4SP Direct Drive Plunger Pump
Industrial Duty, Long Lasting, Dependable Pumps
Model: 4SP21ELR
This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a brass manifold, 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings. "R" pump models include an integral pressure regulating valve.
4SP Series pumps are hollow-shafted and designed to bolt directly to a 56C-face electric motor, providing an easy, compact installation.
Technical Specifications
| Max Flow | 2.1 gpm / 7.9 lpm |
| Max Pressure | 2000 |
| Inlet Port Size | 3/8" NPT(F) |
| Discharge Port Size | 3/8" NPT(M) |
| RPM | 1750 |
| Drive Type(s) | Direct |
| Material | Brass |
Product Information
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- Tech Bulletin 002 - Inlet Pressure vs. Water Temperature
- Tech Bulletin 036 - Identifying Your Pump
- Tech Bulletin 043 - Servicing the Low and High Pressure Seals
- Tech Bulletin 055 - Removing Pump from Engine or Motor
- Tech Bulletin 074 - Torque Chart
- Tech Bulletin 083 - Winterizing a Pump
- Tech Bulletin 134 - Piston and Plunger Pump Crankcase Capacities
