Daido Internal Gear Pumps for High Viscosity Service
PPS is the exclusive North American partner for Daido high pressure, high viscosity internal gear pumps, with selection, new pumps, genuine parts and repair.
How a Daido internal gear pump works
A driven gear turns an idler pinion that runs on a pin, offset from the gear's center. A crescent on the casing cover fills the space between them. As the teeth separate, fluid floods the gaps; the rotation carries it around the crescent; as the teeth mesh again, the fluid is forced out of the discharge port. The original Taocloid tooth profile gives long gear life and high efficiency.
Daido pump series
G series internal gear pumps
| Pressure | To 658 psi |
|---|---|
| Temperature | To 450 C |
| Viscosity | To 2,500,000 mPa.s |
| Capacity | To 660 m3/h |
| Materials | Cast iron, stainless steel; special materials available |
SE series
| Pressure | To 1.0 MPa |
|---|---|
| Temperature | To 150 C |
| Viscosity | To 50,000 mPa.s |
| Capacity | To 152 m3/h |
| Material | Stainless steel |
NR series rotary lobe pumps
Non-contact trilobal rotors move product gently without breaking solids. Reversible rotation lets you choose suction and discharge lines. SUS316 construction for sanitary service.
Applications
- Polymer and resin transfer
- High viscosity chemical transfer
- Continuous duty process service in petrochemical plants
- Pharmaceutical and food processing
Daido gear pump questions
Who supplies Daido gear pumps in North America?
PPS is the exclusive North American partner for Daido, for new pumps, parts and authorized aftermarket service.
What viscosity can a Daido G series pump handle?
Up to 2,500,000 mPa.s, at pressures to 658 psi and temperatures to 450 C, with capacities to 660 m3/h.
Our gear pump is losing flow. Can you repair it?
Yes. Wear on the gear, pinion, bush and crescent opens internal clearances and lets fluid slip back to suction. We inspect, measure and restore clearances, and supply genuine Daido parts.
Send the fluid, viscosity, flow, pressure and temperature. We return a selection and price.