NORI 40 RXL/RXS Lift check valve
Lift check valve


Lift check valve to DIN/EN with flanged ends (RXL), butt weld ends or socket weld ends (RXS), check disc with closing spring, seat/disc interface made of wear and corrosion resistant chrome steel or chrome nickel steel.
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Technical Data

  • Nominal pressurePN 40, PN 25, PN 10, PN 16
  • Max. nominal sizeDN 400
  • Max. allowed fluid temperature450 °C


  • Reliable sealing. Bonnet gasket fully confined to prevent creep.
  • Hard-faced valve seat made of wear-resistant and corrosion-proof materials for long service life and high functional reliability.
  • Easy to repair due to corrosion-protected bolts/screws and nuts

Material number list – NORI 40 RXL/RXS

24 products
NameNominal pressureNominal size InletConnection type InletWeightMaterial numberPrice
NORI40 RXL PN25/40 DN15 1.0460PN 40DN 15Flange DIN/EN3.2 Kilogram05009571
NORI40 RXL PN25/40 DN15 1.0460DN 15Flange DIN/EN3.2 Kilogram01703650
NORI40 RXL PN25/40 DN20 1.0460DN 20Flange DIN/EN4 Kilogram01703652
NORI40 RXL PN25/40 DN20 1.0460PN 40DN 15Flange DIN/EN4 Kilogram05009572
NORI40 RXL PN25/40 DN25 1.0460PN 40DN 15Flange DIN/EN4.7 Kilogram05009573


TitleFormatSizeLast change
icon download-pdfDeclaration of Conformity (0570.8533_EN)pdf0.185/24/2019
TitleFormatSizeLast change
icon download-pdfBetriebsanleitung (0570.82_EN)pdf15.365/24/2019
TitleFormatSizeLast change
icon download-pdfNORI 40 RXL/RXS (7673.1_EN)pdf15/7/2020

Technical Data

  • FunctionPrevent backflow
  • Connection typeFlange, Butt weld ends, Socket weld ends
  • Design concept DriveWithout
  • Mains frequency-99999 Hz
  • Mains voltage-99999 V
  • Casing material0657, 2351
  • Nominal pressurePN 40, PN 25, PN 10, PN 16
  • Max. nominal sizeDN 400
  • Min. nominal sizeDN 10
  • Max. allowed fluid temperature450 °C
  • Min. allowed fluid temperature-10 °C
  • Valve body typeStraight-way vlv w.flngd ends, Straight-way valve w.weld ends

Sectional Drawings