The Ultimate Teflon ''TU'' Diaphragm

The Ultimate Teflon ''TU'' Diaphragm

27.09.2022

Yamada offers a Unique Unified PTFE diaphragm with bonded rubber backer for the 2" NDP-(P)50 series.
This unique design offers:

  •  A long life FLEX PTFE diaphragm.
  • An easy clean FLEX PTFE diaphragm as no center disc, nut or center rod is inside the fluid area.
  • No center hole leak path.
  • A litre per minute pump performance equal to rubber diaphragms.
  • An optimum fluid chamber filling.
  • An optimum energy versus litre per minute ratio at all levels.
  • An upgrade for existing PTFE fitted pumps.
  • An ATEX conform solution in all our metal and PVDF pump executions with aluminum motor.
  • Bolted holes to secure leak free operation.

All this of course in combination with the well known Yamada advantages like:

  • Non stalling spring loaded air valve
  • Lube free air valve
  • Graphite filled seal rings
  • Out side accessible air valve
  • Bolted design
  • Unique double pilot valve shifting execution
  • Maintenance indicator, reset button
  • High quality black PTFE coating for aluminum motor protection
  • PPG motor as standard but alsoas option
  • And many more

TU Technical specifications:

Material: PTFE/CR
Pressure: Up to 7 Bar (0,07MPa)
Temperature: 4-100°C (40-212°F)
FDA Compliant
Life time comparable with rubber diaphragms.

Pump Specifications:

  •  Available for all NDP-(P)50 MODELS
  • Metal options: Aluminum, Stainless Steel, Cast iron.
  • Synthetic options: PVDF and PPG.
  • Fluid connections depending on pump material. Mostly DN flange 2" or Rc 2" for cast iron.Aluminum has a combi flange/Rc connection.
  • Other connections are available as option.
  • Control valve and silencer are standard on every Yamada pump.
  • ATEX available.

The Easy Clean construction makes it suitable for applications were a various of fluids are pumped with the same pump, and mixing is not allowed due to safety or other reasons. Suitable for paint, chemicals and many more.