Diaphragm seal lecture bottle valve - D250
The D250 is a high pressure valve intended to be installed on leture bottles filled with various specialty gases. Mostly used in calibration applications, the used technology allows easy operation under high pressure, avoid extrusion or blockage of the valve.
Key advantages
- Valve seat captivated to avoid extrusion and valve blockage
- Easy operation under high pressure
- O-rings fitted into the gland to exclude penetration of humidity
Specifications
| Connections | According (inter-)national standards and customer specifications |
| Working pressure | 200 bar |
| Flow rate | CV=0.25 |
| Temperature range | -20 to +65 °c |
| Body materials | Stainless steel, Brass, AlSiBz |
| Leak rate | 1.10-7 M bar l/s |
| Seat orifice size | 4 Mm |
| Marking | π0029 (according to TPED), manufacturing date, 3 stars, valve part number, valve inlet, valve outlet |
Dimensional drawings
Downloadable catalogs, brochures
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