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CU/CUL/CB Casing Bushings and Insert Bowls

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The CU/CUL/CB casing bushings and insert bowls manufactured by our company can be used for pipes with the diameter from 23/8 inches to 30 inches. The casing bushing and insert bowl belonging to CU and CUL series are integrated type and CB is split type, both of which conforms to API Spec 7K standard.

Technical Parameters

Rotary
table
Size
Type Pipe Diameter (in.)
23/8-85 /8 95/8-103/4 113/4-133/8 16 185/8-20 24 26 30
171/2
-201/2
CU Bushing 3102+
insert bowl 1809
Bushing 3102+
insert bowl 1902
Bushing 3102
271/2 CUL Bushing 3103+
insert bowl
3105+1809
Bushing 3103+
insert bowl
3105+1902
Bushing 3103+
insert bowl 3105
Bushing 3103+
insert bowl 3104
Bushing
3103
271/2 CB Bushing 6695+
insert bowl
6126A+6115
Bushing 6695+
insert bowl
6126A+6114
Bushing 6695+
insert bowl 6126A
Bushing 6695+
insert bowl 6127
Bushing
6695
371/2 Bushing
(18 5/820 in.)+
insert bowl
6126A+6115
Bushing
(18 5/8 -20in.)+
insert bowl
6126A+6114
Bushing
(18 5 /8-20in.)
+insert bowl
6126A
Bushing
(18 5/8-20in.)
+insert bowl
6127
Bushing
(18 5/8-20in.)
Bushing
11253
Bushing
16454
Bushing
11763
Note: the bushings of 18 5 /8-20in. include CB10187, CB10188, CB10189 and CB11553.

Related Names
Hexagonal screwed nipple︱Axle sleeve

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