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Help CenterPrecision-Machined Stainless Steel Welded Elbow, for High Purity Gas Transmission
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As a specialized manufacturer based in Shanghai, Shanghai Quanbao Electronic Materials Technology delivers precision-engineered solutions for critical fluid systems. Our stainless steel welded elbows are engineered specifically for high-purity gas transmission applications where contamination control is paramount. These components represent our commitment to manufacturing excellence, providing reliable performance in semiconductor, pharmaceutical, and laboratory environments where system integrity cannot be compromised.
- Zero-Particulate Design: Precision CNC machining combined with specialized welding techniques eliminates internal crevices where contaminants could accumulate
- Superior Flow Characteristics: Optimized radius geometry minimizes pressure drop and turbulent flow
- Material Integrity: Manufactured from certified 316L stainless steel with low carbon content to prevent corrosion
- Surface Excellence: Available in Ra ≤ 15 µin EP (electropolished) or Ra ≤ 25 µin MP (mechanical polish) finishes
| Nominal Size | Center-to-Face (mm) | Wall Thickness (SCH 10S) | Max Working Pressure |
|---|---|---|---|
| 1/2" | 38 | 1.65mm | 1480 PSI |
| 1" | 51 | 2.11mm | 1150 PSI |
| 2" | 76 | 2.77mm | 860 PSI |
Our manufacturing process includes argon purge welding to prevent oxidation, followed by rigorous cleaning per IEST-CC1246D protocols. Each elbow undergoes helium leak testing to 1x10-9 atm·cc/sec standards and dimensional verification using CMM equipment. The benefits you gain include:
- Elimination of particle shedding that can contaminate sensitive processes
- Reduced maintenance frequency and system downtime
- Compatibility with CIP/SIP cleaning procedures
- Long-term corrosion resistance even with aggressive gases
Shanghai Quanbao's decade of expertise in electronic materials translates to fittings that meet the most stringent purity requirements. We maintain full material traceability with certified MTRs and provide comprehensive documentation packages. For mission-critical gas delivery systems where failure is not an option, our precision elbows deliver measurable performance advantages. Contact our Shanghai technical team today to discuss your specific application requirements or request validation samples.
FAQ Section
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Q: Are these elbows suitable for oxygen service?
A: Yes, when ordered with specialized degreasing and passivation processing for oxygen compatibility -
Q: What documentation accompanies the product?
A: Standard packages include Material Certificates (MTR), Certificates of Conformance, and surface roughness reports -
Q: Can you supply custom angles beyond 90 degrees?
A: 45° elbows are regularly stocked, with other angles available as custom manufactured items -
Q: What is the lead time for non-standard sizes?
A: Typical custom manufacturing requires 4-6 weeks depending on specifications -
Q: How are fittings packaged for cleanroom environments?
A: Double-bagged in Class 100 cleanrooms with nitrogen purge, using particle-free packaging materials -
Q: Do you provide installation guidance?
A: Yes, we offer weld procedure specifications and orbital welding parameter recommendations
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