Low pressure & high flow UHP cylinder valve with pneumatic actuator - D387
D387 low pressure pneumatic cylinder valve for UHP, corrosive, reactive and toxic gases is designed with the tied-diaphragm in order to keep the highest level of purity of the gas. Its 8mm orifice size allows a high CV value.
Key advantages
  • Reduced dead space and gas wetted volumes allow easy purging
  • No particle generating threads in the gas wetted part
  • Prevents seizure - Gas does not come into contact with the valve operating mechanism
  • Back-up welded diaphragms provide a permanent and durable gas tight seal
Gas TypePure & Ultra-pure
ConnectionsAccording (inter-)national standards and customer specifications
Working pressure45 bar
Flow rateCV=0.7
Temperature range-40 to +65°C
Body materialsStainless steel 1.4435 (AISI 316L), Hastelloy® C22, Nickel 200, Monel® 2.4375 (Monel 500 K)
Leak rate1.10-8 M bar l/s
Seat orifice size8 Mm
Markingπ0029 (according to TPED), 3 stars, valve number, manufacturing date
Dimensional drawings
Downloadable catalogs, brochures
  • Download
    Puretec overview
    Last update: Jan 15, 2024
    Available in: en
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