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Help CenterSanitary Threaded Stainless Steel Fitting 1-1/2" NPT Union 316L for Food and Beverage
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As a specialized manufacturer of industrial fluid handling components, Shanghai Quanbao Electronic Materials Technology Co., Ltd. delivers precision-engineered Sanitary Threaded Stainless Steel Fittings engineered for demanding applications. Our 1-1/2" NPT Union in 316L stainless steel exemplifies our commitment to providing reliable solutions that meet stringent hygiene standards while ensuring operational efficiency in critical processing environments.
This union fitting is specifically designed to address common challenges in food, beverage, and pharmaceutical transfer systems – including corrosion resistance, leak prevention, and ease of maintenance. Manufactured in our Shanghai-based facility with advanced CNC machining capabilities, every unit undergoes rigorous quality verification to ensure consistent performance under high-cycle operational conditions.
Core Technical Specifications:
| Parameter | Specification |
|---|---|
| Material Composition | 316L Stainless Steel (Cr 16-18%, Ni 10-14%, Mo 2-3%) |
| Connection Standard | NPT (National Pipe Tapered Thread) |
| Pressure Rating | 150 PSI at 100°C (standard) |
| Surface Roughness | Ra ≤ 0.8 μm (mechanical polish) |
| Operating Temperature | -20°C to 150°C (-4°F to 302°F) |
Operational Advantages:
Corrosion Resistance: Superior chloride and acid resistance compared to 304 grade, ideal for CIP/SIP processes
Zero Contamination Design: Internal crevice-free construction prevents bacterial growth
Maintenance Efficiency: Quick-disconnect design reduces downtime during system cleaning
Sealing Reliability: Precision-machined threads ensure leak-free connections
Dimensional Accuracy: CNC machining maintains ±0.05mm tolerance for proper alignment
These technical attributes translate directly into operational benefits for processors: extended equipment service life through reduced corrosion fatigue, compliance with FDA and EHEDG hygiene guidelines, and significant reduction in product loss from leakage. The union's symmetrical design allows 360° positioning flexibility during installation, while the full-bore geometry maintains consistent flow rates without pressure drops.
Shanghai Quanbao leverages its decade-long expertise in metallurgical processing to deliver fittings that outperform industry standards. Our Shanghai manufacturing center maintains full traceability from raw material certification to final inspection, with batch testing documentation available upon request. This systematic approach ensures that every 1-1/2" NPT union provides:
Consistent mechanical properties across production runs
Interchangeability with major international fitting systems
Reduced total cost of ownership through extended maintenance intervals
For engineering teams designing or upgrading processing systems, this union represents a cost-effective solution that balances initial investment with long-term reliability. Contact our technical support team in Shanghai for application-specific recommendations or custom configuration options.
Frequently Asked Questions:
Q1: Is this union suitable for steam cleaning applications?
A: Yes, the 316L construction withstands periodic steam exposure up to 150°C. Prolonged steam service above this temperature requires consultation.
Q2: Can I connect this to DIN standard piping?
A: While designed for NPT systems, adapters for DIN 11851 and other standards are available as separate components.
Q3: What is the lead time for bulk orders?
A: Standard orders ship within 7 working days. Volume discounts apply for orders exceeding 100 units.
Q4: Does this fitting require thread sealant?
A: For optimal performance in sanitary applications, FDA-compliant PTFE tape or liquid thread sealant is recommended.
Q5: Are material certifications provided?
A: Mill test reports confirming 316L composition are available upon request.
Q6: What is the difference between 316 and 316L grades?
A: 316L has lower carbon content (≤0.03%) for improved weldability and reduced sensitization during thermal cycling.
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