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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

12 products
NameNominal pressureConnection type InletNominal diameterWeightMaterial numberPrice
NORI40 RXL PN25/40 DN15 1.0460PN 40Flange DIN/ENDN 153.2 Kilogram05009571
NORI40 RXL PN25/40 DN20 1.0460PN 40Flange DIN/ENDN 204 Kilogram05009572
NORI40 RXL PN25/40 DN25 1.0460PN 40Flange DIN/ENDN 254.7 Kilogram05009573
NORI40 RXL PN25/40 DN32 1.0460PN 40Flange DIN/ENDN 327.9 Kilogram05009574
NORI40 RXL PN25/40 DN40 1.0460PN 40Flange DIN/ENDN 409.3 Kilogram05009575


TitleFormatSizeLast change
Declaration of Conformity (0570.8533_EN)PDF0.184/19/2021
TitleFormatSizeLast change
Betriebsanleitung (0570.82_EN)PDF15.364/19/2021
TitleFormatSizeLast change
NORI 40 RXL/RXS (7673.1_EN)PDF14/19/2021
TitleFormatSizeLast change
NORI 40 RXL/RXS (7673.521_EN)RTF0.054/29/2021

Technical Data

  • FunctionPrevent backflow
  • Connection typeFlange, Butt weld ends, Socket weld ends
  • Design concept DriveWithout
  • Mains frequency-99999 Hz
  • Mains voltage-99999 V
  • Casing materialP250GH, GP240GH+N
  • 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