Attributes
| Model | 3621XD |
|---|---|
| Product Type | pump |
| Max Psi | 2000 |
| Max Bar | 138 |
Description
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.
**XD-Series pumps incorporate advanced X-Series high-pressure packing technology along with a proprietary low-pressure seal design that eliminates the need for a freshwater flush. A precision-machined crankcase with upgraded connecting rod and plunger rod materials ensures smooth, continuous-duty performance in ultra-pure DI water applications.**
Specifications
| Max Flow | 25 gpm / 94.6 lpm |
|---|---|
| Max Pressure | 2000 |
| Inlet Port Size | 1 1/2" NPT(F) |
| Discharge Port Size | 1" NPT(F) |
| RPM | 870 |
| Material | 316 Stainless Steel |
PDF Documents
3621X, 3621XD Data Sheet
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36 Frame Service Manual
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Tech Bulletin 002 - Inlet Pressure vs. Water Temperature
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Tech Bulletin 035 - Servicing Crankcase Section - Roller Bearing Models
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Tech Bulletin 074 - Torque Chart
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Tech Bulletin 095 - Galling Prevention
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Tech Bulletin 134 - Piston and Plunger Pump Crankcase Capacities
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Service Bulletin 004 - 35 Frame Crankcase Oil Seal Replacement Tool Kit
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XD-Series Brochure
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XD-Series Sell Sheet
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