High pressure cylinder valve for High purity gases – D200
The D200 standard valve is designed to keep a high level of purity of the gas. The gas does not come into contact the valve operating mechanism thanks to its diaphragm technology. The D200 is suitable for High purity, flammable or toxic gases, used in many fields of applications, as calibration, laboratories, research centers or in the food industry.
Key advantages
  • Soft seat sealing arrangement offers low operating torque
  • Valve seat captivated to avoid extrusion and valve blockage
  • High leak tightness integrity through diaphragm sealing
  • High performance thrust pad
Gas TypePure & Ultra-pure
ConnectionsAccording (inter-)national standards and customer specifications
Working pressure200 bar
Flow rateCV=0.35
Temperature range-40 to +65 °c
Body materialsBrass, Stainless Steel, Nickel
Leak rate1.10-7 M bar l/s
Seat orifice size3.5 Mm
Markingπ0029 (according to TPED),Valve part number, manufacturing date, nominal pressure and flow direction, Connections - seat material, 3 stars
Dimensional drawings
Downloadable catalogs, brochures
  • Download
    Puretec Catalog
    Last update: Jan 15, 2024
    Available in: en
  • Download
    Puretec overview
    Last update: Jan 15, 2024
    Available in: en
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