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CLASS 3000 Carbon Steel Threaded Half-Coupling

Carbon steel threaded half-coupling is made of carbon steel material, with a half-threaded interface coupling. It is mainly used to connect the pipes to ensure the smooth flow of fluid in the pipeline system.

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Carbon steel threaded half-coupling is made of carbon steel material, with a half-threaded interface coupling. It is mainly used to connect the pipes to ensure the smooth flow of fluid in the pipeline system. This kind of coupling is widely used in the fluid transmission system of oil, natural gas, chemical industry, pharmaceutical industry and other industries, and it is an indispensable part of the industrial pipeline system.

Specification of Threaded Half-Coupling 

Size Range 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1 1/4″, 1-1/2″, 2″, 2-1/2″, 3″, 4″
Pressure Rating Class 3000, 6000, 3M, 6M, 3000LBS, 6000LBS
Standard ASME B16.11, BS3799, EN 10241, ASTM A105, ASTM A182, ASTM  A350

Dimensions  of Carbon steel threaded half-coupling

Nominal Size End-to-End Outside Diameter Length of Thread
DN NPS W D L 5 min L 2 min
3000 & 6000 3000 6000
6 1/8 32 16 22 6.4 6.7
8 1/4 35 19 25 8.1 10.2
10 3/8 38 22 32 9.1 10.4
15 1/2 48 28 38 10.9 13.6
20 3/4 51 35 44 12.7 13.9
25 1 60 44 57 14.7 17.3
32 11/4 67 57 64 17.0 18.0
40 11/2 79 64 76 17.8 18.4
50 2 86 76 92 19.0 19.2
65 21/2 92 92 108 23.6 28.9
80 3 108 108 127 25.9 30.5
100 4 121 140 159 27.7 33.0

Features of Carbon Steel Threaded Half-Coupling

Excellent material: carbon steel has good mechanical properties and corrosion resistance, can withstand a certain pressure and temperature fluctuations, suitable for a variety of piping systems.

Compact structure: The half-thread design makes the coupling is compact, easy to install and remove, while reducing the complexity and space footprint of the plumbing system.

Good sealing: through threaded connection, carbon steel half-threaded coupling can provide reliable sealing performance to prevent liquid or gas leakage in the pipe system.

Widely applicable: can be used for different caliber of pipe, including single, three, four, etc., can also be used for the connection of water meters, valves and other equipment.

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