Industrial Air & Gas Filters & Systems
Graver Technologies offers comprehensive solutions for a wide array of industrial air and gas filtration applications. Our filters play a critical role in protecting essential rotating equipment, such as vacuum pumps, turbines, and compressors. Whether your needs involve fuel gas filtration on offshore platforms, safeguarding downstream instrumentation, or recovering precious metals, Graver Technologies delivers cost-effective solutions, from standard products to custom-engineered designs.
When standard filters do not fully meet your specifications, our engineering team is prepared to develop custom solutions that adhere to the strictest requirements. We also specialize in managing unique project needs, including:
- Special Paint Processes: Customizing products to meet specific coating and paint requirements.
- Addition of Ancillary Devices: Integrating supplementary components as needed.
- NDE Requirements: Performing non-destructive examinations as required.
- Custom Designs: Creating filters that meet precise customer specifications.
Vacuum Pump Filters
The LKV and HKV Series filters offer a replaceable, cleanable element that features a pleated or "radial fin" cartridge design.
- Pleated, maximum area elements
- Low pressure loss design Large dirt holding capacity, longer operation between element changes
- Positive sealing, high vacuum capability
- Cleanable, reusable filter element
- Modified and custom designs available
Filters for Natural Gas Transmission & Distribution
Natural gas traveling through pipelines can pick up some degrees of contaminants, which can cause compressor damage, regulator and meter damage, and/or increased pipeline maintenance. Download the attached documents to get information about Graver’s AGS series coalescers and/or CP series that eliminate solids and liquids that could lead to compressor failure.
- Removes solid and liquid contaminants:0.3μ and 1μ @ >99%
- Pressures from 15 PSIG to 5,000 PSIG• Flows from 100 SCFM to 61,000 SCFM
- Temperatures to 300° F
- Connections from ½" to 24"
- Design: ASME Section XIII, Div. 1 and PED97
- Available in Carbon Steel, 304 and 316 MOC
- Applications: Air, O2, H2, He, CH4, natural gas, N2, A
- Media options: Polyester, Fiberglass
- Closure options: flange, swing bolt, and quickopening (MODCO)• Custom designs available
- Removes solid contaminants from 0.3μ @ >99.97%
- Pressures from 15 PSIG to 5,000 PSIG
- Flows from 100 SCFM to 250,000 SCFM
- Temperatures to 300° F
- Connections from ½" to 24"
- Available in Carbon Steel, 304 and 316 MOC
- Design: ASME Section XIII, Div. 1 and PED97
- Applications: Air, O2, H2, He, CH4, natural gas, N2, A
- Media options: Fiberglass, Polyester, Teflon,Nomex
- Closure options: flange, swing bolt, and quickopening (MODCO)
- Custom designs available
MCL/SMCL Series Liquid Filter Equipment
MCL Filter elements have been designed to minimize pressure differential while maximizing effective filtration area.
- Connection sizes from 1" to 6" accommodate flow rates to 800 GPM
- 1 5/8" core ID allows for very low pressure differentials
- ASME code stamp available for assurance of quality
- Available in over 175 varieties of media, retention and efficiencies to exactly match application requirements
- Large pleated design results in large effective filtration areas which leads to long life, cost effective filtration
- Available with either all plastic or metal support structures to maximize performance flexibility
- Modified and custom designs (materials of construction, inlet/outlet orientation, higher pressure, etc.) to match unique filtration requirements
TPF Air Intake Pre-Filters
This document covers Graver Technologies as a leader in gas filtration, offers a wide range of filtration solutions for various applications, including gas turbine air intake pre-filters. Their innovative one-piece design, thermal bonding, and patented removal strap make their pre-filters efficient, easy to install, and cost-effective.
- Extended Filter Life – Helps prolong the service life of primary air intake filters, reducing maintenance costs.
- Superior Filtration Efficiency – Effectively removes airborne contaminants, protecting gas turbines, compressors, and other industrial equipment.
- One-Piece Seamless Design – Thermally bonded seams without glue ensure durability and reliability.
- Fast & Easy Installation – Can be installed while the turbine is running, minimizing downtime and operational disruptions.
