Stainless Hex Nipple
Stainless steel high pressure hex nipple for threaded pipe fitting systems. Dimensions are typed from the OTB high pressure fittings catalog, ANSI/ASME B1.20.1-1983 NPT, in millimeters.
| Item | Specification |
|---|---|
| Product | Stainless Hex Nipple |
| Thread Standard | ANSI/ASME B1.20.1-1983 NPT |
| Pressure Classes | 3000LB and 6000LB symbols shown as 3M and 6M |
| Dimensions | Millimeters |
| Styles | Equal and reducing hex nipples |
Hex Nipple Dimensions
| Equal In | Equal DN | Reducing In | Reducing DN | A Min | W Min | E Min | b 3M | b 6M | C Min | F Min |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | (6) | / | / | 11 | 26 | 10 | 5 | 2 | 6 | / |
| 1/4 | (8) | / | / | 15 | 36 | 15 | 8 | 6 | 6 | / |
| / | / | 1/4×1/8 | (8×6) | 15 | 31 | 15 | 5 | 2 | 6 | 10 |
| 3/8 | (10) | / | / | 18 | 40 | 16 | 11 | 8 | 8 | / |
| / | / | 3/8×1/4 | (10×8) | 18 | 39 | 16 | 8 | 8 | 8 | 15 |
| 1/2 | (15) | / | / | 22 | 48 | 20 | 14 | 11 | 8 | / |
| / | / | 1/2×3/8 | (15×10) | 22 | 44 | 20 | 11 | 8 | 8 | 16 |
| / | / | 1/2×1/4 | (15×8) | 22 | 43 | 20 | 8 | 6 | 8 | 15 |
| 3/4 | (20) | / | / | 27 | 52 | 21 | 19 | 13 | 10 | / |
| / | / | 3/4×1/2 | (20×15) | 27 | 50 | 21 | 14 | 11 | 9 | 20 |
| / | / | 3/4×3/8 | (20×10) | 27 | 46 | 21 | 11 | 8 | 9 | 16 |
| 1 | (25) | / | / | 35 | 60 | 25 | 22 | 17 | 10 | / |
| / | / | 1×3/4 | (25×20) | 35 | 56 | 25 | 19 | 13 | 10 | 21 |
| / | / | 1×1/2 | (25×15) | 35 | 55 | 25 | 14 | 11 | 10 | 20 |
| 1-1/4 | (32) | / | / | 46 | 64 | 26 | 30 | 22 | 14 | / |
| 1-1/2 | (40) | / | / | 50 | 68 | 26 | 36 | 30 | 16 | / |
| / | / | 1-1/2×1 | (40×25) | 50 | 67 | 26 | 24 | 17 | 16 | 25 |
| / | / | 1-1/2×3/4 | (40×20) | 50 | 63 | 26 | 19 | 13 | 16 | 21 |
| / | / | 1-1/2×1/2 | (40×15) | 50 | 62 | 26 | 14 | 11 | 16 | 20 |
| 2 | (50) | / | / | 62 | 71 | 27 | 46 | 39 | 17 | / |
| / | / | 2×1-1/2 | (50×40) | 62 | 70 | 27 | 38 | 30 | 17 | 26 |
| / | / | 2×1 | (50×25) | 62 | 70 | 27 | 24 | 17 | 18 | 25 |
| / | / | 2×3/4 | (50×20) | 62 | 65 | 27 | 19 | 13 | 17 | 21 |
| / | / | 2×1/2 | (50×15) | 62 | 65 | 27 | 14 | 11 | 18 | 20 |
Dimensional Tolerances of BS3799
| Item | Type of Pipe Fitting | NPS Range | Tolerance |
|---|---|---|---|
| Concentricity of bore (X) | All fittings | 1/8 – 1/4, 3/8 – 3/4, 1 – 2, 2-1/2 – 3 | +/-0.8 |
| Coincidence of axes (Y) | All fittings | All listed NPS ranges | 1/200 Max |
| Bore diameter of fitting (b) | Boss & Hex Nipple | 1/8 – 3/4 | +/-0.4 |
| Bore diameter of fitting (b) | Boss & Hex Nipple | 1 – 3 | +/-0.8 |
| Bottom of socket to opposite face | Boss | 1/8 – 1/4 | +/-0.8 |
| Bottom of socket to opposite face | Boss | 3/8 – 3/4 | +/-1.5 |
| Bottom of socket to opposite face | Boss | 1 – 2 | +/-2.0 |
| Bottom of socket to opposite face | Boss | 2-1/2 – 3 | +/-2.5 |
Notes: 3M and 6M symbols denote 3000 and 6000 classes. Tolerance data is listed from the catalog page.
Product Details
| Product Type | Hex nipple for high pressure stainless steel threaded pipe connection |
|---|---|
| Material | Stainless steel |
| Connection | Threaded male connection |
| Pressure Class | High pressure pipe fitting series; confirm pressure class and standard for the selected size |
| Applications | High pressure piping, industrial fluid systems, petrochemical lines, steam, water and gas service |
| Ordering Note | Confirm size, pressure class, end type, material grade and applicable standard when sending an inquiry |
