7 Frame Plunger Pump
Industrial Duty, Long Lasting, Dependable Pumps
Model: 57
This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a forged brass manifold, 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.
Technical Specifications
| Max Flow | 4.5 gpm / 17 lpm |
| Max Pressure | 4000 |
| Inlet Port Size | 1/2" NPT(F) |
| Discharge Port Size | 3/8" NPT(F) |
| RPM | 1285 |
| Drive Type(s) | Belt, Clutch, Flexible Coupling and Bellhousing |
| Material | Brass |
Product Information
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- Tech Bulletin 123 - Crankcase Threaded Side Holes
- Tech Bulletin 002 - Inlet Pressure vs. Water Temperature
- Tech Bulletin 024 - Lubrication of Lo-Pressure Seals
- Tech Bulletin 027 - PVDF Spring Retainers
- Tech Bulletin 035 - Servicing Crankcase Section - Roller Bearing Models
- Tech Bulletin 036 - Identifying Your Pump
- Tech Bulletin 043 - Servicing the Low and High Pressure Seals
- Tech Bulletin 054 - 2-Piece Seal Retainer
- Tech Bulletin 058 - Fine to Coarse Thread Extended Valve Plug
- Tech Bulletin 067 - Brass to Stainless Plunger Retainer
- Tech Bulletin 074 - Torque Chart
- Tech Bulletin 083 - Winterizing a Pump
- Tech Bulletin 105 - Seal Retainer Assemblies
- Tech Bulletin 106 - Crankcase and Cover Change
- Tech Bulletin 118 - Crankcase Paint Change
- Tech Bulletin 121 - 7 and 8 Frame Plunger Pump Bell Housing Mounting
- Tech Bulletin 134 - Piston and Plunger Pump Crankcase Capacities
