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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All-Flo Pumps
Nylon Air Operated Double Diaphragm Pump
A025-SPK-TTKV-S70
$584.79Nylon Air AODD Pump 1/4". Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. Replaces RDD-025 Models available in PP, PVDF, Nylon, Conductive Nylon, ...1/4" Learn More -
General Pump
T 63 Triplex Plunger 4.3HP Solid Shaft
TX1512S17
$568.10TX Series 63, Triplex Plunger Pump. Solid Shaft.- Flex coupling and bell housing available for direct drive
- Oversized bearings for long life
- New generation seal system for longer life
- Large, lightweight connecting rods
- Forged brass manifold with ...
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General Pump
T 63 Triplex Plunger 5.3 Solid Shaft
TX1812S17-5.3HP
$458.85TX Series 63, Triplex Plunger Pump. Solid Shaft.- Flex coupling and bell housing available for direct drive
- Oversized bearings for long life
- New generation seal system for longer life
- Large, lightweight connecting rods
- Forged brass manifold with ...
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General Pump
TP 51 Triplex Plunger 6.7hp
TP2526J34
$508.30TP Series 51, Triplex plunger pump, hollow shaft, flanged for direct couple to Gasoline Engines. New, over-sized connecting rods for ultimate crankcase performance. Forged brass manifold with an exclusive lifetime warranty. Ideal for all genera... -
General Pump
TP 51 Triplex Plunger 8.5hp
TP2533J34
$508.30TP Series 51, Triplex plunger pump, hollow shaft, flanged for direct couple to Gasoline Engines. New, over-sized connecting rods for ultimate crankcase performance. Forged brass manifold with an exclusive lifetime warranty. Ideal for all genera... -
General Pump
TT 51 Triplex Plunger 2.2hp
TT901
$462.30TT Series 51, Triplex plunger pump with solid shaft - standard with 24 mm solid shaft for pulley mount or direct drive with flex coupler and bell housing. Ideal for all general cleaning applications.- Forged brass manifold with exclusive lifetime...
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General Pump
TT 51 Triplex Plunger 2.9hp
TT9071EBF
$496.80TT Series 51, Triplex Plunger Pumps. Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-56C).- Forged brass manifold with exclusive lifetime warranty
- Die cast, anodized aluminum, oil-bath crankcase
- Solid ceramic plungers with contin...
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General Pump
TT 51 Triplex Plunger 3.5hp
TT941
$470.35TT Series 51, Triplex plunger pump with solid shaft - standard with 24 mm solid shaft for pulley mount or direct drive with flex coupler and bell housing. Ideal for all general cleaning applications.- Forged brass manifold with exclusive lifetime...
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General Pump
TT 51 Triplex Plunger 3.8hp
TT2028EBF
$493.35TT Series 51, Triplex Plunger Pumps. Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-56C).- Forged brass manifold with exclusive lifetime warranty
- Die cast, anodized aluminum, oil-bath crankcase
- Solid ceramic plungers with contin...
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General Pump
TT 51 Triplex Plunger 4.8hp
TT2035EBF
$493.35TT Series 51, Triplex Plunger Pumps. Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-56C).- Forged brass manifold with exclusive lifetime warranty
- Die cast, anodized aluminum, oil-bath crankcase
- Solid ceramic plungers with contin...