36 Frame X-Series Plunger Pump
Industrial Duty, Long Lasting, Dependable Pumps
This triplex (three plunger rods) positive displacement, reciprocating plunger pump is part of the Cat Pumps X-Series, engineered for maximum life in demanding applications such as seawater reverse osmosis (SWRO). The model 3631X 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) low-pressure seals and O-rings.
X-Series pumps incorporate advanced high-pressure packing technology, delivering up to three times the service life of standard designs in compatible applications. A precision-machined crankcase with upgraded connecting rod and plunger rod materials ensures smooth, continuous-duty performance even at low rpms.
| Max Flow | 36 gpm / 136 lpm |
| Max Pressure | 1200 |
| Inlet Port Size | 1 1/2" NPT(F) |
| Discharge Port Size | 1" NPT(F) |
| RPM | 800 |
| Drive Type(s) | Belt |
| Material | 316 Stainless Steel |
Product Information
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- Tech Bulletin 002 - Inlet Pressure vs. Water Temperature
- Tech Bulletin 035 - Servicing Crankcase Section - Roller Bearing Models
- Tech Bulletin 036 - Identifying Your Pump
- Tech Bulletin 074 - Torque Chart
- Tech Bulletin 095 - Galling Prevention
- Tech Bulletin 134 - Piston and Plunger Pump Crankcase Capacities
