Features & Benefits
- Fluid: Helium, hydrogen, oxygen, nitrogen
- Temperature: Down to -457°F, -272°C, 1.2K
- Cold box adaptation: Welding flange
- Cryogenic extension: As per BS6364
- Body and seat materials: 316L or 304L, Plug materials: Cu AI alloy or stainless steel
- Flow characteristics: Linear or =% or on/off
- Stem tightness: Bellows sealed
- Seat tightness performance: 10-4 mbar.l/s in standard
- Across body tightness performance: 10-8 mbar.l/s in standard
- Valve to atmosphere tightness performance: 10-5 mbar.l/s in standard
- Tightness test means: Cryogenic test bench – Kellog method and mass spectrometer
- Certificates: EN 10204 3-1 for main constitutive parts of pressure shell
- Code and certifications: ASME, RCCMRX, AD2000 W10, DESP
Product Details
Spec | Detail |
---|---|
Size Range | NPS 1/8 - 12 (DN 6 – 300) |
Pressure Class | Class 150 to 300 |
Standard Connections | Butt weld |
Body Material | contact Velan |
Quality That Lasts
Precision Engineered
Our products, crafted with cutting-edge precision, set the industry standard for quality, reliability, and versatility across an expansive range of applications.
Long-Lasting & Durable
Velan leverages advanced engineering capabilities and innovation to create durable valves that meet critical industrial needs in the areas of nuclear power, mining, oil and gas, and more.
Certified & Tested
Innovation is our DNA. From our first steam trap to advanced cutting-edge valve designs, we are committed to providing solutions that define the highest standards of quality and performance.
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