L80 4inch NU Coupling

L80 4inch NU Coupling

L80 4inch NU coupling Product Introduction Product Specifutio n Production Details Production Flow Chart Product Package Exhibition ecchange FAQ Q1: How long is your delivery time? According to the quantity of per size.Generally it is with 7 days if the goods are in stock,or it is 15-20 days if...
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Product Details

 L80 4inch NU coupling
Product Introduction
2 7 8 J55 NU (2).jpg

If specified in the contract, the core pipe coupling 89, coupling, shall provide special clearance (reduced outer diameter Wc) coupling for the pillar (BTC connection) casing and external upset (EUE connection) pipe. Unless otherwise specified, upset pipe joints with special clearances shall have a special bevel at both ends. The inner and outer edges of the bearing surface should be rounded or chamfered. The end (or bevel) of the coupling shall be at right angles to the axis.

Bushing coupling thread: Partial trapezoidal thread (BTC), long round thread (LC), short round thread (STC), other special buckle threads for air tight buckle VAM TOP, HYDRIL CS, VAGT, etc. 5CT 10th, API SPEC 5B, ISO 11960

Casing coupling use: Petroleum casing coupling is a connection accessory used to connect petroleum casing and other drilling and production equipment

Casing coupling model: 5-1 / 2 '; 6-5 / 8'; 7 '; 8-5 / 8'; 9-5 / 8 '; 13-3 / 8'; 16 '; 20' etc.

Casing coupling steel grade material: J55 / K55 / N80 / L80 / P110 / Q125 / 1CR / 3CR / 9CR / 13CR / Super13CR


Product Specifution

Size

coupling OD (mm)

Boring OD.(mm)

pipe OD (mm)

4-1/2”

133.35

116.68

114.3

5”

147.32

129.38

127

5-1/2”

160.02

142.08

139.7

6-5/8”

187.71

170.66

168.28

7”

200.03

180.18

177.8

7-5/8”

215.90

197.64

193.7

8-5/8”

244.48

223.04

219.08

9-5/8”

269.88

248.44

244.48

10-3/4”

298.45

277.02

273.05

11-3/4”

323.85

302.42

298.45

13-3/8”

365.12

343.69

339.72

16”

431.8

411.96

406.4

18-5/8”

508.00

479.63

473.08

20”

533.40

513.56

508


Production Details
QQ图片20181113131440.jpg

 tubing coupling


QQ图片20181113131443.jpg

NU tubing collar


QQ图片20181113131437.jpg

 coupling

Production Flow Chart
接箍加工流程图


Product Package
QQ图片20190102095639.jpg

Wooden pallets


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Wooden pallets


IMG_20170713_100704.jpg

Wooden case

Exhibition ecchange


微信图片_20191019103247.jpg

 exhibition


QQ图片20191125160008.jpg

 exhibition


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customers visit

Seperate Line


FAQQ1:  How long is your delivery time?

         According to the quantity of per size.Generally it is with 7 days if the goods are in stock,or it is 15-20 days if the goods are not in stock


Q2: What is your terms of payment ?
       30% T/T in advance ,balance before shippment.


Q3: Do you provide samples ? is it free or extra ?
       Yes, we could offer the sample for free charge but do not pay the cost of freight.


Q3: the terms?
       FOB,CIF,CFR,EXW .



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