FitSys 18.R
Vending

FitSys 18 Backflow Preventer

The FitSys 18 Push-Fit fitting system is used with a variety of liquid and gaseous media. It can also be used for food, hot water, steam and many aggressive media.

If the flow directions are changed due to pressure fluctuations in the pipe system, the backflow preventer blocks the pipe, triggered by the negative pressure on the inlet side. A backflow of the medium is thus prevented.

The backflow preventer helps to operate the entire system with secured parameters.

Fittings FitSys 18
Technical inquiry Data sheet
FitSys 18 Backflow Preventer

Applications

  • Distribution systems in vending machines as well as coffee and espresso machines
  • Pharmaceutical technology
  • Laboratory and analytical equipment
  • Medical equipment
  • Diagnostics
  • Industrial applications
  • Environmental engineering

Characteristics

  • Easy to assemble push-fit system
  • Compact design, for space optimisation
  • Easy to disassemble
  • Hose guide prevents misalignment of tubing
  • Tactile feedback when inserting the hose
  • Minimal axial clearance on dynamic pressure loads
  • No damage to the hose
  • High temperature resistance (Saturated steam 143° C at 3 bar (290° F at 43.5 psi))
  • UL and NSF/ANSI 169 certified versions available

Technical data

  • Type Non-return valve (check valve)
  • Construction Push-Fit without tools
  • Media Cold and heated potable water and physically and chemically similar media
  • T-Medium 5 - 98 °C
  •   5 - 143 °C (3 bar) Saturated steam (289.4 °F (43.5 psi))
  • T-Ambient 5 - 60 °C

Materials

  • Fitting body / connection type PPSU
  • O-rings EPDM
  • O-ring FKM on request
  • Spring Stainless steel

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