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Filtration & Separation

Liquid Filters

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Graver Technologies specializes in designing, engineering, and manufacturing a comprehensive line of high-performance and cost-effective filter cartridges and housings for liquid process filtration. Serving a variety of industries—such as food and beverage, chemical, microelectronics, and healthcare—our solutions are tailored to meet diverse application needs.

Key liquid process filters include:

  • Melt Blown Depth Filters: Designed for applications requiring reliable depth filtration.
  • Resin Bonded Filters: Ideal for high-temperature applications and resistant to a wide range of chemicals.
  • Microfiberglass and Polypropylene Pleated Cartridges: Provide an extensive filtration area for high efficiency and longer service life.
  • Membrane Filters with PTFE or Polyethersulfone (PES): Perfect for critical applications requiring precise filtration and high purity.

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Internal ID: 281
PME™ Series

PME™ Series

For applications requiring an economical solution, choose the PME Series to deliver absolute efficiency in a broad range of particle sizes. This all polypropylene filter is suitable for a wide range of applications and provides industry certifications to satisfy most critical requirements.

Key features:
  • Micron ratings from 0.2 to 50 μm — Broad application range
  • 2.55" diameter to fit installed housings with ease
  • “Absolute” Efficiency — Rated at 99.98% (Beta 5000)
  • Optimized surface area — High dirt holding for long service life
  • Fixed pore structure — Eliminates dirt unloading at maximum differential pressure
  • Polypropylene Construction — Inert to many process fluids
  • Various Gasket/O-Ring materials — Compatible with a variety of fluids
  • Manufactured in continuous lengths up to 40 inches
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support literature:
Data Sheet
applications:
Food & Beverage
Healthcare
Industrial
Water Treatment
Internal ID: 284
PMG™ Series

PMG™ Series

Key features:
Request Info
support literature:
Data Sheet
applications:
Water Treatment
Healthcare
Food & Beverage
Internal ID: 300
QCR™ Series

QCR™ Series

An absolute rated filter designed to meet or exceed the minimum log reduction credit of >3.0 for cysts.

Key features:
  • Constructed of polypropylene or polypropylene and polyethersulfone — compatible with most fluids
  • Double ORing style ends for the highest seal integrity
  • 7.0 ft2 (0.65 m2) of effective filter area
  • Various ORing materials and configurations — easily retrofits most systems
  • High surface area — high flow rates and long online service
Request Info
support literature:
Data Sheet
applications:
Microelectronics
Industrial
Water Treatment
Healthcare
Food & Beverage
Internal ID: 301
QMA™ Series

QMA™ Series

This filter is constructed with a high surface area melt blown polypropylene media for low initial pressure drop, high dirt holding capacity, and efficiency performance.

Key features:
  • Micron ratings from 0.2 to 20 μm — broad application range
  • “Absolute” Efficiency — rated at 99.98% (Beta 5000)
  • High surface area — high flow rate, and long service life — minimize maintenance cost
  • Fixed pore construction — resists dirt unloading at maximum differential pressure
  • Polypropylene construction — inert to many process fluids
  • Various gasket/Oring materials — compatible with many fluids
  • Heavy duty molded cage — high structural strength
  • Highly consistent melt blown media for consistent performance
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support literature:
Data Sheet
applications:
Microelectronics
Industrial
Water Treatment
Healthcare
Food & Beverage
Internal ID: 302
QMC™ Series

QMC™ Series

This innovative product has melt-blown polypropylene media with multiple layers, providing high flow rates and ideal depth filtration.

Key features:
  • Micron ratings from 0.1 to 10 μm — Broad application range
  • High Filtration Efficiency — 95%
  • Graded pore structure — Multilayer, media for high dirt holding capacity
  • Fixed pore construction — Resists dirt unloading at maximum differential pressure
  • Polypropylene construction — Inert to many process fluids
  • Various Gasket/Oring materials — Compatible with many fluids
Request Info
support literature:
Data Sheet
applications:
Industrial
Microelectronics
Food & Beverage
Healthcare
Water Treatment
Internal ID: 303
QSL™ Filter Series

QSL™ Filter Series

The QSL™ cartridge has a polypropylene microfiber media over a polyethersulfone membrane. It's design offers excellent retention characteristics and extended life.

Key features:
  • Serial layered design — enhances capacity and simplifies prefiltration requirements
  • Absolute rated (99.98%) — an ideal prefilter to 0.2, 0.45 and 0.65 micron membrane filters
  • Fixed pore construction — resists dirt unloading at maximum differential pressure
  • High surface area — high flow rate, and long service life — minimize maintenance cost
  • Available with various gasket/Oring materials — compatible with many fluids
Request Info
support literature:
Data Sheet
applications:
Industrial
Microelectronics
Food & Beverage
Healthcare
Water Treatment
Internal ID: 304
QXL™ Series

QXL™ Series

QXL™ depth filter has an extra-loft configuration for industrial solutions with agglomerated particles, gels, and high viscosity, offering absolute retention performance.

Key features:
  • Hybrid pleated depth construction combines graded pore structure with high surface area.
  • Constructed entirely of polypropylene — Compatible with a broad range of solutions and chemicals
  • Optimized pleat configuration — Provides the ideal combination of retention, flow rate and throughput
  • Excellent gel and agglomerated particle retention reduces defects
  • Available in common end cap configurations — Retrofits easily into most filter housings
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support literature:
Data Sheet
Technical Brief
applications:
Industrial
Microelectronics
Healthcare
Food & Beverage
Water Treatment
Internal ID: 309
RTEC™ G Series

RTEC™ G Series

The RTEC™ G Series filters have microfiberglass/phenolic resin construction for a rigid pore structure that withstands temperature/viscosity extremes.

Key features:
  • Rigid microfiberglass/phenolic resin construction prevents unloading even at high differential pressures
  • Grooved outer surface increases surface area for longer on-stream life
  • Available in a wide range of removal efficiencies from 0.5 to 150 microns
  • Broad chemical compatibility
  • Provided with outer cotton wrap to aid in handling and protect the surface
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support literature:
Data Sheet
applications:
Microelectronics
Industrial
Food & Beverage
Healthcare
Water Treatment
Internal ID: 317
Silt Density Index

Silt Density Index

This technical brief discusses the importance of Silt Density Index (SDI) testing in reverse osmosis (RO) systems to predict and prevent membrane fouling, particularly when producing drinking water from seawater. Maintaining a low SDI value is crucial to minimize fouling and maintain membrane performance.

Key features:
Request Info
support literature:
Technical Brief
applications:
Water Treatment
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Contact Us

If you have questions or comments regarding the information in this site, or if you wish to receive additional information on Graver Technologies, please contact us:

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Graver Technologies
200 Lake Drive
Glasgow, DE 19702 USA

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1 (302) 731-1700
1 (800) 249-1990
[email protected]
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