Check valves


IMP Armature check valves guarantee the complete and fast restriction of pipeline back-flow.

We offer check valves fitted with EPDM gaskets suitable for the food industry as attested by the necessary certifications granted by accredited institutions.


Characteristics and advantages of our check valves

  • Turnable disc enables double lifetime for dim. up to DN300.
  • Simple operation.
  • Total restriction of return flow.

NORVA flanged swing check valve Art. 435

Art. 435 NORVA - Flanged swing check valve

NORVA flanged swing check valve Art. 435 DN 40 - DN 500 (DN 350 +)

  • Gasket symmetry doubles the lifetime (up to DN 300).
  • Wide spectrum of application in potable and waste water systems.
  • Quick and easy removal of cover and gasket.
  • Low pressure leak rates.
Data sheet  



MEVA flanged diaphragm non-return valve Art. 442

Art. 442 MEVA - Flanged diaphragm non-return valve

MEVA flanged diaphragm non-return valve Art. 442 DN 40 - DN 400

  • Prevention of water hammer.
  • Inaudible and soft closing.
  • Recommended flow rate 2 to 4m/s.
Data sheet  



Non-return valves Art. 511 and Art. 531

Art. 511 flanged non-return valve

Non-return valves Art. 511 DN 40 - DN 600 and Art. 531 DN 40 - DN 400

  • Short face to face length.
  • Broad scope of application (also suitable for gases).
  • Faster closing of Art. 531 due to built-in spring.
Data sheet Art. 511 Data sheet Art. 531  



  • Lifting device - for NORVA check valve Art. 435



Catalog of our products