Y-model non-return valve Type 303

Type 303 from GF is a high-quality non-return valve.
It has a weight and cannot be disconnected. The valve is available in FPM and EPDM versions. The innovative design gives a high degree of reliability and with proper use offers a lasting leak-free connection.



  • Low-maintenance
  • Large passage
  • For horizontal or vertical (up-flowing) installation


  • Pressure or intake line for mechanically contaminated water
  • Pressure line from the pump
  • Chemical process industry
  • Cooling
  • Water treatment
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