Stainless Steel Flat Faced Union with Gasket
Useful Information
Technical Specification
- Material: Stainless Steel - CF8M (316)
- Connection Type: Flat faced union with gasket
- Thread Type: BSPP (ISO 7/1)
- Thread Gender: Female x Female
- Standard: ISO 4144
- Operating Temperature Range: -20°C to +220°C
- Maximum Working Pressure: 20 bar (temperature dependent)
- Manufacturing Standard: ISO 9001:2015
- Available Sizes: 1/8" to 4"
Description
Ideal for applications requiring a leak-tight and easily demountable joint, this flat faced union with gasket combines robust construction with reliable sealing. Manufactured from high-grade 316 stainless steel (CF8M), it resists corrosion in demanding environments and operates effectively across a broad temperature range. The flat face design, combined with a fitted gasket, provides consistent sealing performance, while BSPP threads allow for straightforward and secure installation in compatible systems.
Key Features & Benefits
- Flat faced joint with gasket ensures a strong, leak-resistant seal
- Corrosion-resistant 316 stainless steel for long-term durability
- BSPP parallel threads support standardised pipe connections
- Conforms to ISO 4144 and manufactured to ISO 9001:2015 standards
- Wide operating range from -20°C to +220°C for versatile use
- Supplied tested and inspected to ensure product integrity

| Nominal Diameter (inch) | A (mm) | B (mm) | C (mm) | Weight (kg) |
| ⅛ | 30.5 | 8.75 | 13 | 0.055 |
| ¼ | 34 | 10.25 | 13.5 | 0.083 |
| ⅜ | 37 | 10.75 | 15.5 | 0.105 |
| ½ | 40 | 12 | 16 | 0.116 |
| ¾ | 43 | 13 | 17 | 0.198 |
| 1 | 50.5 | 15.25 | 20 | 0.265 |
| 1¼ | 54.5 | 16.25 | 22 | 0.406 |
| 1½ | 58 | 17 | 24 | 0.462 |
| 2 | 65.5 | 19.25 | 27 | 0.684 |
| 2½ | 75 | 22.75 | 29.5 | 1.47 |
| 3 | 83.5 | 26.25 | 31 | 1.88 |
| 4 | 110.5 | 38.25 | 34 | 3.16 |
| Temperature (°C) | Non-Shock Maximum Working Pressure (bar) |
| -20 to 40 | 20 |
| 100 | 16.5 |
| 150 | 15 |
| 200 | 14 |
| 220 | 13.5 |
