GRAVER TECHNOLOGIES

FILTRATION AND HOUSING PRODUCTS

DEPTH FILTERS

COAX® Series Filter Cartridges

Dual zone depth filter with bicomponent fibers

The COAX Depth Filter cartridge is an integral two stage depth filter. The first stage is made of nonwoven melt blown polypropylene to trap coarser particles. The second stage is composed of a bicomponent polypropylene and polyethylene fiber to provide fine particle retention. This unique design provides a true graded, two zone structure that offers a marked increase in useful life and dirt capacity. In addition, the rigid nature means there is no flexing of the cartridge and greatly reducing media migration and particle unloading.

Crystal MBF Series Filter Cartridges

Economical Melt Blown Depth Filter Cartridges

An economical, melt blown filter element that can be used in a wide range of applications. The Crystal MBF depth filter is constructed of 100% polypropylene media for chemical compatibility with a variety of process fluids. The unique Crystal Core prevents collapse even at elevated temperatures.

MBC™ Series Filter Cartridges

Nominal rated melt blown depth filter cartridges with a core

An economical, melt blown filter element that can be used in a wide range of applications. The MBC depth filter is constructed of 100% polypropylene media for chemical compatibility with a variety of process fluids. The molded core prevents collapse even at elevated temperatures.

Stratum® A Series Filter Cartridges

Absolute Rated Melt Blown Filters

Stratum A Series melt blown depth filters deliver 99.9% efficiency at the stated micron for the most demanding applications. By utilizing ultra fine fibers and controlled thermal bonding, the Stratum A series retains captured contaminant even at higher differential pressures.

Stratum® C Series Filter Cartridges

High Performance Filters

For critical customer applications requiring precise and repeatable depth filtration, the Graver Stratum C series melt blown filters deliver exceptional performance. With a multi- zoned construction, true clarifying filtration is achieved with no unloading of captured contaminant.

 

PLEATED FILTERS

GFC™ Series Filter Cartridges

Microfiberglass pleated filter cartridges with polypropylene hardware

This high efficiency, economical filter element is constructed of pleated Borosilicate Microfiberglass media that combines excellent flow rates with exceptional service life. The nominally-rated borosilicate microfiber depth matrix has a natural positive charge that aids in the retention of negatively charged particulates such as colloidal materials or contaminants that may form haze within a fluid. The depth characteristic of glass media also provides enhanced retention of deformable particles as compared to typical polypropylene media.

GFP™ Series Filter Cartridges

Microfiberglass pleated filter cartridges with polyester hardware

This high efficiency, economical filter element is constructed of pleated Borosilicate Microfiberglass media that combines excellent flow rates with exceptional service life. The polyester supports of the GFP filter cartridge provide enhanced thermal tolerance for applications for higher temperature applications. The nominally-rated borosilicate microfiber depth matrix has a natural positive charge that aids in the retention of negatively charged particulates and combined with the depth characteristics of glass media, works well in the removal of both deformable and non-deformable particles.

GSS™ Series Filter Cartridges

High Temperature Pleated Glass Fiber Cartridges

This high efficiency, economical filter element is constructed of pleated Borosilicate Microfiberglass media to combine excellent flow rates with exceptional service life. The 304 stainless steel core and end caps of the GSS filter cartridge provide excellent thermal tolerance for for higher temperature applications. The 90% nominally-rated borosilicate microfiber depth matrix has a natural positive charge that aids in the retention of negatively charged particles, and combined with the depth characteristics of glass media, works well in the removal of both deformable and non-deformable particles.

High Flow Series Filter Cartridges

Large geometry, all polypropylene pleated filters for high flow applications

Graver High Flow Series filters feature a larger geometry to handle higher flows with fewer filter elements. The result is much faster, easier filter changeouts. In addition, the inside to outside flow allows for excellent dirt holding capacity, extending the time between filter changeouts. Filter housings are also available and because of the filter's high flow and dirt holding capacity, smaller systems are possible, reducing upfront capital costs.

