Pressure-Pro Cat Pumps 4000 PSI 4.5 GPM Solid Shaft Plunger Pump
CAT Pumps Model 57 is a 4.5 GPM @ 4000 PSI and one of many that are used in a wide variety of cleaning and washing applications, including self-serve car washes and pressure washing. Specially formulated with V-packings that offer unmatched performance!
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This CAT Pumps 56 model pump is rated for a flow up to 5.5 gpm at 3500 PSI pressure. The model 56 brass manifold pump includes 1/2" female NPT inlet ports and 3/8" female NPT outlet ports. Use this strong, high-efficiency triplex pump for car wash systems, desalination, chemical injection, and more!
The 56 CAT model is a triplex type plunger pump with a 304 stainless steel housing, ceramic solid plungers, and a brass forged manifold that is strong and corrosion-resistant. CAT triplex pumps are precisely engineered and designed for smoother liquid flow, extended life, and unmatched durability - even at high pressure levels.
- 4.5 GPM flow rate
- 4000 PSI maximum pressure
- 100-4000 PSI pressure range
- 24mm stroke (.945")
- 24mm shaft (.945")
- 18mm bore (.708)
- 25 oz. crankcase capacity
- 1285 RPM
- 1/2" NPT-F inlet port
- 3/8" NPT-F outlet port
- 160° F maximum liquid temperature
- 7 frame style
- Flooded to 60 PSI inlet pressure range
- Triplex plunger design provides smoother liquid flow.
- Hi-Pressure Seals are completely lubricated and cooled by the liquid being pumped.
- Inlet and discharge valve assemblies interchange for easier maintenance.
- Lubricated Lo-Pressure Seals provide double protection against external leakage.
- Oil bath crankcase assures optimum lubrication.
- Close tolerance concentricity of the ceramic plunger maximizes seal life.
- Precision design 304 stainless steel valves and seats are hardened and polished for ultimate seating & extended valve life.
- Brass manifold is strong and corrosion resistant.
- Special concentric, high-density, polished, solid ceramic plungers provide a true wear surface and extended seal life.
- Specially formulated, Hi-Pressure Seals offer unmatched performance & seal life.
- Die cast aluminum crankcase provides high strength, minimum weight and precision tolerance control.
- Chrome crankshaft gives unmatched strength and surface hardness.
- Oversized crankshaft bearings with greater capacity mean longer bearing life.
- Wet-end is easily serviced without entering crankcase, requiring less time and effort.
- Preset packings mean no packing gland adjustment is necessary, reducing maintenance costs.
NOTE: Brackets not included
Assembled in the USA
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