
|
1026
|
9.5/8-10.3/4
|
MDSP fission
PIN DRIVE
|
17.1/2
|
-
|
2.3/8-8.5/8
|
20.1/2
|
2.3/8-8.5/8
|
MSPC
Entirety
PIN DRIVE
|
20.1/2
|
Bowl 1809
|
2.3/8-8.5/8
|
Bowl 1902
|
9.5/8-10.3/4
|
Body only 1805
|
11.3/4-13.3/8
|
23
|
Bowl 1810(No3)
|
2.3/8-8.5/8
|
Bowl 1904(No2)
|
9.5/8-10.3/4
|
Bowl 1903(No1)
|
11.3/4-13.3/8
|
27.1/2
|
Bowl 1810(No3)
|
2.3/8-8.5/8
|
Bowl 1904(No2)
|
9.5/8-10.3/4
|
Bowl 1903(No1)
|
11.3/4-13.3/8
|
MSP fission
PIN DRIVE
|
27.1/2
|
-
|
2.3/8-8.5/8
|
MPCH
PIN DRIVE
|
37.1/2
|
Bowl 6608(No3)
|
2.3/8-8.5/8
|
Bowl 6609(No2)
|
9.5/8-10.3/4
|
Bowl 3310(No1)
|
11.3/4-13.3/8
|
49.1/2
|
MPCH37.1/2+Bowl6608
(No3)
|
2.3/8-8.5/8
|
MPCH37.1/2+Bowl 6609(No2)
|
9.5/8-10.3/4
|
MPCH37.1/2+Bowl 6610(No1)
|
11.3/4-13.3/8
|
|