High pressure, packed type cylinder valve for corrosive and toxic gases with non-return valve – D183
High pressure & high flow bulk valve - 2-piece Stem design - spring loaded gland packing - soft seat
Key advantages
  • 2-piece sturdy stem design.
  • Non-rotating, thread less lower spindle
  • No particle shedding threading in gas wetted valve cavity.
  • Self-adjusting, spring-loaded V-ring gland packing
  • Metal to metal sealing by a nickel ring
  • Left hand threaded counter nut to secure sealing mechanism even under excessive torque.
  • O-ring fitted into gland nut guarantee a secondary sealing and exclude humidity.
  • Soft seat offers low operating torque and is captivated to avoid extrusion and blockage of the valve.
ConnectionsAccording (inter-)national standards and customer’s specifications
Working pressure200 bar
Nominal flow rateCV = 1.1
Temperature range-20 to +65 °c
Body materialStainless steel 1.4471 (AISI 316Ti), 1.4435 (AISI 316L)
Leak rate<1.10-5 m bar L/s
Seat orifice size12 Mm
Markingπ (according to TPED), manufacturing date, 3 stars, valve part number, valve inlet, valve outlet
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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