Cat Pumps 7 Frame Plunger Pump 530
Material: Brass
Flow: 5.0 gpm / 19 lpm
Pressure: 100 – 2500 psi / 6.9 – 172 bar
Speed: 1100 rpm
Inlet Pressure Range: Flooded to 60 psi / Flooded to 4.1 bar
Max. medium temp.: 160°F / 71°C
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Product description
Cat Pumps 530 Plunger Pump
The Cat Pumps 530 is a compact and reliable high-pressure plunger pump, specifically designed for industrial applications where performance and durability are essential. With its robust construction and high-quality materials, this pump delivers a consistent fluid flow with minimal pulsation. The 530 is ideally suited for a wide range of applications, including cleaning systems, process installations, and other high-pressure operations.
Specifications Cat Pumps 530
Flow: 19 l/min (5.0 gpm)
Working Pressure: 100 – 2500 psi (6.9 – 172 bar)
Pump Speed: 1100 rpm (minimum 100 rpm)
Bore / Stroke: 18 mm / 24 mm
Inlet Pressure Range: Flooded to 4.1 bar
Max. Liquid Temperature (NBR): 71°C (160°F)
Crankcase Capacity: 0.75 liter (25 oz)
Connections: Inlet (2x) ½” NPT(F), Discharge (2x) ⅜” NPT(F)
Shaft Diameter: 24 mm (0.945”)
Weight: 11.5 kg (25.5 lbs)
Dimensions (L x W x H): 348 x 244 x 151 mm
Key Features Cat Pumps 530
Triplex plunger design for high efficiency and low pulsation.
High-quality seals: Model 530 is equipped with high-pressure seals, fully lubricated and cooled by the pumped liquid.
Pre-set low-pressure seals provide added protection against external leaks with no adjustment required.
Polished, concentric plungers deliver uniform wear and extend seal life.
Compact and service-friendly design, ideal for dependable operation in diverse applications.
Seal Options
The Cat Pumps 530 comes standard with NBR seals, suitable for most applications. For higher temperature or chemical compatibility, alternative seal materials are available:
| TYPE | DESCRIPTION | MAX. TEMP. | SUFFIX |
| NBR | Medium Nitrile (Buna-N) seals and O-Rings | 160°F (71°C) | - |
| FPM | Fluorocarbon (Viton®) seals and O-Rings, chemical resistance | 180°F (82°C) | .0110 |
| EPDM | Ethylene Propylene Diene Monomer seals and O-Rings | 160°F (71°C) | .0220 |
| HT | High-temperature high pressure seals | 180°F (88°C) | .3000 |
| STHT | High-temperature high pressure seals, special Teflon® low-pressure seals, NBR O-Rings | 190°F (88°C) | .3400 |
| High-temperature high pressure seals, special Teflon® low-pressure seals, FPM O-Rings | 190°F (88°C) | .3410 | |
| PTFE | Pure Polytetrafluoroethylene (Teflon®) Seals and Buna-N O-Rings | 190°F (88°C) | .0700 |
| Pure Polytetrafluoroethylene (Teflon®) Seals and FPM O-Rings | 200°F (93°C) | .0710 | |
| IPFE | I-Perfluoroelastomer (Teflon®) Seals and Isolast O-Rings | 200°F (93°C) | .0770 |
| ST4 | Special blend PTFE high and low pressure seals, Buna-N O-Rings | 190°F (88°C) | .4400 |
| Special blend PTFE high and low pressure seals, FPM O-Rings | 200°F (93°C) | .4410 | |
| NBRS | Buna-N silicone free seals and O-Rings | 160°F (71°C) | .6000 |
| FPM = Fluorocarbon, EPDM = Ethylene Propylene Diene Monomer, HT = High Temp (EPDM Alternative), STHT = Special PTFE High Temperature, PTFE = Pure Polytetrafluoroethylene, IPFE = I-Perfluoroelastomer, ST4 = Special PTFE 4, NBR = Medium Nitrile (Buna-N), NBRS = Buna-N silicon free seals and O-Rings. Viton® and Teflon® are registered trademarks of DuPont Dow Elastomers. | |||
Documents Cat Pumps 530
Cat Pumps Datasheet - Models 530, 550 - Pijttersen
Cat Pumps Service Manual - 5,7,15PFR Plunger Pumps - Pijttersen
Cat Pumps - Installation guidelines for high-pressure pumps - Pijttersen
Cat Pumps - Warnings and cautions for HP-pumps - Pijttersen
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Specifications
Cat Pumps 7 Frame Plunger Pump 530
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Material: Brass
Flow: 5.0 gpm / 19 lpm
Pressure: 100 – 2500 psi / 6.9 – 172 bar
Speed: 1100 rpm
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