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Hydrogen, methane and acetylene applications
O-ring
12mm orifice
High pressure cylinder valve specific applications - D488
Cylinder valves with 300 bar working pressure
Key advantages
- Non-rotating, thread less lower spindle.
- No particle shedding in gas wetted valve cavity.
- ring and fitted into gland nut guarantee a secondary sealing and exclude humidity
- Soft seat captivated to avoid extrusion and good sealing performances.
- Lower spindle design allows a smooth opening of the valve, and prevents adiabatic compression.
- Possibility to add a Residual Pressure Valve (RPV)
Specifications
| Connections | According (inter-)national standards and customer’s specifications |
| Working pressure | 300 bar |
| Nominal flow rate | CV = 0.8 |
| Temperature range | -20 to +65 °c |
| Body materials | Stainless steel 1.4435 (AISI 316L) |
| Leak rate | <1.10-3 m bar L/s |
| Seat orifice size | 6 Mm |
| Marking | π (according to TPED), manufacturing date, 3 stars, valve part number, valve inlet, valve outlet |
Dimensional drawings
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