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2023
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Common dimensions of threaded pipe fittings
Author:
1. Single head threaded nipple: nominal diameter DN 8/10/15/20/25/32/40/50 NPS 1/4, 3/8, 1/2, 3/4, 1, 1.1/4, 1.1/2, 2. Outer diameter D13.5.17.2, 21.3, 26.7, 33.4, 42.2, 48.3, 60.3. L is 60, 90, 120, 150, 180
2. Flat head outer thread (short pipe): nominal diameter DN 8/10/15/20/25/32/40/50, NPS1/4, 3/8, 1/2, 3/4, 1, 1.1/4, 1.12, 2. The outer diameters of D13.5, 17.2, 21.3, 26.7, 33.4, 42.2, 48.3, and 60.3 L are 60, 90, 120, 150, and 180. 3. Double threaded nipple: nominal diameter DN 8/10/15/20/25/32/40/50 NPS 1/4, 3/8, 1/2, 3/4, 1, 1.1/4, 1.1/2, 2. Outer diameter D13.5
17.2, 21.3, 26.7, 33.4, 42.2, 48.3, 60.3. L is 60, 90, 120, 150, 180.
4. Hexagonal head pipe plug: nominal diameter DN 6/8/10/15/20/25/32/40/50/65/80/100 NPS 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1.1/4, 1.1/2
2. 2.1/2,3,4. Thread length L2min9.5, 11.0, 12.5, 14.5, 16.0, 19.0, 20.5, 20.5, 22.0, 27.0, 28.5, 32.0.
5. Square head pipe plug: Square head height B min6, 6, 8, 10, 11, 13, 14, 16, 17, 19, 21, 25. Plane width C min7.0, 9.5, 11.0
14.5, 16.0, 20.5, 24.5, 28.533.5, 38.0, 43.0, 63.5.
6. Round head pipe stockade: Round head diameter D10, 13, 17, 21.27.33, 43, 48, 60, 73, 89, 114, total length Lmin35.41 41.44.44
51, 51, 51, 64, 70, 70, 76.
7. Hexagonal head pipe plug and joint: flat width S11.0, 16.0, 17.5, 22.0, 27.0, 35.0, 44.5, 51.0, 63.5, 76.0, 89.0, 117.5. Hexagonal height Kmin -, 3, 4, 5, 6, 7, 8, 9, 10, 10, 13Hmin6, 6, 8, 9, 10, 10, 14, 16, 17, 19, 21, 25
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