Stainless Steel Weld Nipple
Useful Information
Technical Specification
- Material: Stainless Steel - CF8M (316)
- Connection Type: Weld nipple (threaded x weld end)
- Standard: ISO 4144
- Thread Type: BSPT (ISO 7.1)
- Thread Gender: Male
- Operating Temperature Range: -20°C to +220°C
- Maximum Working Pressure: 10 bar
Description
Providing a strong and permanent connection for fluid systems, this weld nipple is designed for secure welding at one end and a reliable threaded connection at the other. Manufactured from corrosion-resistant 316 stainless steel (CF8M), it meets ISO 4144 specifications and is ideal for high-integrity systems in industrial, chemical, and marine applications. The BSPT male thread ensures leak-tight compatibility with parallel or tapered female fittings, while the weld end enables seamless integration into pipework.
Key Features & Benefits
- 316 stainless steel body offers excellent corrosion and chemical resistance
- BSPT male thread ensures secure and leak-resistant jointing
- Weldable end provides strong, permanent installation into pipelines
- Conforms to ISO 4144 and ASTM A-351 for performance reliability
- Operating temperature range of -20°C to 220°C supports varied applications
- 10 bar working pressure suitable for standard industrial systems
- Compact design enables use in space-restricted installations
- Ideal for process pipework, fluid transfer, and high-pressure system

| Nominal Diameter (inch) | A (mm) | B (mm) | Weight (kg) |
| ⅛ | 10.2 | 30 | 0.01 |
| ¼ | 13.5 | 30 | 0.016 |
| ⅜ | 17.2 | 30 | 0.02 |
| ½ | 21.3 | 35 | 0.037 |
| ¾ | 26.9 | 40 | 0.057 |
| 1 | 33.7 | 40 | 0.085 |
| 1¼ | 42.4 | 50 | 0.118 |
| 1½ | 48.3 | 50 | 0.164 |
| 2 | 60.3 | 50 | 0.216 |
| 2½ | 76.1 | 60 | 0.422 |
| 3 | 88.9 | 70 | 0.64 |
| 4 | 114.3 | 80 | 1.033 |
