Direct seal brass cylinder valve for high purity gases - D203
Diaphragm seal - metal-to-metal seat
Key advantages
- Soft seat sealing arrangement offers low operating torque
- Valve seat captivated to avoid extrusion and blockage of the valve
- High leak tightness integrity through diaphragm sealing
- High performance thrust pad
Specifications
| Connections | According (inter-)national standards and customer’s specifications |
| Working pressure | 315 bar |
| Nominal flow rate | CV = 0.35 |
| Temperature range | -40 to +65 °c |
| Body materials | Brass CW617N according to EN 12420 |
| Leak rate | 1.10-7 m bar L/s |
| Seat orifice size | 3.5 Mm |
| Marking | π (according to TPED), manufacturing date, 3 stars, valve part number, valve inlet, valve outlet, V-9 |
Dimensional drawings
Downloadable catalogs, brochures
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