17 DECEMBER 2007

Blackmer TXD Series Pumps Meeting The Growing Demand In Biodiesel Transport Industry

Grand Rapids, MIBlackmer, the global leader in positive displacement rotary vane technologies, announced today that the tremendous growth in the biodiesel industry is driving increased demand by biodiesel transporters for its TXD Series sliding vane pumps. The popular TXD and TXSD (stainless steel) transport pumps are designed to meet the challenges associated with the transport of all blends of biodiesel, including B100. Blackmer recently upgraded the elastomer seals in these sliding vane pump models to allow for compatibility with biodiesel. The fluorocarbon elastomers (FKM) used in the TXD pumps were upgraded to a high-grade compound to allow for much broader compatibility with a range of fluids and are approved for all biodiesel blends (including B100).

TXD pumps have excellent self-priming and dry run capabilities and were originally designed for clean, lubricating liquids such as fuel oil, kerosene, gasoline, avgas, jet fuel, light lube oils and solvents. The progression to handling biodiesel has been natural due to the upgrades in the elastomer seals. Available in 1.5- 2-, 2.5-, 3- and 4-inch port sizes with flow rates from 10 to 500 U.S. gpm (38 to 1,893 lpm) and pressures to 125 psi, TXD pumps offer fast, quiet, trouble-free operation. Adjustable relief valves protect the pump from excessive pressure. The optional air-operated relief valve offers easy hose and nozzle handling. T-type strainers are available to protect pumping systems from damage caused by debris including welding slag and foreign matter in the piping and tanks.

A biofuel's life cycle is determined by the sequence of steps involved in making and using the fuel from the extraction of all raw materials from the environment to the final end-use of the fuel in a motorized vehicle. The TXD sliding vane pumps are more efficient than competitive pumping technologies, and therefore contribute to the increased life-cycle energy efficiency of biodiesel. Blackmer's sliding vane technology requires less horsepower than other positive displacement pumps, reducing engine idle speed and, thereby, saving user's fuel costs. In addition, the volumetric efficiency of Blackmer pumps saves more than just energy. Their inherently low slippage allows them to operate at lower RPMs than other positive displacement pump types, while still delivering equivalent output. These lower operating speeds mean longer service life, reduced maintenance requirements, and quieter operation. The TXD Series pumps can be easily serviced without having to be removed from the truck or piping, contributing to the lower maintenance requirements.

For more information about Blackmer TXD pumps, please contact Jim Becker at (616) 475-9390 or becker@blackmer.com.

Blackmer is a global leader in the design and manufacture of high quality flow technologies, including peristaltic hose, eccentric disc and rotary vane positive displacement pumps, centrifugal pumps, screw compressors, air elimination systems and sliding vane and reciprocating compressors for the transfer of liquid and gas products. Blackmer pumps and compressors are used worldwide in a variety of industries including LPG, Chemical and Industrial Processing, Energy, Food & Sanitary, Military/Marine and the Mobile Transport industries. Blackmer is part of Dover Corporation.

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