Cat Pumps 340B B-Series Triplex Plunger Pump | Summary
Built for demanding applications like car wash systems and industrial cleaning, the Cat Pumps 340B is a reliable 5-frame triplex plunger pump engineered to deliver 4 GPM at 1800 PSI. Operating at 1725 RPM, it supports belt drive, clutch, or flexible coupling setups for versatile installation options.
The 340B’s standout feature is its upgraded “B” Series chrome-plated brass manifold with superior sealing and corrosion resistance—backed by a lifetime warranty against washout and freeze damage. With solid ceramic plungers, stainless steel valves, and durable NBR seals, this pump is designed for performance and longevity in harsh chemical environments.
Cat 340B 5-Frame Industrial Pressure Washer Pump | Features
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“B” Series Manifold: Chrome-plated brass with improved chemical resistance and anti-washout design.
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Triplex Design: Smooth, continuous flow from three solid ceramic plungers.
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Stainless Steel Valve Assemblies: Provide long-term corrosion resistance.
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1725 RPM Speed: Enables direct or belt drive for greater flexibility in setup.
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Durable Sealing: Standard NBR (Buna-N) seals and O-rings for reliable performance.
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Trusted Build Quality: Cat Pumps’ field-tested design for commercial and industrial systems.
| Specification | Details |
| Brand | Cat Pumps |
| Part Number | 340B |
| Max Flow | 4.0 GPM |
| Max Pressure | 1800 PSI |
| RPM | 1725 |
| Drive Options | Belt, Clutch, Flexible Coupling, Bellhousing |
| Inlet Port | 1/2" FNPT |
| Discharge Port | 3/8" FNPT |
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