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CAT Pumps 2SFQ25SEEL Quiet Series Triplex Plunger Pump – 2.5 GPM, 1200 PSI, 316 Stainless Steel
Quiet-series CAT 2SFQ25SEEL stainless-steel plunger pump. 2.5 GPM, 1200 PSI, -6 dBA noise reduction, direct-drive 56C mount—durable, efficient, corrosion-resistant.

The CAT 2SFQ25SEEL is a high-performance Quiet Series triplex plunger pump, engineered for applications where durability and reduced noise output are critical. Built with 316 stainless steel manifolds and valve assemblies, solid ceramic plungers, and NBR (Buna-N) seals, this pump delivers exceptional corrosion resistance and long service life—ideal for marine, industrial, and commercial environments.
As part of CAT Pumps’ “Q” (Quiet) Series, the 2SFQ25SEEL reduces operational noise by approximately -6 dBA, making it a top choice for OEMs and system designers needing quieter washdown, filtration, misting, and high-pressure water systems.
This hollow-shaft model is designed for direct mounting to a 56C-face electric motor, providing a compact, efficient installation footprint.
Key Features
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Quiet Series pump with –6 dBA noise reduction
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Triplex plunger design for smooth, consistent flow
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316 stainless steel manifolds & valves for superior corrosion resistance
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Hollow-shaft for direct 56C motor mounting
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Solid ceramic plungers for long-term durability
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NBR seals & O-rings for reliable chemical compatibility
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Compact, efficient design ideal for OEM and marine systems
| CAT Pumps 2SFQ25SEEL – Technical Specifications | |
|---|---|
| Model | 2SFQ25SEEL |
| Pump Type | Triplex (3-plunger) positive displacement reciprocating pump |
| Quiet Series | Yes – Noise reduced by approximately -6 dBA |
| Max Flow | 2.5 GPM (9.5 LPM) |
| Max Pressure | 1200 PSI |
| RPM | 1725 |
| Inlet Port Size | 3/8" NPT(F) |
| Discharge Port Size | 3/8" NPT(F) |
| Drive Type | Direct-drive, bolts to 56C-face motor |
| Manifold Material | 316 Stainless Steel |
| Valve Material | 316 Stainless Steel |
| Plungers | Solid Ceramic |
| Seals & O-Rings | NBR (Buna-N) |
| Mounting | Hollow shaft for compact direct motor coupling |