General
1 model in this family. Representative models: General Cataloque CAT pumps.

ملف علامة دولية
Cat Pumps is a high-pressure positive-displacement pump manufacturer with more than 50 years of triplex pump experience.In water treatment and cleaning systems it is relevant where long-life high-pressure plunger pumps, seal design, chemical compatibility, and dependable continuous duty matter.
CAT Pumps's position in pumps and pumping equipment is defined by product families such as Plunger Pumps and Piston Pumps.The portfolio is best understood inside raw water intake, RO/NF feed, transfer, boosting, chemical dosing, wastewater lift, and desalination hydraulics, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models.
Representative series on this page include CAT pumps, 3CP1221-3CP1231-3CP1241 and 5CP6221-5CP6241CS-5CP6251.Selection should focus on flow, head, efficiency, NPSH margin, wetted materials, seals, and drive arrangement.These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.
29
Indexed models
3
Product families
0
Subgroups
خطوط المنتجات ودليل الاختيار
يجيب هذا القسم عن سؤالين: ما خطوط المنتجات الرئيسية لدى CAT، وما المعايير التي يجب مقارنتها قبل اختيار الطراز المحدد.
تشمل خطوط المنتجات الرئيسية في هذه الصفحة General, Plunger Pumps, and Piston Pumps. ابدأ بهدف المعالجة وشكل المعدة وظروف التشغيل، ثم استخدم فهرس الطرازات أدناه لمقارنة المواصفات التفصيلية.
بعد اختيار خط المنتج، قارن flow and head, materials, efficiency, and duty cycle. كما يجب في مشاريع الاستبدال التحقق من شروط التركيب والواجهات والتوافق مع النظام القائم، وفي المشاريع الجديدة مراعاة التشغيل والصيانة وتوفر قطع الغيار أو المواد الاستهلاكية.
3 product familys on this page.
General
1 model in this family. Representative models: General Cataloque CAT pumps.
Plunger Pumps
23 models in this family. Representative models: 2SF05SEEL-2SF10SEEL-2SF15SEEL-2SF22SEEL-2SF25SEEL-2SF29SEEL-2SF35SEEL-2SF42SEEL, 3CP1221-3CP1231-3CP1241, 5CP6221-5CP6241CS-5CP6251.
Piston Pumps
5 models in this family. Representative models: 280, 333, 621.
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General Cataloque CAT pumps
General
Flow: 0.13 to 240 gpm (0.49 to 908 lpm) · Flow range (at 1750 RPM): 0.13 to 0.5 gpm · Power: 1/3 hp, 1/2 hp, or 3/4 hp electric motors (Permanent Magnet or Induction)
CAT Pumps offers triplex reciprocating and centrifugal pumps for diverse industrial applications. Available materials include brass, stainless steel.
2SF05SEEL-2SF10SEEL-2SF15SEEL-2SF22SEEL-2SF25SEEL-2SF29SEEL-2SF35SEEL-2SF42SEEL
Plunger Pumps
Horsepower: 0.5 to 2.5 HP · Required Horsepower Calculation: gpm x psi / 1460 · Discharge Pressure Range: 100-1200 psi (7-85 bar)
These are stainless steel direct-drive plunger pumps engineered for high duty cycles in SWRO applications.
3CP1221-3CP1231-3CP1241
Plunger Pumps
Pressure Range: 100 to 2000 PSI (7 to 140 BAR) for all models · Inlet Pressure Range: Flooded to 70 PSI (Flooded to 4.9 BAR) · Maximum Liquid Temperature: 160°F (71°C)
This is a CAT Pumps 3CP Series triplex plunger pump designed for high-pressure applications. It features a 316 stainless steel construction.
5CP6221-5CP6241CS-5CP6251
Plunger Pumps
Electric Horsepower Requirements: See the official PDF for exact tabulated values across various pressures · Maximum Liquid Temperature: 160 °F (71 °C) · Inlet Ports (2): 1/2" NPTF
These CAT Pumps 5CP Stainless Steel Plunger Pumps feature a triplex plunger design and are constructed with 316 stainless steel valves, seats, and manifold.
7CP6111-7CP6111C-7CP6171-7CP6171C-7CP6111G1
Plunger Pumps
Inlet Pressure Range: Flooded to 70 psi (Flooded to 4.9 bar) · Maximum Liquid Temperature: 140°F (60°C) · Pressure Range (all models): 100 to 2000 psi (7 to 140 bar)
This CAT Pumps 7CP series is a stainless steel plunger pump designed for continuous duty applications.
