Info request

1/4”- 4” heavy pattern
brass check valve

Technical Data
  • Suitable for domestic, industrial, pneumatic and hydraulic installations
  • Performs well in any orientation
  • Strong configuration suitable to most difficult applications
  • Low noise
  • Low water hammer
  • Lowest pressure drop
  • Hot forged CW617N brass body
  • Perfect seal at low and high pressure, within a wide temperature range
  • NBR seal from 1/4″ up to 3″, FPM for 4″ size
  • ISO 228 parallel female by female threads
Working pressure & temperature
  • Cracking pressure: min 0.025 bar
  • Sealing pressure: min 0.05 Bar
  • See non-shock cold working pressure on chart
  • -20°C to +100°C (-4°F to +210°F)
  • WARNING: freezing of the fluid in the installation may severely damage the valve
  • Stainless steel filter
PED directive
  • The product described in this document meets the requirements of PED Directive 2014/68/UE and according to art.4 par.3, it does not require CE marking; it cannot be used with dangerous gases in sizes larger than 20mm; it cannot be used with non-dangerous gases in sizes larger than 40mm
Approved by or in compliance with
  • GOST-R (Russia)


NOTE: approvals apply to specific configurations/sizes only.

Part descriptionQ.tyMaterial
4Seat1NBR (from 1/4" up to 3") FPM (from 4" size)
5Disc guide1Hostaform
6Stainless steel spring11.4325 / AISI 302
Pressure-temperature chart
Pressure drop chart
Ask for additional information on the whole range of RuB products and consult with your supplier for special applications.
XCE123 - 4266