Henan Dongfanglong Machine Manufacture Co., Ltd.
Main products:Tubing Coupling, Tubing Pup Joint/Crossover, Casing Coupling, Casing Pup Joint/Crossover, Centralizer
Products
Contact Us
  • Contact Person : Ms. Liwei Zhao
  • Company Name : Henan Dongfanglong Machine Manufacture Co., Ltd.
  • Tel : 86-393-5399123
  • Fax : 86-393-5399259
  • Address : Henan,PUYANG,106 Highway and Jintian Road Puyang City Henan
  • Country/Region : China
  • Zip : 457000

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Product Detailed
Name:Crossover joints Std Ref:API 5CT Grade:J55,K55,N80,L80,C90,P110 Type: NU, EU; STC,LC,BTC,special clearance

       
Coupling Manufacturer of Tubing and Casing coupling according to API SPEC 5CT AND 5B  
   
API couplings for oil tubing and casing  
Size and Specifications  
Descriptions and sizeType of ThreadO.D*L(mm)Weight(kg)  
Tubing Coupling2-3/8"NUE73.02*107.951.28  
2-3/8"EUE77.80*123.821.55  
2-7/8"NUE 88.90*130.182.34  
2-7/8"EUE93.17*130.352.4  
3-1/2"NUE107.95*142.883.17  
3-1/2"EUE114.30*146.054.1  
4"NUE120.65*146.054.35  
4"EUE127.00*152.404.82  
4-1/2"NUE132.08*155.584.89  
4-1/2"EUE141.30*158.756.05  
Casing Coupling4-1/2"STC127.00*158.755.23  
4-1/2"LTC127.00*177.804.15  
4-1/2"BTC127.00*225.424.55  
5"STC141.30*165.104.66  
5"LTC141.30*196.855.75  
5"BTC141.30*231.785.85  
5-1/2"STC153.67*172.455.23  
5-1/2"LTC153.67*203.206.42  
5-1/2"STC153.67*234.956.36  
6-5/8"STC187.71*184.159.12  
6-5/8"LTC187.71*222.2511.34  
6-5/8"STC187.71*244.4811.01  
7"STC194.46*187.158.39  
7"LTC194.46*228.6010.83  
7"STC194.46*254.0010.54  
7-5/8"STC215.90*190.5012.3  
7-5/8"LTC215.90*234.9515.63  
7-5/8"STC215.90*263.5215.82  
8-5/8"STC244.48*196.8516.23  
8-5/8"LTC244.48*254.0021.67  
8-5/8"STC244.48*269.8820.86  
9-5/8"STC269.88*196.8518.63  
9-5/8"LTC269.88*266.7025.45  
9-5/8"STC269.88*269.8823.16  
10-3/4"STC298.45*203.2020.78  
10-3/4"STC298.45*269.8825.74  
11-3/4"STC323.85*203.2022.64  
11-3/4"BTC323.85*269.8828.03  
13-3/8"STC365.12*203.2025.66  
13-3/8"BTC365.12*269.8831.77  
   
1.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110  
2.We also supply permium thread products by customer's request  
3.Size: tubing coupling from 1.9" to 4-1/2",Casing coupling fro4-1/2"to 13-3/8" 
4.Type: NU, EU(tubing coupling), STC,LC,BTC(casing coupling).   
5.Surface treatment: Whole phosphating, or inside phosphating and outside coating 
6.Packing: By carton, wooden case, wooden pallet, or by  requirements of customers 

 

Our company manufacture and sell casing and tubing couplings,pup joints, tool joints, adapter pup-joints, adapter couplings, stabilizers, air-liquid separators, anchors of oil pumps and revolving sand gravitated device, etc. We always do business based on the principle of equality and  mutual benefit, we always provide the high quality and competitive price products.

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