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Fluid Flow Control - Plunger / Piston Pump

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Plunger / Piston Pump Plunger / Piston Pump

Packed Plunger Pump Pulsation Dampening

Packed plunger pumps / high pressure injection pumps, use intercepter dampers to catch the decompression shock pulsation.

More detailed information:
Pumping Technik: Plunger Pumps - Pressure Pulsation Interception
Pumping Technik: Pneumatic Metering Pumps for Chemicals
Costings Info: Packed Plunger Pumps
Contact / RFQ: Pulsation Dampener Inquiry / What do you need?

Eldex Laboratories, Inc.

Optos Series reciprocating piston pumps can be used wherever precise flow rate control, particularly at high pressures, is required.  Optos pumps are well suited for process control, petrochemical, reactant feed, and a wide range of laboratory applications.

Product(s) / Service(s): Reciprocating Piston Liquid Metering Pumps
Source / Origin of Design: Unknown
Contact Information:
Eldex Laboratories, Inc.
30 Executive Court
Napa, CA  94558-6278
View internet links for Eldex Laboratories, Inc. >>>


Individual piston check valves direct flow from the inlet side of the pump to the outlet port in these high pressure hydraulic pumps. The positive-seating checkball valves provide better wear and high volumetric efficiency, especially at high pressure. These checkball pumps operate at pressures to 20 000 psi (1380 bar).

Product(s) / Service(s): checkball pumps
Source / Origin of Design: unknown
Contact Information:
Dynex/Rivett Inc.
Pewaukee, WI  USA
Ashland, MA USA
Eaton Socon, Cambs. UK
View internet links for DYNEX / RIVETT INC. >>>


The Moog Radial Piston Pump, also known as RKP, has served the industrial market for over two decades and is widely known for its robust and reliable design. Moog demonstrates its commitment to this product line by offering product improvements such as low noise and compact designs, while offering rapid response times and high volumetric efficiencies.

Product(s) / Service(s): Moog Radial Piston Pump, also known as RKP
Source / Origin of Design: unknown
Contact Information:
United States of America Industrial Controls Division
300 Jamison Rd
East Aurora NY 1405214052 United States of America
Phone: +1 716 652 2000
Phone: +1 800 272 6664
Fax: +1 716 687 7910
View internet links for Moog >>>

QED Environmental Systems

IRON HORSE Extended-Duty Piston Pumps are built for durability based on QED’s 20 years of engineering experience in remediation and landfill pumping. IRON HORSE pumps are designed to provide dependable pumping in applications that benefit from the special capabilities of piston pumps, such as slant wells, sites requiring no drive air with the pumped fluids, deeper wells, and drawdown to extremely low levels.

Product(s) / Service(s): Extended-Duty Piston Pumps
Source / Origin of Design: unknown
Contact Information:
6095 Jackson Road
Ann Arbor, MI 48103-9573 USA
View internet links for QED Environmental Systems >>>


Variable flow variable pressure servo control swashplat for fluid power hydraulics (was known as Vickers VSG pumps).

Product(s) / Service(s): piston, plunger, variable pumps
Source / Origin of Design: unknown
Contact Information:
View internet links for Parker >>>

Diener Precision Pumps

Diener Precision Pumps manufacture the highest quality and most accurate precision reciprocating piston pumps in the world. With flow ranges from 0.01ml per stroke up to 5ml per stroke our pumps are designed to give optimum performance over a wide range of applications, including chemical dosing & metering where a controlled volume of fluid needs to be achieved consistently.

Product(s) / Service(s): precision reciprocating piston pumps
Source / Origin of Design: unknown
Contact Information:
Diener Precision Pumps
Stationsstrasse 66
CH 8424 Embrach
View internet links for Diener Precision Pumps >>>

Continental Hydraulics

The variable volume and pressure compensated design simplifies circuit design, and reduces heat buildup and noise.  Four pump control options permit the designer to choose the most efficient means to power his hydraulic equipment.  Choices include the standard pressure compensator control, remote pressure control, load sensing control, and horsepower limiting control. 

Product(s) / Service(s): Variable Displacement, Pressure Compensated Axial Piston Pumps
Source / Origin of Design: Unknown
Contact Information:
automatic email contact form on web site
View internet links for Continental Hydraulics >>>


The Danfoss Group is a leader in development and production of mechanical and electronic products and controls. Our products help to heat and cool homes and offices, refrigerate food and control production lines.

Product(s) / Service(s): Reverse Osmosis Pumps
Source / Origin of Design: unknown
Contact Information:
Danfoss High-Pressure Water Solutions
Division of Danfoss Inc.
P.O. Box 245041
8800 W. Bradley Road
Milwaukee, WI 53224-9541
View internet links for Danfoss >>>

Wright Pump

Wright Pump's TRA10 and TRA20 series circumferential piston pumps are drop-in replacements for Waukesha® U1 and U2 series pumps, respectively. Wright TRA10 series are the traditional workhorse pumps designed for strip-clean (C-O-P) applications.  The TRA20 series are designed for high hygiene applications, using O-ring sealed rotors and rotor retainers, and offer an optional Clean-In-Place design with internal porting to allow vigorous flushing through all internal chambers.

