Description

The Cat Pumps Model 310 is arguably the most famous and widely used “5-Frame” triplex plunger pump in the world. Known for its “nine lives” durability, it is the industry standard for self-service car washes, high-pressure misting, and industrial cleaning systems.

Technical Specifications

• Flow Rate: 4.0 GPM (15 LPM)

• Pressure Range: 100 to 2200 PSI (7 to 152 bar)

• Speed: 950 RPM

• Shaft Diameter: 20 mm (Solid Shaft)

• Inlet Port: 1/2″ NPT(F)

• Discharge Port: 3/8″ NPT(F)

• Max Liquid Temp: 160°F (71°C)

Key Features

• Triplex Design: Provides a smooth, low-pulsation flow compared to duplex or single-cylinder pumps.

• Forged Brass Manifold: Engineered for high strength and excellent corrosion resistance.

• Solid Ceramic Plungers: These provide a diamond-hard surface that is nearly immune to wear, protecting the seals from friction damage.

• Overbuilt Drive-End: Features oversized bearings and a massive oil crankcase, allowing it to run continuously for thousands of hours between services.

Common Service Kits

To keep the Model 310 running at factory specs, these are the essential maintenance parts: