Cat Pumps 25 Frame Plunger Pump - 2531
Material: Stainless Steel
Flow: 25 gpm / 95 lpm
Pressure: 100 – 1200 psi / 6.9 – 83 bar
Speed: 1025 rpm
Inlet Pressure Range: Flooded to 70 psi / Flooded to 4.8 bar
Max. medium temp.: 160°F / 71°C
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Product description
The Cat Pump 2531, Your All-round Stainless Steel Pump
The Cat Pump 2531 is a versatile workhorse that is used in various sectors, including industry, shipyards and offshore applications. This pump stands out thanks to its high-quality stainless steel construction, making it resistant to corrosion and the rigors of saltwater. It is the ideal choice for demanding environments where reliability is paramount.
Cat Pump 2531 Specifications
- Stainless Steel Construction: The Cat Pump 2531 is constructed from durable stainless steel. This choice provides excellent corrosion resistance and ensures that the pump can withstand aggressive conditions, such as those found in the offshore industry.
- High Flow Capacity: With an impressive flow rate of 95 liters per minute, the Cat Pump 2531 is capable of handling large volumes of fluid. This makes it suitable for tasks where a constant and powerful supply is required.
- Variable Pressure Range: This pump can operate within a pressure range of 6.9 to 83 bar, making it versatile enough to meet various demands. Whether it's cleaning industrial equipment or processing salt water, this pump can get the job done.
- Efficient Operation: With a speed of 1025 revolutions per minute, the Cat Pump 2531 ensures efficient operation and reliable performance. This translates into lower operating costs and reduced downtime.
- Temperature resistant: This pump can handle liquids with a maximum temperature of 71°C, making it suitable for a range of applications requiring different temperatures.
Technical information
This is a Cat Pumps triplex plunger pump with a brass pumphead with stainless steel valves and solid ceramic plungers. This pump is standard equipped with NBR seals and O-rings and is available in the variants below. The pump can be fitted with alternative seals, depending on the chemical composition of the medium to be pumped or the operating temperature.
| 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 Datasheet - Models 2530, 2530E, 2531, 2531C, 2537 - Pijttersen
Cat Pumps Service Manual - 25PFR 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 25 Frame Plunger Pump - 2531
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Material: Stainless Steel
Flow: 25 gpm / 95 lpm
Pressure: 100 – 1200 psi / 6.9 – 83 bar
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