231-241-271-237-247-277
Plunger Pumps
Materials in Contact with Water: All parts in contact with water are made of AISI 304 stainless steel. This includes impellers, motor casing, and suction/discharge connections · Operating Range: 4 to 29 m³/h with discharge head up to 249 m · Liquid Temperature Range: -20°C to +90°C
These are vertical-axis, in-line multi-stage centrifugal pumps designed for water boosting in domestic or industrial installations.
311-341-351-311C-317-347-357
Plunger Pumps
Crankcase Capacity: 18 oz. (0.55 l) · Maximum Liquid Temperature: 160°F (71°C) · Inlet Ports (2): 1/2” NPTF
CAT Pumps 5 Frame Triplex Plunger Pumps are designed for high-pressure applications with their durable construction and wet seal design.
781-781K
Plunger Pumps
Flow: 4.5 gpm (17 lpm) · Pressure Range: 100 to 5000 psi (7 to 345 bar) · Inlet Pressure Range: Flooded to 40 psi (Flooded to 2.8 bar)
This 8-frame block-style stainless steel plunger pump is available in standard (781) or flushed (781K) models for high-pressure applications.
1050-1051-1051C-1051D-1057
Plunger Pumps
Crankcase Capacity: 42 oz. (1.26 l) · Inlet Ports (2): 3/4” NPTF · Flushing Ports (2) (Model 1051C): 1/8” NPTF
These CAT Pumps 15 Frame plunger pumps are available in standard, stainless steel, stainless steel flushed, duplex stainless steel.
1530-1531
Plunger Pumps
Flow: 15.6 GPM (59 L/M) · Pressure Range: 100 to 1500 PSI (7 to 105 BAR) · Inlet Pressure Range: Flooded to 70 PSI (Flooded to 4.9 BAR)
The CAT Pumps 15 Frame Plunger Pump series includes models 1530 with a brass manifold and 1531 with a stainless steel manifold.
1540E-1540EC-1541
Plunger Pumps
Flow: 18.0 gpm (68 lpm) · Pressure Range: 100 to 1200 psi (7 to 85 bar) · Inlet Pressure Range: Flooded to 70 psi (Flooded to 4.9 bar)
The CAT Pumps 1540E-1540EC-1541 are triplex plunger pumps designed for high-efficiency operation and low pulsation. Available in standard brass (1540E).
1861-1861K
Plunger Pumps
Flow (Model 1861): 10.0 gpm (38 l/m) · Pressure Range: 100 to 3000 psi (7 to 210 bar) · Inlet Pressure Range: +10 to 0 psi (0.70 to 4 bar)
The CAT Pumps 18 Frame is a block-style stainless steel triplex plunger pump available in standard (1861) and flushed (1861K) models. Key features include dual V-Packings.
2510-2511
Plunger Pumps
Flow: 20 gpm (76 lpm) · Maximum Liquid Temperature: 140°F (60°C) · Inlet Pressure Range: Flooded to 70 psi (Flooded to 4.9 bar)
The CAT Pumps 2510 and 2511 are triplex plunger pumps designed for high-efficiency fluid handling. Model 2510 features a brass manifold.
2530-2530E-2531-2537
Plunger Pumps
Inlet Pressure Range: Flooded to 70 PSI (Flooded to 4.9 BAR) · Maximum Liquid Temperature: 160°F (71°C) · Crankcase Capacity: 84 oz. (2.5 L)
These are CAT Pumps 25 Frame Triplex Plunger Pumps available with brass, stainless steel, or nickel aluminum bronze manifolds. They offer up to 25 GPM and 1200 PSI.
2831-2831K
Plunger Pumps
Maximum Liquid Temperature: 160 °F (71 °C) · Inlet Pressure Range: Flooded to 70 PSI (Flooded to 4.9 BAR) · Crankcase Capacity: 84 oz. (2.5 L)
The CAT Pumps 2831 and 2831K are block-style stainless steel plunger pumps designed for various fluid transfer applications.
3535-3535C-3531-3531C-3537
Plunger Pumps
Flow: 36 gpm (136 l/m) · Pressure Range: 100 to 1200 psi (7 to 85 bar) · Inlet Pressure Range: Flooded to 70 psi (Flooded to 0.9 bar)
These CAT Pumps 35 Frame triplex plunger pumps are available in models with brass, stainless steel, or nickel aluminum bronze wetted ends.
3545-3541-3541C-3537C
Plunger Pumps
Flow: 45 GPM (170 L/M) · Pressure Range: 100 to 1000 PSI (7 to 70 BAR) · Inlet Pressure Range: Flooded to 70 PSI (Flooded to 4.9 BAR)
These CAT Pumps 35 Series Triplex Plunger Pumps offer superior design and quality materials for smooth liquid flow and extended seal life.
