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Thread copper plating, material, necking down processing. 
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Tianjin Grand Victory Petroleum Equipment Co,.ltd.
is an integrated enterprise for production processing, sales, technology
research and development, and spot warehousing. Located in Jinghai District,
Tianjin, China, it was founded in 2008.
For the internal thread processing of 2-7/8
NUE non-upset oil tube couplings, the dimensions are as follows: Coupling outer
diameter 88.9 mm, minimum length 130.18 mm, bore diameter 74.63 mm, bore depth
7.94 mm, load-bearing face width 4.76 mm, threads per inch 10, pitch diameter
at hand-tightening face 71.457 mm, coupling end to hand-tightening face length
11.33 mm, thread taper 1:16, thread height 1.412 mm. The tool selected is a
carbide comb cutter with 10 threads per inch.
Product Name: Oil Tube Coupling API 5CT
TUBING COUPLING
Oil Tube Coupling Standards: API SPEC 5CT,
API SPEC 5B, ISO 119
With fast delivery and high quality, we help
customers reduce costs and increase efficiency. Our vision is to build an
international petroleum pipeline equipment enterprise through integrity and
innovation. We welcome leaders and friends from all sectors to visit and
cooperate for mutual development.
1. Since 2008, we have 17 years of
experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop,
and an annual foreign trade turnover of 20 million RMB.
2. We have import and export rights, ISO 9001
quality system certification, API 5CT certification from the American Petroleum
Institute, and multiple national patent certificates.
3. Our production workshop is equipped with
several highprecision CNC lathes, thread rolling machines, hydraulic pressure
machines, and complete inspection instruments.
4. Our products include J55, K55, N801/Q,
L80, and P110 oil casings, couplings, short joints, and conversion joints.
5. We maintain a stock of high
corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr,
with an annual inventory of around 2,000 tons.
6. We provide processing services for special
sealing threads, including direct connection types, trapezoidal shapes,
doublestep, and variable pitch threading, producing tens of thousands of
special couplings each year.
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