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hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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Threaded Full/Half Couplings-Forged Carbon Steel Fittings


Coupling fittings are used for fluid conduits in which each end portion of two tubes to be connected is provided with a swaged-on adapter carrying the necessary means to connect or disconnect the tubes without disturbing the swaged-on adapter. Our range of coupling fittings are available in aluminium, steel and bronze. Pipe couplings are highly demanded in the pipe fitting market. Pipe couplings are fittings that help to extend or terminate pipe runs. These fittings are also used to change pipe size. Couplings extend a run by joining two lengths of pipe. They are known as reduced coupling if they are used to connect pipes of different sizes. Couplings are also known as repair couplings. These couplings are without stops or ridges and they can be fixed anywhere along the pipe length for preventing leak of any kind. Material: ASTM A105, F304, F316, F304L, F316L, A182, F11, F22, and F91 Pressure: 2000LBS, 3000LBS, 6000LBS, 9000LBS Size: from 1/4 to 4 inches Standard: ANSI B16.9/B16.28 and MSS SP-43/SP-75 Connection ends: butt welded, threaded Thread types: NU, EU, STC, LTC and BTC Surface treatment:Shot blasted, rust-proof black oil Packing: Plywood Case/ Pallet/ other.

Half and Full Coupling Dimensions

Half and Full Coupling Dimensions

Class DN NPS W D G B L2
3000 6 1/8″ 32 16 4.8 6.4 6.7
8 1/4″ 35 19 4.8 8.1 10.2
10 3/8″ 38 22 4.8 9.1 10.4
15 1/2″ 48 28 6.4 10.9 13.6
20 3/4″ 51 35 6.4 12.7 13.9
25 1″ 60 44 9.7 14.7 17.3
32 1-1/4″ 67 57 9.7 17 18
40 1-1/2″ 79 64 11.2 17.8 18.4
50 2″ 86 76 12.7 19 19.2
65 2-1/2″ 92 92 15.7 23.6 28.9
80 3″ 108 108 19 25.9 30.5
100 4″ 121 140 22.4 27.7 33
6000 6 1/8″ 32 6.4 6.7
8 1/4″ 35 25 6.4 8.1 10.2
10 3/8″ 38 32 6.4 9.1 10.4
15 1/2″ 48 38 7.9 10.9 13.6
20 3/4″ 51 44 7.9 12.7 13.9
25 1″ 60 57 11.2 14.7 17.3
32 1-1/4″ 67 64 11.2 17 18
40 1-1/2″ 79 76 12.7 17.8 18.4
50 2″ 86 92 15.7 19 19.2
65 2-1/2″ 92 108 19 23.6 28.9
80 3″ 108 127 22.4 25.9 30.5
100 4″ 121< /td> 159 28.4 27.7 33
Half and Full Coupling Stainless Steel

Half and Full Coupling Stainless Steel

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