API Round Thread Casing Coupling

Name: API Round Thread Casing Coupling
Brand: RT
Price: Negotiable

FOB Price

Negotiable / Piece

20 Pieces(Min.Order)

Product Details

Type:	Coupling	Place of Origin:	Shandong, China	Brand Name:	RT
Connection:	Other

1. API standard,
2. Short manufacturing period,
3. Low price.

NO	Specification		Minimum length		Bore diameter Qb	Bearing surface width B mm	Weight
NO	OD d mm	OD W mm	Short coupling NL	Long Coupling NL	Bore diameter Qb	Bearing surface width B mm	Short coupling	Long Coupling
1	2	3	4	5	6	7	8	9
4-1/2	114.30	127.00	158.75	177.80	116.68	3.97	3.62	4.15
5	127.00	141.30	165.10	196.85	129.38	4.76	4.66	5.75
5-1/2	139.70	153.67	171.45	203.20	142.08	3.18	5.23	6.42
6-5/8	168.28	187.71	184.15	222.25	170.66	6.35	9.12	11.34
7	177.80	194.46	184.15	228.60	180.18	4.76	8.39	10.83
7-5/8	193.70	215.90	190.50	234.95	197.64	5.56	12.30	15.63
8-5/8	219.08	244.48	196.85	254.00	223.04	6.35	16.23	21.67
9-5/8	24.48	269.88	196.85	266.70	248.44	6.35	18.03	25.45
10-3/4	273.05	298.45	203.20	_	277.02	6.35	20.78	_
11-3/4	298.45	323.85	203.20	_	302.42	6.35	22.64	_
13-3/8	339.72	365.12	203.20	_	343.69	5.56	25.66	_
16	406.40	431.80	228.60	_	411.96	5.56	34.91	__
18-5/8	473.08	508.00	228.60	_	478.63	5.56	54.01	_
20	508.00	228.60	228.60	292.10	513.56	5.56	43.42	57.04
The tolerance of the outer diameter of 1, 2 and 3 W ± 1%, but not more than ± 3.18mm. Group 4 OD W tolerance of ± 1% but not more than ±3.18 , -1.59mm. A coupling specifications and code and the corresponding pipe specification B for all groups, the bore diameter tolerances of Q ++0.790 mm

Shengli Oilfield Ruite Machinery Manufacturing Co., Ltd.: Contact nameRT Group; AddressNorth Of Nan'er Road, East Of 14th Road, Shengli Industrial Zone

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