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.