Master Bushing And Insert With Accessories

Master bushings can be divided into three kinds of structure, hinged, solid or split.

There are two kind of diving way, pin and Square.

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mss master bushing master bushing accessories master bushing and insert bowl api 7k steel rotary table master bushing api master bushing api mss master bushing

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Master bushings can be divided into three kinds of structure, hinged, solid, or split. There are two kinds of diving ways, pin, and Square. It is adapted to the rotary table by size from 17 1/2 to 37 1/2(49 1/2 in) respectively. When the insert bowl is assembled,(some haven’t inserted Bowl), it can be connected with rotary slips and roller kelly bushing that are manufactured in accordance with API Spec 7k.

Model	Rotary table size(in)	Insert bowl	Tubulars OD(in)
MSS(Solid)	17 1/2-23	Insert bowl 1011	2 3/8-7 5/8
	17 1/2-23	Extended insert bowl 1024	2 3/8-8 5/8
	27-1/2	Insert bowl 1022	2 3/8-7 5/8
		Extended insert bowl 1025	2 3/8-8 5/8
		Insert bowl 1026	9 5/8-10 3/4
		Insert bowl 2002	11 3/4-13 3/8
MSS(Split)	17 1/2-27 1/2	—	2 3/8-7 5/8
MSPC(Solid)	20 1/2-22 1/2	Insert bowl 1809	2 3/8-8 5/8
		Insert bowl 1902	9 5/8-10 3/4
		Master bushing1805-1	11 3/4-13 3/8
		Master bushing19333	11 3/4-13 3/8
	23-27 1/2	No.3 Insert bowl 1810	2 3/8-8 5/8
		No.2 Insert bowl 1904	9 5/8-10 3/4
		No.1 Insert bowl 1903	11 3/4-13 3/8
MDSP(Split)	17 1/2-20 1/2	—	2 3/8-8 5/8
MSP(Split)	27 1/2	—	2 3/8-8 5/8
MPCH	37 1/2	No.3 Insert bowl 6608	2 3/8-8 5/8
		No.2 Insert bowl 6609	9 5/8-10 3/4
		No.1 Insert bowl 6610	11 3/4-13 3/8
	49 1/2	MPCH37 1/2	2 3/8-13 3/8