High Flow GF Series Filter Cartridges

Large geometry, pleated filters with microfiberglass media for high flow applications

Graver High Flow Series filters feature a larger geometry to handle higher flows with fewer filter elements. The result is much faster, easier filter changeouts. In addition, the inside to outside flow allows for excellent dirt holding capacity, extending the time between filter changeouts. Filter housings are also available and because of the filter's high flow and dirt holding capacity, smaller systems are possible, reducing upfront capital costs.

High Flow RF Series Filter Cartridges

Large Geometry Pleated Filters for High Dirt Loading

Graver High Flow RF Series filter is another in the series of larger geometry filters to handle higher volume applications with fewer filter elements. The result is much faster, easier filter changeouts. In addition, the multi-layer media construction allows for excellent dirt holding capacity, extending the time between filter changeouts. Filter housings are also available and because of the filter's high dirt holding capacity, smaller systems are possible, reducing upfront capital costs.

PMA™ Series Filter Cartridges

Absolute Rated Pleated Filter Cartridges

This all polypropylene filter retains particles with absolute efficiency. Available in a broad range of pore sizes, it is suitable for a wide range of applications. The pleated construction provides a high surface area to offer outstanding overall filtration economy.

PMC™ Series Filter Cartridges

Economically Efficient Pleated Filter Cartridges

This cost effective, disposable filter element can be used for a wide range of applications. The filter is constructed of pleated polypropylene filter media with high surface area that allows for greater system flow rate.

PME Series Filter Cartridges

Economical all polypropylene pleated filter delivers absolute efficiency

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. In addition, the slightly smaller diameter ensures easy retrofit in installed housings designed to accept depth filters. The pleated construction provides high dirt holding capability and low pressure drops.

PMG Series Filter Cartridges

Economical Microfiberglass Filter Cartridges

This high efficiency, economical filter element is constructed of pleated Borosilicate Microfiberglass media that combines excellent flow rates with exceptional service life to support a wide range of chemical and industrial applications. The nominally-rated borosilicate microfiber depth matrix has a natural positive charge that aids in the retention of negatively charged particulates such as colloidal materials or contaminants that may form haze within a fluid. The depth characteristic of glass media also provides enhanced retention of deformable particles as compared to typical polypropylene media. In addition, the slightly smaller diameter ensures easy retrofit in installed housings designed to accept depth filters.

QCR™ Series Filter Cartridges

Helping to ensure the safety of the water supply

Water borne disease has been traced to Cryptosporidium and Giardia parasites that may be present in many surface water sources. Healthy individuals typically recover from the common gastrointestinal effects, however for individuals with weakened or undeveloped immune systems, it can be life threatening. These naturally occurring organisms are highly resistant to inactivation by conventional water treatment processes such as chlorination and thus require high performance mechanical removal technologies.

QMA™ Series Filter Cartridges

Absolute Rated High Performance Pleated Polypropylene Filter Cartridge

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

QMC™ Series Filter Cartridges

High Efficiency Polypropylene Filter Cartridge

An innovative product manufactured with multiple layers of melt blown polypropylene media. This unique structure allows high flow rates while maintaining low differential pressure and ideal depth filtration characteristics.

QSL™ Series Filter Cartridges

Serial Layered Design for Optimized Prefiltration

Incorporating a polypropylene microfiber media over a polyethersulfone membrane, the serial layered QSL cartridge design offers excellent retention characteristics and extended life to provide long lasting protection of downstream final filters. By preventing early blockage of downstream filters, the QSL contributes significantly to an economical overall design of your filtration system.

QXL™ Series Filter Cartridges

Absolute Rated Filtration for Inks, Slurries and Coatings

With its extra-loft, extra-life depth filter configuration, the QXL is designed for the filtration of industrial solutions containing agglomerated particles and gels or with high viscosity. Consistent absolute retention performance is achieved throughout the pleated, layered microfiber matrix. The stateof-the-art, optimized structure provides significantly higher flow rates and throughputs than cylindrical melt blown filters.

