Couplings

Casing Coupling are important accessories for casing pipes, we provide various API5CT/5B/5L casing coupling from 1.66' to 13-3/8' in threads:EU, NU, STC, BTC, LTC. Also the casing couplings can be made in grade H40, J55, K55, N80, L80, P110, etc.

Size and Specification
Descriptions and Size		Type of Thread	O.D*L(mm)	Weight (kg)
Casing Coupling	4-1/2"	STC	127.00*158.75	5.23
	4-1/2"	LTC	127.00*177.80	4.15
	4-1/2"	BTC	127.00*225.42	4.55
	5"	STC	141.30*165.10	4.66
	5"	LTC	141.30*196.85	5.75
	5"	BTC	141.30*231.78	5.85
	5-1/2"	STC	153.67*171.45	5.23
	5-1/2"	LTC	153.67*203.20	6.42
	5-1/2"	BTC	153.67*234.95	6.36
	6-5/8"	STC	187.71*184.15	9.12
	6-5/8"	LTC	187.71*222.25	11.34
	6-5/8"	BTC	187.71*244.48	11.01
	7"	STC	194.46*184.15	8.39
	7"	LTC	194.46*228.60	10.83
	7"	BTC	194.46*254.00	10.54
	7-5/8"	STC	215.90*190.50	12.3
	7-5/8"	LTC	215.90*234.95	15.63
	7-5/8"	BTC	215.90*263.52	15.82
	8-5/8"	STC	244.48*196.85	16.23
	8-5/8"	LTC	244.48*254.00	21.67
	8-5/8"	BTC	244.48*269.88	20.86
	9-5/8"	STC	269.88*196.85	18.03
	9-5/8"	LTC	269.88*266.70	25.45
	9-5/8"	BTC	269.88*269.88	23.16
	10-3/4"	STC	298.45*203.20	20.78
	10-3/4"	BTC	298.45*269.88	25.74
	11-3/4'	STC	323.85*203.20	22.64
	11-3/4'	BTC	323.85*269.88	28.03
	13-3/8"	STC	365.12*203.20	25.66
	13-3/8"	BTC	365.12*269.88	31.77
	16"	STC	431.80*228.6	34.91
	16"	BTC	431.80*269.88	40.28
	18-5/8"	STC	508.00*228.60	51.01
	18-5/8"	BTC	508.00*269.88	62.68
	20"	STC	533.40*228.6	43.42
	20"	LTC	533.4*292.10	57.04
	20"	BTC	533.40*269.88	50.1

Tubing couplings are important accessories for tubing pipes.we provide various API 5CT/5B/5L tubing coupling from1.66'' to 13-3/8'' in threads: NU, EU, STC, BTC, LTC. The tubing couplings can be made in grade H40, J55, K55, N80, L80, P110, etc.

Size and Specification
Descriptions and Size		Type of Thread	O.D*L(mm)	Weight (kg)
Tubing Coupling	2-3/8”	NUE	73.02*107.95	1.28
	2-3/8”	EUE	77.80*123.82	1.55
	2-7/8”	NUE	88.90*130.18	2.34
	2-7/8”	EUE	93.17*130.35	2.4
	3-1/2”	NUE	107.95*142.88	3.17
	37623	EUE	114.30*146.05	4.1
	4”	NUE	120.65*146.05	4.35
	4”	EUE	127.00*152.40	4.82
	4-1/2”	NUE	132.08*155.58	4.89
	4-1/2”	EUE	141.30*158.75	6.05