Market Overview

Donaldson Introduces Innovative System, Making Gas Turbine Filter Selection Easier

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New rating system promotes cost-efficient filtration for specific
climates and conditions

Donaldson Company, Inc. (NYSE:DCI), a leading worldwide manufacturer of
filtration systems and parts, has introduced an easier way for gas
turbine system operators to select replacement air filters, developing
laboratory tests to quantify watertightness and pulse recovery rate, a
first for the industry.

Historically, efficiency has been the standard for gas turbine inlet air
filter selection and ratings, but with the abundance of industry
ratings, the selection process itself can be confusing. Donaldson
employs a unique 0-5 point rating scale for efficiency (Er),
watertightness (W) and pulse recovery rate (P) for each of its
Turbo-Tek™ Cartridge Filters. These three attributes help select the
appropriate filter for the operating condition.

"Filters are designed for specific operating needs and putting the right
ones in place helps generate more power at a lower cost," said Michael
Roesner, Aftermarket Manager for Donaldson Gas Turbine Systems. "If a
plant's operations or environment changes, or they simply want better
replacement filters for the job, our Er|W|P ratings can help match
filters to unique conditions."

Each filter in Donaldson's Turbo-Tek™ line receives an Er|W|P rating—for
example, Er4|W5|P1—published in its technical data sheet to indicate
relative performance on:

  • Filter Efficiency: percent of
    particulates captured from incoming air;
  • Watertightness: resistance to water
    ingress, which can carry damaging dissolved contaminants; and
  • Pulse Recovery Rate: how readily peak
    performance returns after pulse cleaning a dust load.

"These three key characteristics typically do not stand alone, but
require an integrated approach," said Roesner. "The ideal balance
factors in potential downtime costs and return on investment (ROI). Our
rating system allows a straight-forward and comprehensive evaluation
before a purchase is made and can add up to more power generated in a
cost-effective manner."

An industry leader with a history of using innovation and
technology-leading solutions, Donaldson developed its Er|W|P ratings
based on input from its customers, and decades of experience serving gas
turbine operators in all climates and conditions.

About Donaldson Gas Turbine Systems

Donaldson's Gas Turbine Systems group supports the power generation and
oil and gas industries by providing comprehensive filtration products
and services that increase energy efficiency and generate more megawatts
to meet the world's ever-growing energy needs. At Donaldson, we bring
more power to you. For information about Donaldson's gas turbine inlet
air filter ratings, visit https://go.donaldson.com/gas-turbine-systems
or call 800-431-0555.

About Donaldson Company

Founded in 1915, Donaldson Company is a global leader in the filtration
industry with sales, manufacturing and distribution locations around the
world. Donaldson's innovative technologies are designed to solve complex
filtration challenges and enhance customers' equipment performance. For
more information, visit www.Donaldson.com.

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