Plunger Pumps
SOLID SHAFT, BRASS MANIFOLD PUMP MODEL
MAXIMUM FLOW
MAXIMUM PRESSURE
RPM SHAFT
GPM 16.0 19.3 20.0 20.0 20.0 25.0 25.0 30.0 30.0 25.0 36.0 40.0 40.0 45.0 50.0 50.0 50.0 60.0 65.0
LPM 60.5 73.0 76.0 76.0 76.0 95.0 95.0 113.6 113.6
PSI
BAR 207
2560
3000 1200 2000 2500 4000 1200 2000 2500 3000 3000 1200 2000 3000 1000 1500 2000 3000 1200 2000 1200
1510 30 mm 1180 30 mm 1450 30 mm 1450 30 mm 1160 35 mm 1025 30 mm
1540E
83
2510 2565 3560 2530 3520 3570
138 172 276
83
138 172 207 207
870
35 mm
Model 1570
1080 35 mm 1080 35 mm 1450 35 mm
3570S*
3560 3535
95.0
136.2 152.0 152.0 171.0 189.3 189.3 189.3 228.0 246.0 285.0
83
800 888 625 765 850 653 653 520 850 650
35 mm 35 mm 45 mm 35 mm 35 mm 45 mm 45 mm 45 mm 45 mm
3535HS*
138 207
6835 3545
69
3545HS*
103 138 207
67070 67070*
6760
83
67070*
138
6775 45 mm *Intermittent duty cycle is defined as operating pump at maximum rated flow and pressure for no more than 50% of time in any given hour. 75.0 83
Model 660
Selecting a Drive
A variety of different drive options are offered by Cat Pumps. Most systems are belt-driven by a pulley or clutch, but there are also direct-drive options such as direct coupled, gearbox or hollow shaft direct drive. Commonly Used Formulas Desired rpm Desired gpm Motor Pulley* Pump Pulley* Pump rpm Motor/Engine rpm = = x x Rated rpm Rated gpm
*Pitch Diameter
Model 1540E
Selecting a Power Source Positive displacement pumps can use a variety of different power sources, including electric motors, gas or diesel engines, hydraulic and pneumatic motors. Note: system power sources must be sized with adequate horsepower to handle the maximum system flow and pressure required. Commonly Used Formulas
Electric Motor Horsepower (HP)*
gpm x psi 1460
Hydraulic Torque (ft. lbs.) Required
gpm x psi rpm
=
= 3.6 x
Model 3535
*Standard 85% Overall Efficiency
10
Pumps & Accessories Catalog 2024
For more information, contact us at (763)780-5440 | info@catpumps.com | www.catpumps.com
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