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Rotarex · Specialty gas systems

High Pressure line valve for UHP gases with oleo-pneumatic actuator – D689S

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Manufacturer product images · for reference

High Pressure line valve for UHP gases with oleo-pneumatic actuator – D689S — manufacturer product image

High pressure, High Flow Line Valve - tied diaphragm double seal

Key features
  • Combined soft and metal seat design with low permeation rate.
  • Welded diaphragms provide a high leak tightness integrity
  • Tied diaphragm design which minimizes gas wetted volume to allow easy purging.
  • No moving components in the gas wetted area to not generate particles.
  • Secondary sealing to prevent the gas coming in contact with actuator in the case of diaphragm failure.
  • Threaded weep hole for leak test and pipe away connection (M4 thread), allows the connection to a leak detector.
  • Front and back panel valve fixation

Specialty gas systems

Technical specifications
BrandRotarex
CategorySpecialty gas systems
Markingπ0029 (according to TPED),Valve part number, manufacturing date, nominal pressure and flow direction, Connections - seat material, 3 stars
Leak rate1.10 -8 m bar L/s
ConnectionsWelded connection according to standards
Body materialsSS AISI 316L (standard)
Working pressure200 bar
Nominal flow rateCV = 0.5
Seat orifice size6 Mm
Temperature range-40 to +65 °c

Product information and images are compiled from the manufacturer's own publications; they do not depict a Sedan Mühendislik installation. Technical data is confirmed before ordering.

More images
High Pressure line valve for UHP gases with oleo-pneumatic actuator – D689S — 1
High Pressure line valve for UHP gases with oleo-pneumatic actuator – D689S — 2
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Specialty gas systems

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