3801-3811-3801K-3811K
Plunger Pumps
Inlet Pressure: Flooded to 70 psi (4.9 bar) · Maximum Liquid Temperature: 160°F (71°C) · Crankcase Capacity: 4.2 Qts. (4 l)
These are CAT Pumps 38 Frame block-style stainless steel plunger pumps, available in standard and flushed K models.
3821-3831-3832K-3831K
Plunger Pumps
Maximum Liquid Temperature: 160°F (71°C) · Inlet Pressure: Flooded to 70 PSI (Flooded to 4.9 BAR) · Crankcase Capacity: 4.2 Qts. (4 L)
These CAT Pumps 38 Frame stainless steel plunger pumps are designed for high-pressure applications up to 2000 PSI. Available in standard and K models.
6760-6761-6762-6767-6767C
Plunger Pumps
Flow: 60 GPM (227 L/M) · Pressure Range: 100 to 1200 PSI (7 to 85 BAR) · Inlet Pressure Range: Flooded to 50 PSI (Flooded to 3.5 BAR)
These CAT Pumps are 60 Frame Triplex Plunger Pumps available in multiple material configurations, including brass, stainless steel, and nickel aluminum bronze.
6775-6771-6777
Plunger Pumps
Flow: 75 gpm (284 l/m) · Pressure Range: 100 to 1200 psi (7 to 85 bar) · Inlet Pressure Range: Flooded to 50 psi (Flooded to 3.5 bar)
This is a CAT Pumps 60 Frame Triplex Plunger Pump series, designed for high efficiency and low pulsation. Available in Brass, Stainless Steel, or Nickel Aluminum Bronze.
6801-6811-6801K-6811K
Plunger Pumps
Flow: 15.0 GPM (57 L/M) · Inlet Pressure Range: Flooded to 50 PSI (Flooded to 3.5 BAR) · Maximum Liquid Temperature: 140°F (60°C)
These CAT Pumps 68 Frame block-style stainless steel plunger pumps, available in standard and flushed models, are designed for high-pressure applications.
6831-6831K
Plunger Pumps
Flow: 40 gpm (151 l/m) · Pressure Range: 100 to 2300 psi (7 to 160 bar) · Inlet Pressure Range: Flooded to 50 psi (Flooded to 3.5 bar)
The CAT Pumps 6831 and 6831K are stainless steel triplex plunger pumps designed for high efficiency with ceramic plungers and 316 SS manifolds.
6841-6861-6841K-6861K
Plunger Pumps
Max. Liquid Temperature: 140°F (60°C) · Inlet Pressure Range: Flooded to 50 PSI (Flooded to 3.5 BAR) · Crankcase Capacity: 10 Qts. (9.46 L)
This is a CAT Pumps 68 Frame triplex plunger pump constructed with 316 stainless steel wetted parts for strength and corrosion resistance.
280
Piston Pumps
Flow: 0.13 to 240 gpm (0.49 to 908 lpm) · Flow range: 0.68 to 30 gpm (2.6 to 113.5 lpm) · Pressure: 100 to 10,000 psi (6.9 to 689 bar)
CAT Pumps offers triplex reciprocating high-pressure pumps with various manifold materials like brass, nickel aluminum bronze, and stainless steels.
333
Piston Pumps
Maximum Liquid Temperature: 160°F (71°C) · Inlet Pressure Range: –8.5 to +40 psi (–0.6 to +2.8 bar) · Liquid pH Range: 5-9 pH (for 304S cylinders and sleeves)
The 333 is a standard brass 4-frame triplex piston pump designed for smooth, low-pulsation flow with strong suction. It features hard chrome-plated 304S cylinders.
621
Piston Pumps
Crankcase Capacity: 40 oz. (1.2 l) · Maximum Liquid Temperature: 160°F (71°C) · Inlet Pressure Range: –8.5 to +40 psi (–0.6 to +2.8 bar)
The CAT Pumps 621 is a stainless steel 10 Frame Triplex Piston Pump designed for general use. It features a durable, die-cast aluminum crankcase, a chrome-moly crankshaft.
1520
Piston Pumps
Crankcase Capacity: 84 oz. (2.5 L) · Inlet Ports (1): 1-1/4" NPTF · Discharge Ports (3): 1" NPTF
This is a 25 Frame Triplex Piston Pump designed for smooth operation with a lubricated crankcase and mechanically actuated inlet valves.
