coupling

1.O.D: 1.9" to 20" 2.Material: J55, K55, N80, L80, P110, C95,AISI 1020 ect. 3.Tread types: NUE, EUE, VAM, STC, LTC, BTC, special clearance, XC. 4.Standards: API, 5CT and 5B 5.Packing: by carton, wooden case, wooden pallet or customized 

  • Model No.: 1.9" NUE 1.9" EUE 2-3/8" NUE 2-3/8" EUE 2-7/8" NUE 2-7/8" EUE 3-1/2" NUE 3-1/2" EUE 4" NUE 4" EUE 4-1/2" NUE 4-1/2" EUE 4-1/2" STC 4-1/2" LTC 4-1/2" BTC 5" STC 5" LTC 5" BTC 5-1/2" STC 5-1/2" LTC 5-1/2" BTC 6-5/8" STC 6-5/8" LTC 6-5/8" BTC 7" STC 7" LTC 7" BTC 7-5/8" STC 7-5/8" LTC 7-5/8" BTC 8-5/8" STC 8-5/8" LTC 8-5/8" BTC 9-5/8" STC 9-5/8" LTC 9-5/8" BTC 10-3/4" STC 10-3/4" BTC 11-3/4" STC 11-3/4" BTC 13-3/8" STC 13-3/8" BTC 16" STC 16" BTC 18-5/8" STC 18-5/8" BTC 20" STC 20" BTC
  • Brand: JG
  • Name:: Tubing coupling Casing coupling
  • Original: China

coupling

Name 

Specifications

Coupling thread type  

Steel grade

Implementation standards

PSL-1

PSL-2

Tubing coupling

2-3/8”

NU/EU/SCC/S13

H40/J55/K55/N80Q/N801/
R95/L80-1/
P110/Q125

J55/K55/N80Q/N801/R95/
L80-1/P110/
Q125

API 5CT 9th
API 5B 15th

2-7/8”

3-1/2”

4”

  NU/EU/S13

4-1/2”



 

Name

Type 

Coupling thread type

Steel grade

Implementation standards 

PSL-1

PSL-2

  Casing coupling

4-1/2”

 

SC
LC
BC

H40
J55
K55
N80Q
N801
R95
L80-1
P110
Q125

J55
K55
N80Q
N801
R95
L80-1
P110
Q125

API 5CT 9th
API 5B 15th

5”

5-1/2”

6-5/8”

7”

7-5/8”

8-5/8”

9-5/8”

10-3/4”

SC
BC

11-3/4”

13-3/8”

16”

18-5/8”

20”

SC/LC/BC








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