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Union Pump offers an extensive range of pumping equipment and related services for application in refining, utility, petrochemical, oil and gas production, pipeline, nuclear, fossil fuel power generation, boiler feedwater, reverse osmosis and other process industries.
Our product portfolio includes high pressure multistage centrifugal pumps, single and two stage process pumps, vertical single and multi-stage pumps, and reciprocating power and steam driven positive displacement pumps.
Union Pump is committed to reducing lifecycle costs through product development and continuous improvement manufacturing initiatives. We have been recognized since 1885 for the development and production of engineered pumps.
Our company's worldwide manufacturing facilities have quality management systems certified to ISO 9001. We support API 610 and API 674 standards, and we are devoted to meeting the requirements of our customers with quality products.

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The Union Pump horizontal product line includes the single stage end suction top discharge (OH2) model HHS; the single stage radial split case between bearing (BB2) model HOL; the model DB-30 axial split case between bearing (BB1); and the axial split case multistage (BB3) models "M" / DB-34 and DVMX. All pumps are designed and built to the latest API 610 standards.
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Our vertical in-line single stage centrifugal pumps(OH3/OH4 model VLK, VHK and VLK-BB) are designed with and without bearing brackets. Union Pump also markets a line of ANSI in-line single stage centrifugal pumps with open impeller designs called the VCM model. Read More >> |
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The Union Pump power driven reciprocating plunger pump ranges from our simplex 3hp design model SX-3 to the 1200hp quintuplex (5 plungers) model QD-8060. Our single acting reciprocating pumps are designed for high-pressure high efficiency applications where reliability and low lifecycle costs are an important purchase requirement.
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The Union Pump double-acting simplex and duplex, direct acting piston and plunger pumps are designed for the toughest applications where slow operating speeds are essential design requirements for hot/abrasiveapplications. Read More >> |
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