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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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Pipe Nipples,Swaged Nipples-Forged Pipe Fittings


Alloy Steel Socket Weld and Threaded Swaged Nipple

Alloy Steel Socket Weld and Threaded Swaged Nipple

Pipe nipple is a length of straight pipe with male threads on both ends. It is one of the most popular category of pipe fittings.It is a connector or a coupling threaded on both ends. Pipe nipples are used to allow plumbing to be connected to a water heater or other plumbing. They are used to fit straight end hose or pipe. A combination of pipe nipples are recommended for low-pressure discharge and suction service for various compatible liquids and not for compressible products like air,nitrogen or steam.

swage nipples dimensions

swage nipples dimensions

NPS Outside Diameter
D1(Large End) D2(Small End) A(End To End)
1/4″x1/8″ 13.7 10.3 57
3/8″x1/8″ 17.1 10.3 64
3/8″x1/4″ 17.1 13.7 64
1/2″x1/8″ 21.3 10.3 70
1/2″x1/4″ 21.3 13.7 70
1/2″x3/8″ 21.3 17.1 70
3/4″x1/8″ 26.7 10.3 76
3/4’x1/4″ 26.7 13.7 76
3/4″x3/8″ 26.7 17.1 76
3/4″x1/2″ 26.7 21.3 76
1″x1/8″ 33.4 10.3 89
1″x1/4″ 33.4 13.7 89
1″x3/8″ 33.4 17.1 89
1″x1/2″ 33.4 21.3 89
1″x3/4″ 33.4 26.7 89
1 1/4″x1/8″ 42.2 10.3 102
1 1/4″x1/4″ 42.2 13.7 102
1 1/4″x3/8″ 42.2 17.1 102
1 1/4″x1/2″ 42.2 21.3 102
1 1/4″x3/4″ 42.2 26.7 102
1 1/4″x1″ 42.2 33.4 102
1 1/2″x1/8″ 48.3 10.3 114
1 1/2″x1/4″ 48.3 13.7 114
1 1/2″x3/8″ 48.3 17.1 114
1 1/2″x1/2″ 48.3 21.3 114
1 1/2″x3/4″ 48.3 26.7 114
1 1/2″x1″ 48.3 33.4 114
1 1/2″x1 1/4″ 48.3 42.2 114
2″x1/8″ 60.3 10.3 165
2″x1/4″ 60.3 13.7 165
2″x3/8″ 60.3 17.1 165
2″x1/2″ 60.3 21.3 165
2″x3/4″ 60.3 26.7 165
2″x1″ 60.3 33.4 165
2″x1 1/4″ 60.3 42.2 165
2″x1 1/2″ 60.3 48.3 165
2 1/2″x1/8″ 73 10.3 178
2 1/2″x1/4″ 73 13.7 178
2 1/2″x3/8″ 73 17.1 178
2 1/2″x1/2″ 73 21.3 178
2 1/2″x3/4″ 73 26.7 178
2 1/2″x1″ 73 33.4 178
2 1/2″x1 1/4″ 73 42.2 178
2 1/2″x1 1/2″ 73 48.3 178
2 1/2″x2″ 73 60.3 178
3″x1/8″ 88.9 10.3 203
3″x1/4″ 88.9 13.7 203
3″x3/8″ 88.9 17.1 203
3″x1/2″ 88.9 21.3 203
3″x3/4″ 88.9 26.7 203
3″x1″ 88.9 33.4 203
3″x1 1/4″ 88.9 42.2 203
3″x1 1/2″ 88.9 48.3 203
3″x2″ 88.9 60.3 203
3″x2 1/2″ 88.9 73 203
3 1/2″x1/8″ 101.6 10.3 203
3 1/2″x1/4″ 101.6 13.7 203
3 1/2″x3/8″ 101.6 17.1 203
3 1/2″x1/2″ 101.6 21.3 203
3 1/2″x3/4″ 101.6 26.7 203
3 1/2″x1″ 101.6 33.4 203
3 1/2″x1 1/4″ 101.6 42.2 203
3 1/2″x1 1/2″ 101.6 48.3 203
3 1/2″x2″ 101.6 60.3 203
3 1/2″x2 1/2″ 101.6 73 203
3 1/2″x3″ 101.6 88.9 203
4″x1/4″ 114.3 13.7 229
4″x3/8″ 114.3 17.1 229
4″x1/2″ 114.3 21.3 229
4″x3/4″ 114.3 26.7 229
4″x1″ 114.3 33.4 229
4″x1 1/4″ 114.3 42.2 229
4″x1 1/2″ 114.3 48.3 229
4″x2″ 114.3 60.3 229
4″x2 1/2″ 114.3 73 229
4″x3″ 114.3 88.9 229
4″x3 1/2″ 114.3 101.6 229

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