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ULTRAVENT 25 millibar safety valve

Product information "ULTRAVENT 25 millibar safety valve"

A unique, precise and certified valve with numerous applications for millibar-pressure gases. All safety valves are 100% tested.

Success factors / unique selling points:
  • Regulates pressure precisely in the millibar range in either direction
  • Ideal as a back-pressure regulator, pressure regulator, safety valve or vacuum breaker
  • Exceptionally precise opening and closing behaviour
  • TÜV type-tested in accordance with DIN EN ISO 4126-1
  • The pressure setting you have selected is TÜV-tested and certified
  • Proven reliability over > 100,000 cycles
  • Very low leakage rates
Special versions are not available in the shop, but can be supplied on request:
  • Operating temperatures up to 270°C
  • FDA-approved materials, suitable for medical applications
  • and much more...

If you have any specific requirements or special requests, please contact us – we’ll be happy to help!

Blow-off flow rate: See data sheet (download area)
Opening pressure: 5-500 mbarg
Gas types: All technical gases
Connection Inlet: 3/4" NPT (female thread), 7/8" - 14 UNF VCR (male thread), 9/16" - 18 UNF VCR (male thread), G 3/4 (female thread)
Connection outlet: G 1 (female thread)
Spring material: Stainless steel (1.4310)
Seal ring material: VMQ, other material on request
O-ring material: EPDM, NBR, other material on request
Valve disc material: Stainless steel (1.4404)
Inlet filter: Yes (with inlet filter no component test according to DIN EN ISO 4126-1)
Outlet strainer: Yes (with NPT option, an inch thread at the outlet)
Temperature range: -30°C to 100°C, Up to 270°C on request
Wrench size: 41 mm
Weight: 480 g
Certification: TÜV component test according to DIN EN ISO 4126-1 (100-500 mbar)
Certification (no filter | 100-500 mbar): Safety valve DIN EN ISO 4126-1
Certification (no filter | 5-99 mbar): TÜV setting certificate for opening pressure
Certification (with filter | 5-500 mbar): Control/pressure holding valve with TÜV setting certificate for opening pressure
Data sheet

User manual

TÜV certificate (DIN EN ISO 4126-1)

Important note: The TÜV certificate is only valid for variants without a filter and with an opening pressure between 100 and 500 mbar!