D 380
High Flow Tube Trailer, Ton Container valve - tied diaphragm seal - pneumatic
Key advantages:
  • Reduced dead space and gas wetted volumes allow easy purging
  • Freedom of internal threads and springs ensures minimum particulate generation
  • Prevents seizure - Gas does not come into contact with the valve operating mechanism
  • Back-up welded diaphragms provide a permanent and durable gas tight seal
  • Burst Disc materials are Nickel, AISI 316L
Ultra High Purity Gas / Cylinder Valves / Tied Diaphragm / Tied Diaphragm /
Specifications Data Sheet
Gas Type Pure & Ultra-pure  
Pin material AISI 316L, Nickel  
Diaphragm material Hastelloy  
Seat seal material PCTFE, PVDF, PI  
Body material AISI 316L, Hastelloy  
Helium Leak Rate at Max Pressure 1*10-8 mbar l/sec (He)  
Seat Orifice Size 4 mm 0.15748 Inches
Upper Operating Temperature Limit 65 Celsius 149 Fahrenheit
Lower Operating Temperature Limit -40 Celsius -40 Fahrenheit
CV 0.35  
Maximum Actuation Pressure 7 bar 101.5 PSI
Minimum Actuation Pressure 5 bar 72.5 PSI
Upper Limit Working Pressure 200 bar 2900 PSI
Spindle material AISI 316L, Hastelloy  
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Point-of-Use Regulator

Today's Rotarex is the gas control industry's innovation leader. When companies worldwide need innovative products that enable new technologies and systems, they turn to Rotarex. And it's been this way since our first cylinder valves won innovation awards in the 1920's. We've never stopped inventing, designing, prototyping and manufacturing first-of-a-kind products that solve industry challenges and invent new ways of working.


  • Rapid response R&D infrastructure
  • Applied innovations such as the cylinder multivalve
  • Breadth of technology across regions worldwide
  • Crossover solutions from one application to another


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