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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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  1. General Pump

    T 63 Triplex Plunger 4.3HP Solid Shaft

    TX1512S17

    $823.75
    TX 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 ...
  2. General Pump

    TT 51 Triplex Plunger 3.8hp

    TT2028EBF

    $715.36
    TT 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...
  3. AMT Pumps

    2" Gas Powered Diaphragm Pump

    69-G633

    23% Off Special Price $2,045.31 Regular Price $2,656.25

    Mud pump. Powered by 4 HP Honda GX 120 Engine. AMT 2" Diaphragm pumps features 2-stage, 44 to 1 gear reduction with a large diameter output gear and heavy duty ball bearing construction. Often referred to as Mud pumps, mudhog or Sludge pumps, diap...

    Honda GX120 Learn More
  4. Tsurumi

    Diaphragm Trash pump

    TD4-200

    $2,275.00
    Diaphragm mud trash pumps. Honda powered diaphragm trash pumps are designed to be reliable, easy to start, easy to prime, easy to maintain and are built to last. QUALITY 4-STROKE Honda GX ENGINES with OHV, and a transistorized pointless ignition ...
    Honda 4HP GX120 Learn More
  5. Tsurumi

    Diaphragm Trash pump

    TD4-300

    $2,175.00
    Diaphragm mud trash pumps. Capable of continuous dry operation for seepage dewatering. Handles sand, mud, and sludge.
    • Heavy-duty Honda gasoline engine with oil sensor delivers high power from a compact, reliable design.
    • Two-ply neoprene diap...
    Honda 4 HP GX120 Learn More
  6. General Pump

    T 63 Triplex Plunger 4HP Hollow Shaft

    TX1505G6

    $875.44
    TX Series 63, Triplex Plunger Pump.
    • Flanged for direct couple to gasoline engines (SAE J609)
    • Set screw for key way
    • Oversized bearings and dual sight glasses
    • Large, light weight connecting rods
    • Longer life low and high pressure seals
    • Forged brass...
  7. General Pump

    T 63 Triplex Plunger 4.3HP Solid Shaft

    TX1812S17

    $818.74
    TX 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 ...
  8. General Pump

    TT 51 Triplex Plunger 3.8hp

    TT9061EBFU

    $827.08
    TT Series 51, Triplex plunger pump, hollow shaft, flanged for direct couple to electric motors, with built-in unloader.
    • Forged brass manifold with exclusive lifetime warranty
    • Die cast, anodized aluminum, oil-bath crankcase
    • Solid ceramic plungers...
  9. General Pump

    TT 51 Triplex Plunger 4.3hp

    TT9071GBF

    $720.36
    TT Series 51, Triplex plunger pump, hollow shaft, SAE J609A Flanged for direct couple to gasoline engines.
    • Forged brass manifold with exclusive lifetime warranty
    • Die cast, anodized aluminum, oil-bath crankcase
    • Solid ceramic plungers with continu...
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