# 3621XD – High Pressure Plunger Pump

CAT PUMPS Deutschland GmbH · Product page: https://catpumps.de/en/pumps/plunger-pumps/3621xd/

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is part of the Cat Pumps XD-Series , engineered specifically for low-lubricity deionized (DI) water applications. The model 3621XD features a 316 stainless steel inlet manifold, duplex stainless steel discharge manifold, 316 stainless steel valve assemblies, solid ceramic plungers, and standard NBR (Buna-N) O-rings.

## Technical specifications

| Parameter | Value |
| --- | --- |
| Flow rate | 94.6 l/min |
| Operating pressure | 138 bar |
| Speed | 870 min⁻¹ |
| Inlet port | 1 1/2" NPT(F) |
| Discharge port | 1" NPT(F) |
| Shaft diameter | 35 mm |
| Material | Stainless Steel |
| Frame size | 36 PFR |

## Downloads

- Data sheet (English): https://catpumps.de/images/produkte/datenblatt/3621X_B.pdf
- Service manual (English): https://catpumps.de/images/produkte/reparatur/99MAN011A_36%20Frame%20Series.pdf
- Operating manual: https://catpumps.de/images/produkte/allgemein/Betriebsanleitung_d-e.pdf

## CAD files

- STEP: https://www.catpumps.com/sites/default/files/2025-09/3621XD.STEP
- IGES: https://www.catpumps.com/sites/default/files/2025-09/3621XD.IGS
- DXF: https://www.catpumps.com/sites/default/files/2025-09/3621XD.DXF
- DWG: https://www.catpumps.com/sites/default/files/2025-09/3621XD.DWG

Contact: CAT PUMPS Deutschland GmbH, Buchwiese 2–4, 65510 Idstein, Germany · +49 6126 9303-0 · info@catpumps.de