Liquid Filters

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: 228

High Flow Series

The High Flow Series filters handle high flows with fewer elements and offer excellent dirt holding capacity. Smaller systems are possible, reducing upfront costs.

Key features:

6" diameter, large geometry for high flow rates
Absolute retention ratings from 1 to 100 microns
Capable of flow rates up to 500 GPM in a single 60" element
Insideout flow retains contaminant even during changeout
Multi layer pleated construction with optimized surface area
Outer cage prevents media extrusion problem experienced with some competitive offerings
Unique Quad Seal gasket provides maximum seal integrity
Retrofits competitive high flow filter housings
Thermally bonded construction

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download support literature:
Data Sheet
Industries:
Industrial
Microelectronics
Water Treatment
Healthcare
Food & Beverage

Internal ID: 229

High Flow Sizing

This technical brief contains Housing Sizing Guidelines for Graver High Flow Filter Cartridges.

Key features:

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Technical Brief
Industries:
Food & Beverage
Healthcare
Industrial
Microelectronics
Power Generation

Internal ID: 232

Integrity Testing: Pressure Hold

This technical brief identifies why integrity testing is crucial for membrane filters in bioburden control. Bubble point and diffusive flow are common, but Pressure Hold Test is recommended for multi-round housings.

Key features:

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download support literature:
Data Sheet
Technical Brief
Industries:
Healthcare
Food & Beverage

Internal ID: 242

LPF Line Card

This document explores Graver Technologies' liquid process filters product offering.

Key features:

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Brochure
Industries:
Water Treatment
Healthcare
Food & Beverage
Microelectronics
Industrial

Internal ID: 243

MBC™ Series

An economical, nominally rated disposable filter element constructed of 100% polypropylene media for chemical compatibility with a variety of process fluids.

Key features:

Available in nominal ratings from 1 to 75 microns
Molded core for excellent collapse strength
Graded pore construction for long onstream life
Melt blown media resists dirt unloading as differential pressure increases
Non-shedding
High dirt holding capacity
Economical depth filtration
Thermal bonded endcaps optional
Free of binders, adhesives and surfactants

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download support literature:
Data Sheet
Industries:
Industrial
Microelectronics
Healthcare
Water Treatment
Food & Beverage

Internal ID: 245

Membrane Role in Microbial Retention

This technical brief explores the role of membranes in microbial retention.

Key features:

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Technical Brief
Industries:
Food & Beverage
Healthcare

Internal ID: 246

Membrane Wetting

This technical brief explores Pre-Wetting Hydrophilic Membranes for Integrity Testing.

Key features:

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Data Sheet
Technical Brief
Industries:
Food & Beverage
Healthcare

Internal ID: 279

PMA™ Series

The all polypropylene filter retains particles with absolute efficiency and is available in various pore sizes, suitable for a wide range of applications.

Key features:

Micron ratings from 0.2 to 100 μm — Broad application range
“Absolute” efficiency — Rated at 99.98% (Beta 5000)
Competitive surface area — High flow rates, and long online service — minimize maintenance cost
Fixed pore structure — Eliminates dirt unloading at maximum differential pressure
Polypropylene construction — Inert to many process fluids
Various gasket/Oring materials — Compatible with a variety of fluids
Manufactured in continuous lengths up to 40 inches

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download support literature:
Data Sheet
Industries:
Microelectronics
Industrial
Water Treatment
Food & Beverage
Healthcare

Internal ID: 280

PMC™ Series

The disposable filter has pleated polypropylene media with high surface area, allowing for greater system flow rate. It's affordable & made for a range of applications.

Key features:

Micron ratings from 0.2 to 50 μm — Broad application range
Fixed pore structures — Resists unloading of captured contaminant
Polypropylene Construction — Inert to many process fluids
Various Gasket/ORing materials — Compatible with a variety of fluids
Economically efficient filtration
Manufactured in continuous lengths up to 40 inches

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download support literature:
Data Sheet
Industries:
Industrial
Microelectronics
Healthcare
Food & Beverage
Water Treatment

Internal ID: 281

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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download support literature:
Data Sheet
Industries:
Food & Beverage
Healthcare
Industrial
Water Treatment

Internal ID: 284

PMG™ Series

Key features:

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Data Sheet
Industries:
Water Treatment
Healthcare
Food & Beverage

Internal ID: 300

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

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download support literature:
Data Sheet
Industries:
Microelectronics
Industrial
Water Treatment
Healthcare
Food & Beverage

Internal ID: 301

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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download support literature:
Data Sheet
Industries:
Microelectronics
Industrial
Water Treatment
Healthcare
Food & Beverage

Internal ID: 302

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

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download support literature:
Data Sheet
Industries:
Industrial
Microelectronics
Food & Beverage
Healthcare
Water Treatment

Internal ID: 303

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 More Info
download support literature:
Data Sheet
Industries:
Industrial
Microelectronics
Food & Beverage
Healthcare
Water Treatment

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