ISO Sanitary Stainless Steel Union
ISO standard sanitary stainless steel union, a detachable hygienic pipe fitting designed for reliable, easy-to-maintain connections in sanitary fluid systems. It consists of three main parts (male end, female end, lock nut) plus a food-grade sealing gasket, allowing quick disassembly for inspection, cleaning, or system modification. It meets strict ISO sanitary standards and is widely used in food, beverage, pharmaceutical, and biotech industries.
ISO Sanitary Stainless Steel Union
Key Features
- ISO Standard Compliance: Manufactured to ISO sanitary specifications, ensuring compatibility with ISO-standard piping systems worldwide.
- Premium Stainless Steel Construction: Made of high-quality SS304 or SS316L, offering excellent corrosion resistance, durability, and food-grade safety.
- Detachable 3-Piece Design: Enables quick disassembly for maintenance, inspection, and CIP/SIP cleaning, minimizing downtime in hygienic production lines.
- Leak-Proof & Hygienic Seal: Equipped with a food-grade silicone/EPDM gasket, ensuring a secure, contamination-free seal with no dead corners.
- Polished Hygienic Finish: Smooth mirror or satin polished internal/external surfaces (Ra ≤ 0.8μm) prevent product buildup and bacterial growth.
- Easy Installation: Simple threaded connection design allows fast, tool-friendly assembly without special equipment.
Technical Specifications
| Item | Specification |
|---|---|
| Standard | ISO Sanitary Standard |
| Material | Stainless Steel 304 / 316L |
| Gasket Material | Silicone / EPDM / PTFE (food-grade) |
| Surface Finish | Polished (Ra ≤ 0.8μm / custom) |
| Applicable Sizes | DN10 ~ DN100 (custom sizes available) |
| Working Pressure | PN16 (standard, higher pressure available upon request) |
| Working Temperature | -20°C ~ +150°C (depends on gasket material) |
| Compliance | 3-A, DIN, ISO sanitary standards |
Applications
- Food & Beverage Industry: Pipelines for dairy, beer, beverages, and food processing plants.
- Pharmaceutical & Biotech: Sanitary piping systems in pharmaceutical manufacturing, biotech labs, and cleanroom environments.
- Cosmetic & Personal Care: Production line connections for cosmetic and skincare product manufacturing.
- Chemical & Water Treatment: Corrosion-resistant, hygienic connections for chemical processing and pure water systems.
- Other Sanitary Systems: Steam, purified water, and fluid transfer pipelines requiring easy disassembly and hygiene compliance.







