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API 5CT Coupling

  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
  • API 5CT Coupling
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Product Description

Tubing coupling   Standard: API Spec 5CT   Size: 1.050" - 4-1/2"   Type: NUE, EUE   

Oil Tubing Coupling (API Spec 5CT & 5B)
API Non-upset Tubing Coupling-Dimension, Tolerances and Masses
Label 1 Outside Diameter mm Minimum Length NL  mm Diameter of recess mm Width of bearing face mm Maximum bearing face diameter mm Mass kg Steel Grade
1.050 26.67 80.96 28.27 1.59 30.00 0.23 J55/K55 L80,C90 C95 N80-1/ N80-Q T95,P110 Q125
1.315 33.40 82.55 35.00 2.38 37.80 0.38
1.660 42.16 88.90 43.76 3.18 47.17 0.59
1.900 48.26 95.25 49.86 1.59 52.07 0.56
2-3/8 60.32 107.95 61.93 4.76 66.68 1.28
2-7/8 73.02 130.18 74.63 4.76 80.98 2.34
3-1/2 88.90 142.88 90.50 4.76 98.42 3.71
4 101.60 146.05 103.20 4.76 111.12 4.35
4-1/2 114.30 155.58 115.90 4.76 123.19 4.89
a   The size designation for the coupling is the same as the size designation for the pipe on which the coupling is used
b   Tolerance on outside diameter Wb, +/-1%
API external-upset tubing coupling--Dimensions, tolerances and masses
Label 1 Size Outside Diameter Minimum Length mm Diameter of recess mm Width of Bearing Regular mm Maximum bearing face diameter mm Mass kg Steel Grade
Outside Diameter mm Regular Bevel Wb mm Special Clearance Wcmm Special bevel mm Special clearance mm Regular Special clearance
1.050 26.67 42.16 - 82.55 35.00 2.38 37.80 - 0.38 - J55/K55    L80,C90 C95 N80-1/ N80-Q T95,P110 Q125
1.315 33.40 48.26 - 88.90 38.89 2.38 42.77 - 0.57 -
1.660 42.16 55.88 - 95.25 47.63 3.18 50.95 - 0.68 -
1.900 48.26 63.50 - 98.42 54.76 3.18 58.34 - 0.84 -
2-3/8 60.32 77.80 73.91 123.82 67.46 3.97 71.83 69.90 1.55 1.07
2-7/8 73.02 93.17 87.88 133.35 80.16 5.56 85.88 83.24 2.40 1.55
3-1/2 88.90 114.30 106.17 146.05 96.85 6.35 104.78 100.71 4.10 2.38
4 101.60 127.00 - 152.40 109.55 6.35 117.48 - 4.82 -
4-1/2 114.30 141.30 - 158.75 122.25 6.35 130.96 - 6.05 -
a .The size designation for the coupling is the same as the size designation for the pipe on which the coupling is used.
b .Tolerance on outside diameter Wb,+/-1%;
c .Tolerance on outside diameter Wc, +/-0.38 mm

 

The API couplings for tubing and casing pipes
Size and Specifications For Tubing and Casing Couplings
Descriptions and size 
 
Type of Therad 
 
O.D*L 
(mm)
Weight 
(kg)
Tubing Coupling 



 
1.050 NUE 33.35*80.96 0.23
1.050 EUE 42.16*82.55 0.38
1.315 NUE 42.16*82.55 0.38
1.315 EUE 48.26*88.90 0.57
1.660 NUE 52.17*88.90 0.59
1.660 EUE 58.88*95.25 0.68
1.900 NUE 55.88*95.25 0.56
1.900 EUE 63.50*98.42 0.84
2-3/8" NUE 73.02*107.95 1.28
2-3/8" EUE 77.80*132.82 1.55
2-7/8" NUE 88.90*130.18 2.34
2-7/8" EUE 93.17*133.35 2.40
3-1/2" NUE 107.95*142.88 3.71
3-1/2" EUE 114.30*146.05 4.10
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
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 12.30
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 50.10
Product Image














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