7 Frame Plunger Pump
Industrial Duty, Long Lasting, Dependable Pumps
        Model: 56
      
      This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a chrome-plated brass manifold, 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.
          Technical Specifications
        
        | Max Flow | 5.5 gpm / 20.8 lpm | 
| Max Pressure | 3500 | 
| Inlet Port Size | 1/2" NPT(F) | 
| Discharge Port Size | 3/8" NPT(F) | 
| RPM | 1210 | 
| 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