 

MEMBRANE FILTERS

Citadel™ Series Filter Cartridges

All-Fluoropolymer filter cartridges

Citadel pleated membrane cartridges feature a PTFE membrane and PFA structural components to provide excellent chemical and temperature resistance for aggressive chemical applications such as etchers, strippers, cleaners and bulk chemicals. The all- fluoropolymer construction provides for the highest level of fluid purity and will exhibit rapid rinse-up to 18 MΩ-cm resistivity and single digit ppb levels of TOC. Citadel filter cartridges are produced and manufactured in an ISO cleanroom and are 100% integrity tested to ensure performance standards.

TefTEC™ P Series Filter Cartridges

Sterilizing Grade PTFE Membrane Filter Cartridges

TefTEC P membrane cartridges are validated for complete bacterial retention to yield product sterility in biopharmaceutical final filtration applications. TefTEC P cartridge filters are constructed with naturally hydrophobic e-PTFE membrane with polypropylene support layers and components. The sterilizing grade PTFE membrane cartridges are well suited for compressed air applications, fermentation feed air and tank vent applications where absolute microbial retention is critical. Additionally, TefTEC P has demonstrated viral aerosol retention to provide essential protection for final products.

TefTEC™ Series Filter Cartridges

Absolute Rated PTFE Membrane Filter Cartridges

TefTEC cartridge filters are constructed with naturally hydrophobic PTFE membrane and polypropylene support layers and components. The HIMA retentive PTFE membrane offers superior hydrophobicity and water intrusion resistance compared to PVDF and polypropylene membranes, and the cartridge construction offers a cost-effective alternative to all-fluorocarbon filters. TefTEC filters are ideal for gas/vent applications and the filtration of aggressive chemicals and solvents.

TefTEC™ V Series Filter Cartridges

Aerosol bacterial retentive grade, PTFE membrane for vent applications

TefTEC V cartridge filters are constructed with naturally hydrophobic PTFE membrane and polypropylene support layers and components. The economical PTFE membrane cartridge filter provides superior hydrophobicity as compared to polypropylene filters commonly used in compressed air applications, making it ideally suited for utility as well as tank vent applications, without the higher costs of the typical PTFE filter. Additionally, the filter has been demonstrated to produce sterile air utilizing a bacterial aerosol challenge methodology, emulating the actual removal character of the filter in vent applications.

WaterTEC™ Series Filter Cartridges

Value polyethersulfone membrane pleated filter cartridges

The WaterTEC filter series is constructed of absolute rated, hydrophilic, asymmetric polyethersulfone membrane and polypropylene components. The filter is designed for overall filtration economy and provides excellent flow rates and throughputs.

ZTEC™ B Series Filter Cartridges

Pleated PES Membrane for Bioburden Reduction in Beverages and Biopharmaceuticals

ZTEC B Bioburden Reduction grade membrane cartridges provide highly consistent performance for bioburden reduction and particle removal across a wide range of beverage, pharmaceutical and biological fluids. The naturally hydrophilic PES membrane filters provide exceptional flow rates, long on-stream life, broad chemical compatibility and have no added surfactants to contribute to extractables. The cartridges are integrity testable and steamable to assure reliable service in critical applications.

ZTEC™ E Series Filter Cartridges

Pleated PES Membrane for Final Filtration of Ultrapure Water

ZTEC E microelectronics grade cartridges represent Graver’s latest development in ultrapure water filtration technology. The filters are inherently hydrophilic and contain no added surfactants or wetting agents that could contaminate pure and ultrapure water streams. The PES membrane offers superior flow characteristics, high contaminant capacity and consistent removal of submicron particles. The cartridges exhibit rapid rinse-up to 18 MΩ-cm resistivity and single digit ppb levels of TOC.

ZTEC™ G Series Filter Cartridges

Absolute Rated PES Membrane Pleated Filter Cartridges

This pleated, disposable filter element is constructed of absolute rated, hydrophilic, asymmetric polyethersulfone membrane with extended filter area to allow for a high system flow rate.

