5 Frame Piston Pump
Industrial Duty, Long Lasting, Dependable Pumps
Model: 390
This triplex (three piston rods) positive displacement, reciprocating piston pump is constructed with chrome-plated brass manifolds, 304 stainless steel valve assemblies, and chrome-plated 304 stainless steel sleeves and cylinders. Multiple piston cup and seal configurations are available with NBR (Buna-N) O-rings.
The lower RPM belt drive design provides strong inlet suction and long-lasting pump and seal life.
Technical Specifications
Max Flow | 12 gpm / 45.4 lpm |
Max Pressure | 600 |
Inlet Port Size | 1" NPT(M) |
Discharge Port Size | 1/2" NPT(F) |
RPM | 1200 |
Drive Type(s) | Belt |
Material | Brass |
Product Information
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- Tech Bulletin 002 - Inlet Pressure vs. Water Temperature
- Tech Bulletin 024 - Lubrication of Lo-Pressure Seals
- Tech Bulletin 030 - Flanged Nut-Discharge Manifold
- Tech Bulletin 034 - Servicing Crankcase Section - Ball Bearing Models
- Tech Bulletin 036 - Identifying Your Pump
- Tech Bulletin 039 - Flat Valves VS Quiet Valves
- Tech Bulletin 074 - Torque Chart
- Tech Bulletin 083 - Winterizing a Pump
- Tech Bulletin 090 - Cover, O-ring, Crankcase Change
- Tech Bulletin 134 - Piston and Plunger Pump Crankcase Capacities