KOENIG CHECK VALVE® SERIES BR 5.5mm Reverse

  • Design based on the expansion principal
  • Available in standard sizes, with different opening pressures and screens
  • Specific customer solutions on request

KOENIG CHECK VALVE® SERIES BR 5.5mm Reverse

KOENIG CHECK VALVE® SERIES BR 5.5mm Reverse Flow Valve – OVERVIEW

REVERSE FLOW CHECK VALVEINSTALLATION HOLE

The dimensions of our BR 5.5 reverse flow valve are laid out in these diagrams.

Product SpecificationsPressure Performance3D CADTechnical DownloadsVideo
BR flow restrictor valve
Check Valve Reverse Flow – Unscreened
Model CodeCracking Pressure (bar)
BRAA055U0000.00 (no spring)
BRAA055U0140.14 (±0.05)
BRAA055U0250.25 (±0.10)
BRAA055U0400.40 (±0.30)
BRAA055U0500.50 (±0.30)
BRAA055U1001.00 (±0.30)
BRAA055U2002.00 (±0.30)
Our one-piece BR reverse flow valve is available in many cracking pressures with our screened model, laid out in this table.
Check Valve Reverse Flow – Screened
Model CodeCracking Pressure (bar)
BRAA055S0000.00 (no spring)
BRAA055S0140.14 (±0.05)
BRAA055S0250.25 (±0.10)
BRAA055S0400.40 (±0.30)
BRAA055S0500.50 (±0.30)
BRAA055S1001.00 (±0.30)
BRAA055S2002.00 (±0.30)
Materials
Sleeve1.4305 / AISI 303
Pin1.4021 / AISI 420A
Cage1.4305 / AISI 303
Spring1.4310 / AISI 301
Ball1.3541 / AISI 420C
Screen1.4401 / AISI 316L
Performance
Max. installation force6200 N
Max. working pressure in check direction280 bar
Max. working pressure in flow direction40 bar
Max. leakage on air20 sccm/min. @ 1.72 bar
Max. leakage on hydraulic fluid (HLP46)1 drop/min.
Cycle test on hydraulic fluid (HLP46)1 Mio. Cycles, 5 Hz, 6 bar, 50˚C
Screen size125 Microns Absolute
Material of test bodyEN-GJS-600-3
check valve flow
check valve specifications
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