ZTEC™ P Series Filter Cartridges

Pleated PES Membrane for Sterile Filtration

ZTEC P Sterilizing Grade membrane cartridges are validated for complete bacterial retention to yield product sterility in biopharmaceutical final filtration applications. The naturally hydrophilic and low protein binding characteristics of polyethersulfone membrane ensure maximum transmission of active ingredients making it ideal for a wide range of pharmaceutical and biological liquid applications, including the filtration of therapeutics, vaccines, antibiotics, bulk pharmaceutical and other critical biotechnology products. The double-layer PES 0.2 micron membrane filters are manufactured in a cleanroom environment, and integrity tested before shipment to assure consistent performance and quality.

ZTEC™ WB Series Filter Cartridges

Pleated PES Membrane for Critical Filtration in Beverage Applications

Protect your beverage from spoilage. ZTEC WB cartridge filters utilize a special polyethersulfone membrane to provide consistent removal of spoilage organisms and inorganic particulate. The product offers excellent retention efficiency and extended on-stream life making it an ideal filter for the clarification of beer, wine and bottled water. PES membrane available with 0.2, 0.45 and 0.65 μm pore sizes, is designed to meet and surpass the filtration criteria necessary to maintain product quality and characteristics. Produced in an ISO Class 7 cleanroom, the cartridges are integrity tested during production to assure performance and consistency.

 

SPECIALTY FILTERS

 

RTEC™ G Series Filter Cartridges

Rigid Resin Bonded Filters

RTEC G Series filters feature a microfiberglass/phenolic resin construction that produces an extremely rigid pore structure. This construction allows the filter to withstand extremes of viscosity and temperature without compression or collapse. In addition, a true graded density construction allows complete utilization of the filter’s depth, with coarse particles captured in the outer zones and finer particles captured nearer the core.

TPE™ Series Filter Cartridges

Improved mechanical strength and corrosion resistance

TPE series filters are porous metal filters designed for applications involving heat, gases, aggressive chemicals, cryogenics or polymers. Made from metal powder, that is sintered to form a rugged, fixed pore structure, TPE filters are made to withstand temperature extremes, high pressures and repeated cleaning/backwash cycles. There are no longitudinal seams, for improved mechanical strength and corrosion resistance. TPE filters are produced in a range of configurations and micron ratings to perform in a variety of liquid and gas applications.

FILTERS HOUSINGS

 

GHP™ Series Filter Housings

High-Purity Vessels

Single and multi-round housings are constructed of 316L stainless steel and engineered using 3A standards for filtration applications requiring high purity production streams. Design characteristics minimize hold up volumes, provide for easy draining and optimized cleanability. External surfaces mechanically polished and internal surface is acid washed for a consistent, easy care finish. Available to accommodate multiple configurations and up to 36 individual cartridges.

GLP™ Series Filter Housings

Multi-Cartridge Filter Series

Multi-round housings are constructed of durable stainless steel and meet general purpose industrial and commercial filtration needs. All wetted welded surfaces are 316 stainless steel. External surface is electrolysed and internal surface is acid washed for a consistent, easy care finish. Accepts 10", 20", 30" and 40" cartridges with DOE, 222 and 226 configuration options.

GSC™ Series Filter Housings

Single Cartridge Filter Series

Single cartridge filter housings are constructed of 316 stainless steel with a clamp closure to service a wide range of general purpose filter applications. The design allows for full sump drainage and is available to accommodate a range of cartridge configurations including DOE, 222 and 226.

High Flow Series Filter Housings

Filter Housings for High Flow Applications

Designed to accept Graver and competitive High Flow Series large geometry filter elements. Available in both vertical and horizontal orientations, the High Flow housings can accept from 1 to 7 filter elements. Also available is a single round tipped horizontal design that allows easier removal without the need for a platform and readily drains from back of vessel to eliminate fluid spills.

© 2023 by Green Synergy Engineering.

No.25-1, Jalan12/144A, Taman Bukit Cheras,

56000 Kuala Lumpur, Malaysia

jonchee@greensynergy.my

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