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Yamada® G15 Diaphragm Pump Series
Brand: Yamada America IncWhat separates Yamada from the rest of the pack is our air valve technology.
Yamada NDP series pumps use a completely non-lubricated main air valve and independent pilot mechanisms to control the air logic.
As compressed air enters the pump, it is directed via the main air valve to one side or the other, depending upon the starting position of the c-spool.
As the air enters the chamber, it forces the diaphragm outward.
This outward momentum forces liquid out of the discharge ball valve and loads the opposite inlet ball valve.
As the diaphragm travels outward, the connected diaphragm on the opposite side is pulling the diaphragm inward.
When it travels a full stroke, it will contact the pilot valve, depressing it and breaking the seal to open an exhaust port.
The open port allows the compressed air to the exhaust from the back side of the air valve.
The pressure drop produces a shift of the main air valve. This motion simply repeats on the other side.
The Global Series pumps utilize a Step Spool; S-Spool.
Yamada Global Series pumps do not have an independent pilot valve system - less parts and consume less air versus the competition.
Available with multiport options, these AODD pumps perform extremely well in continous stop/start operations and provide exceptional suction lift.
Features- Handles a Wide Variety of Fluids with High Solids Content
- Self Priming
- Ability to Run Dry
- Variable Flow Rate and Discharge Pressure
- Portable
- Simple Installation
- Dead Head
- Shear Sensitive
- Safe Operation
- Submersible
- Pumping Efficiency Remains Constant
- Cannot Overheat
- High Pressure Capabilities
- No Mechanical Seals, Couplings or Motors
- No Pressure Relief or Bypass Needed
Specifications
Brand
Port Dimensions
Maximum Liquid Temperature
- PTFE: 212° F / 100° C
- Hytrel - TPEE: 248° F / 120° C
Air Supply Pressure
Discharge Volume per Cycle
Maximum Cycles per Minute
Maximum Size Solid
- 1 mm
Maximum Dry Suction Lift
Air Motor
Valve Type
- Ball