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Blackmer® is the leading global provider of innovative, high-quality sliding vane, centrifugal, screw and regenerative turbine pump, and reciprocating gas compressor technologies for the safe transfer of liquids and gases.

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Sliding Vane Pumps

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Providing Innovative Product-Transfer Solutions for a Variety of Markets and Applications

Blackmer provides innovative product transfer solutions for many markets and applications, including in the chemical process, energy, transport, military & marine; general industrial, and oil & gas industries.

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General Industrial

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Sliding Vanes in Blackmer® TX Series Pumps Outperform Competitive Knockoff Models by More Than 2-to-1 in Flexural-Strength Tests

by PSG | Jun 26, 2017
Provide superior performance and reliability versus knockoff versions

Blackmer_comparisonGrand Rapids, MI – June 26, 2017 – Blackmer®, part of PSG®, a Dover company and a global leader in positive displacement, regenerative turbine and centrifugal pump, and reciprocating compressor technologies, is pleased to announce that its TX Series sliding vane pumps feature the reliability, durability and efficiency that make them ideal for use in the transfer of a wide array of petroleum-based products, such as diesel fuel. Specifically, the sliding vanes in Blackmer TX Series pumps have been engineered with the strength needed to excel in these types of critical applications over competitive models, especially foreign “knockoff” versions. Lab tests show Blackmer sliding vanes outperform competitive knockoff models by more than two-to-one in flexural-strength tests.

Blackmer TX Series pumps feature cast-iron construction and operate via Blackmer’s unique sliding vane method that self-adjusts for wear to maintain flow rates. The result is a pump that offers excellent self-priming and dry-run capabilities, and easy maintenance. Available in 1.5-, 2-, 2.5-, 3- and 4-inch port sizes, TX Series pumps offer flow rates from 10 to 500 gpm and pressures up to 125 psi. Additionally, Blackmer backs its TX Series pumps with a five-year Standard Warranty and a two-year Performance Assurance.

Other benefits of Blackmer TX Series pumps include a dual-ended shaft on the 2-, 2.5- and 3-inch models that simplifies installation, mechanical seals and ball-bearing construction, symmetrical bearing support for even loading and wear, adjustable relief valve that protects against excessive pressures, and external ball bearings that are isolated from the pumpage to maximize bearing life and minimize contamination risk. A variety of options, including Buna or PTFE O-rings, pneumatic relief valves, hydraulic motor adapters and strainers are available.

Blackmer recently launched its “TX Strong” website to illustrate just how much more reliable its TX Series pumps are when compared to knockoff versions. Found at, the site provides evidence that refutes claims made by foreign manufacturers that their knockoff versions of TX Series pumps perform as reliably, safely and efficiently as the original. As part of this evidence, Blackmer produced a flyer and video that evaluates TX Series pumps against imitation brands in a number of eyeopening lab tests, the results of which prove conclusively the superiority of the TX Series pumps.

For more information on Blackmer, please go to Blackmer is a product brand within PSG, a Dover company. For more information on PSG, please go to

About Blackmer: 
Blackmer® is a leading global provider of innovative and high-quality positive displacement, regenerative turbine and centrifugal pump, and reciprocating compressor technologies for the transfer of liquids and gasses. For more than a century, the Blackmer name has stood for unparalleled product performance, superior services and support, well-timed innovation and a commitment to total customer satisfaction. Supported by a worldwide network of distributors and original equipment manufacturers, Blackmer pumps and compressors are used in a multitude of applications in the Process, Energy and Military & Marine markets. Blackmer— headquartered in Grand Rapids, Michigan, USA—is part of PSG®, a Dover company.

About Dover Corporation:

Dover is a diversified global manufacturer with annual revenue of approximately $7 billion. We deliver innovative equipment and components, specialty systems, consumable supplies, software and digital solutions, and support services through three operating segments: Engineered Systems, Fluids and Refrigeration & Food Equipment. Dover combines global scale with operational agility to lead the markets we serve. Recognized for our entrepreneurial approach for over 60 years, our team of approximately 24,000 employees takes an ownership mindset, collaborating with customers to redefine what's possible. Dover is headquartered in Downers Grove, IL, USA.

Marketing Contact:
Mark Pyk, Marketing Communications Manager 
PSG®, a Dover company.
616-475-9330 or

Media Contact:
Darren Wight, VP Media & Publicity
DeanHouston (agency for PSG®)
513-280-0047 or