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API Seamless Coupling

Basic Info

Model No.:  J55 K55 N80 L80 P110

Product Description

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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