1/4"Female NPT High Purity Diaphragm Valve Two Way Manual

1/4"Female NPT High Purity Diaphragm Valve Two Way Manual

Brand: LITEN FLOW
Product Type: Diaphragm Valve
Connection Sizes: 1/4" FNPT, 3/8" FNPT
Max Pressure: 300 PSI (20.7 bar)
Body Material: 316L Stainless Steel (VIM/VAR)
Diaphragm: Elgiloy® Alloy / 316L Stainless Steel
Seat Material: PEEK (Standard) / PFA (Optional)
Temperature Range: -10°C to 150°C
Leak Integrity: ≤ 1 x 10⁻⁹ scc/sec Helium
Actuation: Manual / Pneumatic
Surface Finish: 10 Ra Electropolished
Applications: Semiconductor, Pharmaceutical, Chemical Processing
Certifications:

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Product Details

Product Tags

LITEN FLOW Diaphragm Valve – 1/4" & 3/8" FNPT | 300 PSI High-Purity Flow Control
Precision Flow Control for Critical Industrial Applications
The LITEN FLOW Diaphragm Valve delivers reliable, leak-tight performance for high-purity gas and fluid systems in semiconductor, pharmaceutical, chemical processing, and industrial applications. Available in 1/4" FNPT and 3/8" FNPT connections with a maximum working pressure of 300 PSI, this compact valve combines superior sealing technology with corrosion-resistant construction for demanding process environments.

Quality Assurance & Testing
Every LITEN FLOW diaphragm valve undergoes rigorous quality control to ensure exceptional performance and reliability:

✓ 100% Helium Leak Testing – Certified to ≤ 1 x 10⁻⁹ scc/sec
✓ Hydrostatic Pressure Testing – 1.5x working pressure verification
✓ Material Certification – Full traceability with mill test reports
✓ Dimensional Inspection – Precision measurement of all critical dimensions
✓ Surface Finish Verification – Ra measurement confirmation
✓ Cycle Life Testing – Minimum 50,000 cycle validation
✓ Cleanroom Assembly – Class 100 clean room fabrication and packaging