API Seamless Coupling

Model NO.: J55 K55 N80 L80 P110 Structure: Metal Bellows Material: Carbon Steel Size: 5-1/2 to 13-3/8 Inches Threads: Btc,Ltc,Stc Specification: K55, J55, N80, L80, P110 HS Code: 73079200 Connection: Twist Flexible or Rigid: Rigid Standard: Standard Length: R1,R2,R3 Trademark: JNTG Origin: Shandong Shouguang
Our factory manufactureAPI Coupling for oilfield ,according to API SPEC 5CT .Our company owns six mills including sintering mill,iron-making mill,steel-making mill,steel-rolling mill,pipes mill and motive mill,so it is a complete industrial chain .

SIZE	THREADING TYPE	OD	ID	WT	CUTTING LENGTH	UNIT WEIGHT	WEIGHT OF MATERIAL	WEIGHT OF FINISHED COUPLING
		(mm)	(mm)	(mm)	(mm)	kg/m	kg	kg
5 1/2	STC	153.70	128	13	176			5.19
	LC	153.70	126	14	208			6.37
	BC	153.70	128	13	240			6.36
6 5/8	STC	187.70	154	17	189			9.05
	LC	187.70	154	17	227			11.25
	BC	187.70	156	16	249			11.01
7	STC	194.50	164	15	190			8.32
	LC	194.50	162	16	235			10.74
	BC	194.50	164	15	260			13.98
7 5/8	STC	215.90	180	18	197			12.20
	LC	215.90	178	19	241			15.51
	BC	215.90	180	18	270			15.82
8 5/8	STC	244.50	204	20	203			16.11
	LC	244.50	202	21	260			21.50
	BC	244.50	204	20	276			20.86
9 5/8	STC	269.90	228	21	203			17.89
	LC	269.90	226	22	273			25.25
	BC	269.90	230	20	276			23.16
10 3/4	STC	298.50	256	21	209			20.61
	BC	298.50	258	20	276			25.74
11 3/4	STC	323.90	282	21	209			22.46
	BC	323.90	282	21	276			28.03

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