KOGANEI CORPORATION
Koganei Constant Dispensing PT Pump Series F-EPP, F-APP Series

Manufacturer: KOGANEI CORPORATION
Features
This system employs a PT parallel tube diaphragm pump configuration, and it combines Koganei’s unique eight shaped cross section tube with bellows to deliver stable and precise pumping performance. As a result, the design eliminates sliding portions, so particle generation during pump operation becomes almost nonexistent. Moreover, this structure removes the need for syringe pump seal replacement and other periodic maintenance, which reduces downtime and operating costs.
In addition, the internal structure minimizes liquid chemical residue, so it prevents gel formation of photoresist materials and supports cleaner processing. Furthermore, the sealed design blocks outside air from entering the system, and this feature significantly reduces the risk of electrolyte crystallization. Therefore, the pump ensures long term stability, high cleanliness, and reliable performance in demanding chemical applications.
Specifications
| Model | F-EPP05-7W | F-EPP10-2W | F-EPP50-3W |
| Media | Photoresist solution, pure water, chemical solution (flammable substances not allowed) | ||
| Dispensing volume | 0.1–5.0 mL | 0.1–10.0 mL | 2–50 mL |
| Maximum dispensing pressure | 0.2 MPa | 0.3 MPa | |
| Allowable maximum vacuum pressure | −0.02 MPa | ||
| Dispensing flow rate | 0.1–4.0 mL/s | 0.1–10.0 mL/s | |
| Suction flow rate | 0.1–4.0 mL/s | 0.1–10.0 mL/s | |
| Maximum viscosity of media | 200 cP | ||
| Repeatability of dispensing volume | ±0.1% F.S. | ±0.5% F.S. | |
| Proof pressure | 0.3 MPa | 0.4 MPa | |
| Mass | 2.5 kg | 2.7 kg | 6.4 kg |
| Model | F-APP10-5W |
| Media | Photoresist solution, pure water, chemical solution |
| Maximum dispensing volume | 10 mL |
| Maximum dispensing pressure | 0.15 MPa |
| Allowable maximum vacuum pressure | −0.02 MPa |
| Proof pressure | 0.3 MPa |
| Mass | 1.9 kg |
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