说明
Food-Grade Stainless Steel Sanitary Tee Fittings | Multi-Standard Compatibility · All-Scenario Coverage
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1. Connection Types
• Clamp Quick-Disconnect (QD):
• Compliant withISO 2852 (DIN 32676)andSMS 1145standards.
• Clamp material: 316L stainless steel, pre-installed withEPDM/FKM seals.
• Size range: DN15–DN150 (1/2″–6″), optimized for rapid disassembly/cleaning in dairy and beverage filling lines.
• Threaded Connections:
• DIN 11851male thread /BSP/NPTfemale thread options for legacy fermentation equipment and pump/valve interfaces.
• Weld-End (WE):
• Beveled edges prefabricated perASME BPEorDIN 11864standards, withlaser-welded internal seamsachievingRa ≤ 0.8μmsurface finish.
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2. Surface Finishes
• Mirror Polishing:
• Ra ≤ 0.4μm(ultra-mirror grade), meetsEHEDG Class Ifor aseptic filling, vaccine production, and other high-purity applications.
• Satin Finish:
• Ra 0.6–1.0μm(mechanical brushed), adheres to3A Sanitary Standard 45-03, ideal for scratch-resistant beer brewing, sauce transfer, and similar applications.
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3. Material Certifications
• Base Material:
• 316L stainless steel (1.4404), certified for food contact underFDA 21 CFR 177.1520andEC 1935/2004.
• Optional Upgrades:
• Hastelloy C276: Resists strong acids (pH 0.5–13), suitable for citric acid concentration lines.
• Titanium Alloy: Designed for corrosive environments such as seawater brining and chlorine-based cleaning solutions.
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4. Tee Structure Types
• Equal Tee (Straight Tee):
• Three-way equal-diameter design (DN25–DN100) ensures uniform flow distribution with pressure loss< 5%, compliant withISO 2852straight-through hygiene requirements.
• U-Type Tee (Y-Branch Diverter):
• 120° curved flow path minimizes turbulence and air entrapment, ideal for fermentation liquid circulation and bubbly beverage (e.g., carbonated drinks) transfer lines.
• Right-Angle Tee (L-Branch):
• 90° perpendicular split optimizes space utilization in cleanroom layouts, validated forDIN 11850pressure ratings (PN16).
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Compliance Standards Coverage
StandardApplicable ComponentsKey Specifications
DIN 11851Threaded ports1.5% thread taper, sealing face flatness ≤ 0.05mm
3A 45-03Surface & structureInternal corner radius ≥ 6.4mm, no dead legs
SMS 1145Clamp dimensionsJaw spacing tolerance ±0.1mm
ISO 2852 Quick-disconnect system Clamp locking torque 12–15 N·m
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Scenario-Based Selection Guide
• Dairy Aseptic Filling Lines:
Mirror-polished equal tee (ISO 2852 clamp)+ 316L electrolytic polishing forCIP 80°C alkaline cleaning.
• Beer Fermentation Tanks:
Satin-finished U-type tee (DIN 11851 thread)+ passivation treatment for low-temperature wort acid resistance.
• Pharmaceutical WFI Systems:
Right-angle tee (ASME BPE welding)+Ra ≤ 0.4μm mirror finishto meetWFI (Water for Injection) GMP standards.
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Customization Services
• Non-Standard Modifications:
• Hybrid connection tees (e.g., clamp + thread + weld ends).
• Custom-angle diversion (45°/60°/75°).
• Validation Support:
• Material certificates (3.1B), dimensional inspection reports, and FAT (Factory Acceptance Test) protocols.
• Third-party auditing assistance for3A, EHEDG, or FDAcompliance.
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• Core Terms: DIN-standard tee, ISO hygienic tee, 3A-certified food-grade tee.
• Long-Tail Terms: Stainless steel U-branch diverter, pharmaceutical right-angle tee, mirror-polished piping fittings.
• Scenario Terms: Dairy filling connectors, beer fermentation piping, aseptic WFI systems.
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