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NAI-LOK Ultra High Purity Fittings SS316L 90° Welded Elbow Connector | ASTM BPE Standard for Biopharma Systems
Tube Fittings
A fitting or adapter is used in semi-conductor industry, aero-space industry, solar power battery, petroleum and petrochemical industry, power energy, bio-pharmaceuticals industry and vacuum system, etc. we will keep moving and making unceasing progress in the high-tech flow control field and serve the customers sincerely.
Instrument Types Stainless Steel fittingsNAI-LOK BA/EP Grade SS316L Elbow Fittings is designed for ultra high purity gas and fluid systems where cleanliness and corrosion resistance are critical. Manufactured to ASTM BPE standards and finished with BA (Bright Annealed) or EP (Electropolished) internal surface treatment, this elbow fitting ensures a smooth, crevice-free flow path ideal for sensitive applications in semiconductor, biopharmaceutical, and high-purity gas industries.
The 90-degree elbow provides directional change while maintaining a secure, permanent welded connection. It is fabricated from 316L stainless steel with low sulfur content for excellent weldability and minimal contamination risk.
| Item | Details |
|---|---|
| Product Name | 90° Elbow Weld Fitting |
| Brand | NAI-LOK |
| Material | Stainless Steel 316L |
| Outer Diameter (OD) | 1/4"-6" |
| Wall Thickness | 0.89mm ~ 2.11mm (per size) |
| Surface Finish | BA (Bright Annealed) / EP (Electropolished) |
| Surface Roughness (Ra) | ≤ 0.25 μm (EP), ≤ 0.8 μm (BA) |
| Standard | ASTM BPE, ASME B16.9 |
| Type | 90 Degree Long Radius Elbow |
| End Type | Butt Weld |
| Pressure Rating | Suitable for high purity vacuum or low-pressure systems |
| Operating Temperature | -196°C to +450°C |
| Cleaning Standard | UHP Cleaned & Capped |
| Certification | ISO 9001:2015, Material Test Report (MTR) available |
| Application Industries | Semiconductor, Biopharma, Cleanroom, Food & Beverage |
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