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Help Center316L Stainless Steel VCR Male to Male NPT Adapter for High-Purity Gas Systems
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As a specialized manufacturer of precision fluid system components, Shanghai Quanbao Electronic Materials Technology leverages our Shanghai-based engineering expertise to deliver this critical gas transfer solution. Our 316L stainless steel VCR-to-NPT adapters ensure leak-proof integrity in ultra-clean environments where contamination control is paramount. Engineered for semiconductor fabrication and analytical instrumentation, these fittings maintain gas purity from source to point-of-use.
Core Technical Advantages:
- Corrosion-resistant 316L construction prevents particulate generation
- VCR face seal design achieves <10-9 atm·cc/sec helium leak rate
- Precision-machined NPT threads ensure vibration-resistant connections
- Electropolished interior (Ra ≤ 15 µin) minimizes adsorption sites
- Full material traceability with mill test certificates available
Performance Specifications:
| Temperature Range | -20°C to 200°C |
| Surface Roughness | Ra ≤ 0.4 μm (electropolished) |
| Common Sizes | 1/4", 3/8", 1/2" VCR/NPT combinations |
| Cleanliness | Class 100 cleanroom packaged |
These adapters enable reliable interconnection between VCR-sealed components and NPT-threaded equipment while maintaining strict purity requirements. The metal-to-metal seal eliminates elastomer degradation concerns in aggressive media. Installation benefits include 30% faster assembly compared to compression fittings and reusable connection integrity through multiple maintenance cycles.
Shanghai Quanbao's decade-long specialization in high-purity fluid components ensures rigorously tested products that meet critical industry standards. Our Shanghai manufacturing facility employs precision CNC machining with full dimensional verification. Contact our technical team for material certifications and custom configuration options to optimize your gas delivery system performance.
Frequently Asked Questions:
Q: What gases are these adapters compatible with?
A: Suitable for inert gases, high-purity argon/nitrogen, and most corrosive process gases when using 316L construction.
Q: Are installation tools required?
A: VCR connections require a torque wrench for proper gasket compression; NPT connections use standard pipe thread techniques.
Q: Can I get different size combinations?
A: Yes, we offer various VCR-to-NPT size configurations - specify requirements when ordering.
Q: How many reuse cycles do the gaskets support?
A: Metal gaskets typically withstand 5-8 reassemblies when properly handled and torqued.
Q: Is passivation available?
A: Electropolishing includes passivation; additional nitric acid passivation is optional.
Q: What documentation accompanies orders?
A: Standard shipments include material certs; full traceability documentation is available upon request.
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