Stainless Steel Round Cap
Useful Information
Technical Specification
- Material: Stainless Steel - CF8M (316)
- Connection Type: Round cap (blanking cap)
- Standard: ISO 4144
- Thread Type: BSPP (ISO 228)
- Thread Gender: Female
- Operating Temperature Range: -20°C to +220°C
- Available Sizes: ⅛" to 4"
- Manufacturing Standard: ASTM A-351
Description
This round cap is designed to blank off the end of a male-threaded fitting or pipe, providing a secure and pressure-tight seal. Manufactured from corrosion-resistant 316 stainless steel (CF8M), it offers outstanding performance in aggressive environments and high-hygiene applications. The BSPP parallel female thread ensures reliable compatibility with standard fittings, while the smooth, rounded exterior supports a compact and clean finish. Ideal for use in fluid, gas, and chemical systems where long-lasting sealing is essential.
Key Features & Benefits
- Provides a reliable end seal for male-threaded pipe or fittings
- 316 stainless steel for excellent corrosion and chemical resistance
- BSPP female threads ensure accurate, leak-free installation
- Conforms to ISO 4144 and ASTM A-351 manufacturing standards
- Operates within -20°C to +220°C, suitable for demanding applications
- Smooth round cap design supports hygienic system requirements
- Commonly used in industrial, marine, and food-grade environments
- Available in a wide range of sizes to suit various pipework systems

| Nominal Diameter (inch) | A (mm) | Weight (kg) |
| ⅛ | 15 | 0.008 |
| ¼ | 16 | 0.013 |
| ⅜ | 16.5 | 0.017 |
| ½ | 21 | 0.033 |
| ¾ | 22 | 0.048 |
| 1 | 26 | 0.085 |
| 1¼ | 28 | 0.127 |
| 1½ | 32 | 0.201 |
| 2 | 33.5 | 0.286 |
| 2½ | 39 | 0.451 |
| 3 | 42 | 0.67 |
| 4 | 48.5 | 1.189 |