Product(s) / Service(s): Circumferential Piston Pumps
Source / Origin of Design: unknown
Contact Information:
Wright Pump
S84 W18693 Enterprise Drive
Muskego, WI 53150
Phone: (262) 679-8000
Fax: (262) 679-2026
View internet links for Wright Pump >>>

Bertolini Pumps

Development, design and manufacture of piston and diaphragm pumps for the application of plant protection in the agricultural field, as well as high pressure piston pumps for the application in the industrial field.

Product(s) / Service(s): piston and diaphragm pumps
Source / Origin of Design: unknown
Contact Information:Via F.lli cervi, 35/1
Idromeccanica Bertolini Spa
42100 Reggio Emilia (RE) - ITALY
Tel. +39 0522-306641
Fax +39 0522-306648
View internet links for Bertolini Pumps >>>


Graco - Worldwide Leaders in Fluid Handling

Product(s) / Service(s): Air-Operated Piston Transfer Pump
Source / Origin of Design: unknown
Contact Information:
Minneapolis, Minnesota
55413 USA
View internet links for Graco >>>

Hydro-Pac Inc.

Li'l CRITTER™ High-Pressure Pumps were designed to offer big pump reliability and service life in smaller machines. These smaller versions of Hydro-Pac's large pumps are well suited for laboratory and light production applications. Available in 3 and 5 hp, for pressures from 15,000 psi to 100,000 psi.

Product(s) / Service(s): Li'l CRITTER™ High-Pressure Pumps
Source / Origin of Design: Unknown
Contact Information:
Hydro-Pac Inc.
P.O. Box 921
7470 Market Road
Fairview PA 16415 USA
View internet links for Hydro-Pac Inc. >>>

Peroni Pompe

Peroni is well known throughout the world as a leading company for the design and the manufacture of reciprocating pumps and pumping systems, both in the industrial and civil fields.

Product(s) / Service(s): plunger pumps
Source / Origin of Design: unknown
View internet links for Peroni Pompe >>>


A "Plunger pump", IE has static packings.

Product(s) / Service(s): triplex-pumpen, kolbenpumpenfabrik
Source / Origin of Design: unknown
Contact Information:
Speck-Triplex-Pumpen GmbH & Co KG
Walkenweg 41
33609 Bielefeld
View internet links for Speck >>>


High pressure and axial pumps, in Germany.

Product(s) / Service(s): kolbenpumpen
Source / Origin of Design: unknown
Wer liefert was? GmbH
Normannenweg 16-20,
20537 Hamburg
Telefon: +49 (0)40 2 54 40-0
Fax: +49 (0)40 2 54 40-100
View internet links for WLW.de >>>


FMI pioneered the first patented valveless rotating and reciprocating piston metering pump concept and has been providing precise fluid control for over 44 years.

Product(s) / Service(s): metering pump
Source / Origin of Design: Unknown
Contact Information:
Not Available
View internet links for FMI >>>

Wikipedia Plunger / Piston Pump

Its purpose is either to change the volume enclosed by the cylinder, or to exert a force on a fluid inside the cylinder.
Most pistons fitted in a cylinder have piston rings. Usually there are two spring-compression rings that act as a seal between the piston and the cylinder wall, and one or more oil control rings below the compression rings. Its purpose is either to change the volume enclosed by the cylinder, or to exert a force on a fluid inside the cylinder. The head of the piston can be flat, bulged or otherwise shaped. Pistons can be forged or cast. The shape of the piston is normally rounded (but can be different, see NR500 ). A special type of cast piston is the hypereutectic piston. The piston is an important component of a piston engine and of hydraulic pneumatic systems.

In an Otto or Diesel engine, the head of the piston forms one wall of an expansion chamber inside the cylinder. The opposite wall, called the cylinder head, contains inlet and exhaust valves for gases.

As the piston moves inside the cylinder, it transforms the energy from the expansion of a burning gas (usually a mixture of petrol or diesel and air) into mechanical power (in the form of a reciprocating linear motion). From there the power is conveyed through a connecting rod to a crankshaft, which transforms it into a rotary motion, which usually drives a gearbox through a clutch.

There are two ways that a piston engine can make power. These are the two-stroke cycle and the four-stroke cycle. A two stroke engine produces power every stroke, while a four stroke engine produces power every other stroke. Older designs of small two-stroke engines produced more pollution than four stroke engines, however modern two-stroke designs, like the Vespa ET2 Injection utilise fuel-injection and are as clean as four-strokes. Large diesel two-stroke engines, as used in ships and locomotives, have always used fuel injection and produce low emissions. One of the biggest internal combustion engines in the world, the Wärtsilä-Sulzer RTA96-C is a two-stroke; it is bigger than most two-story houses, has pistons nearly 1 metre in diameter and is one of the most efficient mobile engines in existence. In theory, a four stroke engine has to be larger than a two stroke engine to produce an equivalent amount of power. Two stroke engines are becoming less common in developed countries these days, mainly due to manufacturer reluctance to invest in reducing two-stroke emissions. Traditionally, two stroke engines needed more maintenance, even though they have less moving parts and tended to wear out faster than four stroke engines, however fuel-injected two-strokes achieve better engine lubrication and cooling and reliability should improve considerably.

A steam engine is another type of piston engine. In most steam engines, the pistons are double acting: steam is alternately admitted to either end of the cylinder, so that every piston stroke produces power.
Plunger / Piston Pump

Fluid Flow Control
Greg St. Industrial Center, UK SK5 7BS EU
For insertions or changes contact the editor; For technical updates contact Dr. A. V. Ghavrish – Engineer.

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