316 Stainless Steel BSPT Hex Reducing Nipple
BSPT Male × Male Reducing Pipe Adaptor Fittings | 316 Stainless Steel | UK Stock & Same-Day Dispatch before 1pm
Our 316 Stainless Steel BSPT Hex Reducing Nipple fittings are precision-machined pipe adaptors designed to connect two BSPT male threaded pipe sizes that differ, enabling smooth transition between larger and smaller bore connections in industrial, pneumatic, and hydraulic systems.
Manufactured from premium 316 marine-grade stainless steel with robust hexagon middle section for easy installation, these reducing nipples provide excellent corrosion resistance and durability in demanding environments including water, oil, gas, compressed air and general fluid handling applications.
Product Specification
- Material: 316 Stainless Steel — Corrosion-Resistant Marine Grade
- Thread Standard: BSPT (British Standard Pipe Tapered)
- Style: Hexagon Reducing Nipple (Male × Male)
- Standard: conforms to ISO4144 standard and features ISO7.1
- Pressure Rating: Typical 150lb class pipe fitting
- Thread Seal: Use PTFE tape or suitable sealing compound for leak-proof joints
- Suitability: Industrial, hydraulic, pneumatic, and fluid systems
- Maximum Pressure: 10 Bar/ 150PSI
- Maximum Temperature Range (°C): -20 to 220
Key Features
- 316 stainless steel for outstanding corrosion resistance
- Hexagon profile enables quick tightening with a spanner
- Ideal for reducing connections between different BSPT pipe sizes
- Quality 150lb pipe fitting standard for industrial systems
- Suitable for water, oil, gas, compressed air, and general fluids
- Long-lasting performance in harsh environments
Applications
- Industrial piping and valve installations
- Compressed air and pneumatic networks
- Hydraulic fluid and lubrication lines
- Marine and offshore systems
- Water and wastewater systems
- Plant maintenance and retrofit work
Technical Dimensions
316 Stainless Steel BSPT male X male reducing pipe adapter technical drawing
Standard Pattern Dimensions
| Size | A | B | L | W | ||||
|---|---|---|---|---|---|---|---|---|
| mm | in | mm | in | mm | in | mm | in | |
| 1/4" x 1/8" | 13 | 0.51 | 6 | 0.24 | 31 | 1.22 | 15.1 | 0.59 |
| 3/8" x 1/8" | 14 | 0.55 | 7 | 0.28 | 34 | 1.34 | 18.6 | 0.73 |
| 3/8" x 1/4" | 14 | 0.55 | 7 | 0.28 | 34 | 1.34 | 18.6 | 0.73 |
| 1/2" x 1/8" | 16.5 | 0.65 | 8 | 0.31 | 36.5 | 1.44 | 23 | 0.91 |
| 1/2" x 1/4" | 16.5 | 0.65 | 8 | 0.31 | 36.5 | 1.44 | 23 | 0.91 |
| 1/2" x 3/8" | 16.5 | 0.65 | 8 | 0.31 | 36.5 | 1.44 | 23 | 0.91 |
| 3/4" x 1/8" | 16 | 0.63 | 8 | 0.31 | 40 | 1.57 | 29 | 1.14 |
| 3/4" x 1/4" | 16 | 0.63 | 8 | 0.31 | 40 | 1.57 | 29 | 1.14 |
| 3/4" x 3/8" | 17 | 0.67 | 8 | 0.31 | 41 | 1.61 | 28.5 | 1.12 |
| 3/4" x 1/2" | 17 | 0.67 | 8 | 0.31 | 41.5 | 1.63 | 28.5 | 1.12 |
| 1" x 1/4" | 20 | 0.79 | 9 | 0.35 | 41 | 1.61 | 35.4 | 1.39 |
| 1" x 3/8" | 20 | 0.79 | 9 | 0.35 | 42.5 | 1.67 | 35.4 | 1.39 |
| 1" x 1/2" | 20 | 0.79 | 9 | 0.35 | 45 | 1.77 | 35.4 | 1.39 |
| 1" x 3/4" | 20 | 0.79 | 9 | 0.35 | 45 | 1.77 | 35.4 | 1.39 |
| 1-1/4" x 1" | 22 | 0.87 | 10 | 0.39 | 52 | 2.05 | 44.5 | 1.75 |
| 2" x 1" | 23 | 0.91 | 11 | 0.43 | 53.5 | 2.11 | 61.5 | 2.42 |
| 3" x 2" | 28 | 1.10 | 15 | 0.59 | 68.5 | 2.70 | 93 | 3.66 |
| 4" x 3" | 30 | 1.18 | 15 | 0.59 | 75 | 2.95 | 117 | 4.61 |
Tolerance: ±0.5mm (1/8"–2") | ±0.8mm (2-1/2"–4")
Pressure/Temperature Specifications
| Value | |
|---|---|
| Pressure MOP (Bar) | 10 |
| Working Temperature (°C) | -20 to 220 |
Rated to 10 bar when working within supply systems, and working temperatures from -20°C to +220°C, this 150lb fitting is designed for demanding conditions in both domestic and industrial supply systems.