Brand Products & Technical Documents
Each card keeps the curated model introduction and combines the readable datasheet page, OEM PDF, and official source. Product understanding and document access now share one card set.
1 product profile
Product profile
CAT Pumps offers triplex reciprocating and centrifugal pumps for diverse industrial applications. Available materials include brass, stainless steel.
23 product profiles
Product profile
These are stainless steel direct-drive plunger pumps engineered for high duty cycles in SWRO applications.
Product profile
This is a CAT Pumps 3CP Series triplex plunger pump designed for high-pressure applications. It features a 316 stainless steel construction.
Product profile
These CAT Pumps 5CP Stainless Steel Plunger Pumps feature a triplex plunger design and are constructed with 316 stainless steel valves, seats, and manifold.
Product profile
This CAT Pumps 7CP series is a stainless steel plunger pump designed for continuous duty applications.
Product profile
These are vertical-axis, in-line multi-stage centrifugal pumps designed for water boosting in domestic or industrial installations.
Product profile
CAT Pumps 5 Frame Triplex Plunger Pumps are designed for high-pressure applications with their durable construction and wet seal design.
Product profile
This 8-frame block-style stainless steel plunger pump is available in standard (781) or flushed (781K) models for high-pressure applications.
Product profile
These CAT Pumps 15 Frame plunger pumps are available in standard, stainless steel, stainless steel flushed, duplex stainless steel.
Product profile
The CAT Pumps 15 Frame Plunger Pump series includes models 1530 with a brass manifold and 1531 with a stainless steel manifold.
Product profile
The CAT Pumps 1540E-1540EC-1541 are triplex plunger pumps designed for high-efficiency operation and low pulsation. Available in standard brass (1540E).
Product profile
The CAT Pumps 18 Frame is a block-style stainless steel triplex plunger pump available in standard (1861) and flushed (1861K) models. Key features include dual V-Packings.
Product profile
The CAT Pumps 2510 and 2511 are triplex plunger pumps designed for high-efficiency fluid handling. Model 2510 features a brass manifold.
Product profile
These are CAT Pumps 25 Frame Triplex Plunger Pumps available with brass, stainless steel, or nickel aluminum bronze manifolds. They offer up to 25 GPM and 1200 PSI.
Product profile
The CAT Pumps 2831 and 2831K are block-style stainless steel plunger pumps designed for various fluid transfer applications.
Product profile
These CAT Pumps 35 Frame triplex plunger pumps are available in models with brass, stainless steel, or nickel aluminum bronze wetted ends.
Product profile
These CAT Pumps 35 Series Triplex Plunger Pumps offer superior design and quality materials for smooth liquid flow and extended seal life.
Product profile
These are CAT Pumps 38 Frame block-style stainless steel plunger pumps, available in standard and flushed K models.
Product profile
These CAT Pumps 38 Frame stainless steel plunger pumps are designed for high-pressure applications up to 2000 PSI. Available in standard and K models.
Product profile
These CAT Pumps are 60 Frame Triplex Plunger Pumps available in multiple material configurations, including brass, stainless steel, and nickel aluminum bronze.
Product profile
This is a CAT Pumps 60 Frame Triplex Plunger Pump series, designed for high efficiency and low pulsation. Available in Brass, Stainless Steel, or Nickel Aluminum Bronze.
Product profile
These CAT Pumps 68 Frame block-style stainless steel plunger pumps, available in standard and flushed models, are designed for high-pressure applications.
Product profile
The CAT Pumps 6831 and 6831K are stainless steel triplex plunger pumps designed for high efficiency with ceramic plungers and 316 SS manifolds.
Product profile
This is a CAT Pumps 68 Frame triplex plunger pump constructed with 316 stainless steel wetted parts for strength and corrosion resistance.
5 product profiles
Product profile
CAT Pumps offers triplex reciprocating high-pressure pumps with various manifold materials like brass, nickel aluminum bronze, and stainless steels.
Product profile
The 333 is a standard brass 4-frame triplex piston pump designed for smooth, low-pulsation flow with strong suction. It features hard chrome-plated 304S cylinders.
Product profile
The CAT Pumps 621 is a stainless steel 10 Frame Triplex Piston Pump designed for general use. It features a durable, die-cast aluminum crankcase, a chrome-moly crankshaft.
Product profile
This is a 25 Frame Triplex Piston Pump designed for smooth operation with a lubricated crankcase and mechanically actuated inlet valves.
Product profile
This CAT Pumps 6020 is a 60 frame triplex uniflow piston pump designed for high-pressure applications.