Reciprocating Pumps - Diaphragm, Piston, Plunger
These pumps have a diaphragm, piston or plunger which is
reciprocating back and forth through a fixed stoke length. The
diaphragm pumps use a circular semi-flat membrane that is flexed
from a concave to a convex shape within a sealed chamber. There is
no actual sliding contact of parts in the pumping chamber and
therefore these pumps can handle solids, slurries, fibrous and very
thick liquids quit well. Most diaphragm pumps are air operated, but
electric do exist. Electric models are typically very small with
several individual diaphragms working in series being driven by a
rotating angled cam or a single diaphragm being driven by a
mechanical connection to a solenoid. In this case, they are
typically designed as metering pumps. Piston pumps like the name
implies have a piston, ceramic typically, reciprocating within a
very tight tolerance cylinder. Because of their materials of
construction and mechanical design, they produce extremely high
discharge pressures. By making them with several pistons working
together in a single head a semi-steady flow can be obtained. With
any of these pumps special consideration must be given to the
cyclic pressure or hydraulic pulsation’s which
naturally occur.Typical Positive Displacement Reciprocating pumps
include AODD, single diaphragm, electric diaphragm, metering or
proportioning and piston to name a few.
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General Pump
EZ 44 3plex 12.4 Hollow Shaft
EZ3040GUI
$874.00EZ 44 G Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Gasoline Engines (SAE J609B) - Forged brass manifold with an exclusive lifetime warranty. Flanged for mounting on up to 13 horsepower engines. Pump with Built-in Unloade... -
General Pump
EZ 44 3plex 12.4hp Hollow Shaft
EZ4030G34
$887.00EZ 44 G Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Gasoline Engines (SAE J609B) - Forged brass manifold with an exclusive lifetime warranty. Flanged for mounting on up to 13 horsepower engines. Max. Inlet Vacuum: Flooded... -
General Pump
EZ 44 3plex 14.2hp Hollow Shaft
EZ3045G
$822.25EZ 44 G Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Gasoline Engines (SAE J609B) - Forged brass manifold with an exclusive lifetime warranty. Flanged for mounting on up to 13 horsepower engines.- Solid ceramic plunger des...
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General Pump
EZ 44 3plex 14.4hp Hollow Shaft
EZ4035G34
$887.00EZ 44 G Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Gasoline Engines (SAE J609B) - Forged brass manifold with an exclusive lifetime warranty. Flanged for mounting on up to 13 horsepower engines. Max. Inlet Vacuum: Flooded... -
General Pump
EZ 44 3plex 5.1hp Solid Shaft
EZ2530SUI
$801.00EZ 44 S Triplex Plunger Pump with Solid Shaft - Forged brass manifold with an exclusive lifetime warranty. This pump includes Built-in Unloader and Downstream Injector.- Solid ceramic plunger design
- Flex coupling and bell housing available for di...
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General Pump
EZ 44 3plex 6.2hp Hollow Shaft
EZ2536E
$755.00EZ 44 E Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-184TC) - Forged brass manifold with an exclusive lifetime warranty.- Ideal for all pressure cleaning and washing applications
- Solid ceramic plu...
3.6gpm 6hp 2500psi Learn More -
General Pump
EZ 44 3plex 6.2hp Solid Shaft
EZ2536S
$721.00EZ 44 S Triplex Plunger Pump with Solid Shaft - Forged brass manifold with an exclusive lifetime warranty.- Solid ceramic plunger design
- Flex coupling and bell housing available for direct drive
- Die-cast, anodized aluminum, oil-bath crankcase
- Pre...
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General Pump
EZ 44 3plex 6.3hp Hollow Shaft
EZ2536EUI
$859.00EZ 44 E Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-184TC) - Forged brass manifold with an exclusive lifetime warranty. This pump includes Unloader and Downstream Injector.- Ideal for all pressure cl...
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General Pump
EZ 44 3plex 7.2hp Hollow Shaft
EZ2542E
$755.00EZ 44 E Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-184TC) - Forged brass manifold with an exclusive lifetime warranty.- Ideal for all pressure cleaning and washing applications
- Solid ceramic plu...
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General Pump
EZ 44 3plex 7.2hp Solid Shaft
EZ2542S
$721.00EZ 44 S Triplex Plunger Pump with Solid Shaft - Forged brass manifold with an exclusive lifetime warranty.- Solid ceramic plunger design
- Flex coupling and bell housing available for direct drive
- Die-cast, anodized aluminum, oil-bath crankcase
- Pre...