Nezávazná poptávka
  • Prodej plastového potrubí, tvarovek a armatur z PVC-U, PVC-C, ABS, PP-H, PP-R, PE, PB, PVDF, PFA a litiny.
  • Prodej plastového potrubí, tvarovek a armatur z PVC-U, PVC-C, PP-H, PE, PVDF, PB a ABS.

Zpětné ventily 561 a 562

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Zpětné ventily 561 a 562

The check valve types 561 and 562 ring in a new generation of valves, featuring more safety, simplicity and efficiency.

Our engineers focused primarily on two areas in the development of the new check valves: How can we make an established product type even more reliable? And how can we reduce the wear and tear on moving parts and consequently keep maintenance to a minimum? The solution was to completely redesign the inner workings of the valve.

GF Piping Systems developers examined every function and optimized every detail until a much improved valve performance was measured.

The two check valves type 561 and type 562 fit into the most common piping systems worldwide thanks to our comprehensive product range.

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Fields of Application:

  • Chemical Process Industry
  • Water Treatment
  • Microelectronics
  • Food & Beverage
  • Cooling Process
  • Ship Building


  • Self closing check valve
  • Self cleaning design
  • Integrated spring for horizontal installation
  • Optimized flow design
  • Corrosion resistant and high pressure rating
  • Wide selection of material for best chemical resistance


  • With Screen assembly: Protection against dirt


  • Type 561: without Spring
  • Type 562: with Spring



Technická specifikace

Range: d16DN10 - d110DN100
Nominal pressure:
PN10 (PP-H, ABS)
solvent cement socket, solvent cement spigot, fusion socket, fusion spigot, threaded socket, flange version
Materials: PVC-U, PVC-C, ABS, PP-H, PVDF
Seals: EPDM, FPM
Spring (only type 562):
Standard: V2A (1.4301)
Option: Nimonic 90 (2.4632); Nimonic 90 Halar (ECTFE) coated

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