- Patented Removal Strap – Allows for quick and hassle-free replacement, reducing change-out time and labor costs.
- Industrial-Grade Performance – Designed to meet stringent filtration standards for high-demand applications.
- Versatile Applications – Ideal for gas turbine air intake systems, compressors, and industrial dust collection units.
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Air Intake Filters - PFS Series
The PFS and PFD Series filter elements offer cleanable and replaceable panels that utilize a pleated media design.
- Compact pleated element panels provide maximum area and dirt holding capacity
- Low pressure drop, low energy costs
- PFS Series: Positive sealing services
- PFD Series: Two stage design with positive sealing services
- Rugged allweather steel housing
- Reduction of air and compressor noise
- Safety screen design allows panel element replacement without interruption of equipment operation
- Modified and custom designs available
- Easy, low maintenance cost effective design
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Air Intake Filters - CA Series
The CA and CAS Series filters offer a replaceable, cleanable element that incorporates a pleated or "radial fin" cartridge design.
- Noise reduction - to help meet plant requirements
- Low pressure drop - low energy loss
- Maximum filter area and dirt holding capacity
- Cleanable, replaceable 2stage filter element
- Rugged allweather housing
- Direct or remote mounting to machinery
- Two styles to suit any application
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Inline Oil Mist Coalescers
Use this document to explore the specifications about Inline Oil Mist Coalescers.
- An assortment of materials to meet your unique application. Available in carbon steel, 304, 316,304L, 316L, aluminum, and a variety of lined vessels.
- Heavy-duty all-welded construction for maximum durability.
- Wide range of connection sizes and types available to match your existing piping.
- High quality element construction allows for multiple cleanings for increased filter life.
- Low pressure drop designs allow for a longer running period between change-outs.
- All filter elements are available in a wide range of material and temperature designs to meet your unique application.
HEPA
The Graver Technologies HEPAfine® and ULPAfine® line of filtration products are designed to meet the stringent demands of critical environments in commercial, industrial, institutional and residential applications.
- High-Efficiency Filtration – HEPAfine® and ULPAfine® filters are designed to meet the stringent filtration requirements of critical environments, removing particles as small as 0.1-0.3µ, ensuring superior air quality in industries like pharmaceuticals, biotechnology, and electronics.
- Customizable Flow and Efficiency – These filters are designed with flexibility in mind, allowing adjustments in pleat pitch, pleat height, and media type to meet specific flow resistance and efficiency requirements, making them suitable for a wide range of applications.
- Durable and Robust Construction – Built with extruded aluminum frames and bonded pleat packs, HEPAfine® and ULPAfine® filters offer leak-free joints and enhanced durability, reducing the risk of air bypass and ensuring long-lasting performance.
- Advanced Media Technology – Graver Technologies uses high-performance media, including nano-fiber technology, composite media, and borosilicate microfibers, which provide superior filtration efficiency while minimizing extractables for critical applications.
PME™ Series
Graver Technologies' Gas Turbine Air Intake Filters are Pre-filters for gas turbine air intakes. Help to reduce operational costs and very easy change out.
- Protects primary filters from airborne particles and dust
- Patented turbine prefilter design
- Single piece design allows for prefilter change out during power generating mode
- The easy to use telescopic tool inserts the prefilter over the primary filters quickly and easily
- No Velcro®, no tape and no bands
- All seams are ultrasonic sealed, eliminating potential leak paths
- The prefilter has removal straps that will allow the prefilter to roll and keep the dirt and dust inside
- The product is available in a variety of sizes and shapes
LKV/HKV Series Vacuum Filters
The LKV and HKV Series filters offer a replaceable, cleanable element that features a pleated or "radial fin" cartridge design.
- Pleated, maximum area elements
- Low pressure loss design Large dirt holding capacity, longer operation between element changes
- Positive sealing, high vacuum capability
- Cleanable, reusable filter element
- Modified and custom designs available
LGS Series Compressed Air & Gas Filters
The LGS Series filters offer a high efficiency coalescing style element. Each model employs one or more replaceable element cartridges which provide positive gasket sealing.
- ASME Code design and constructed
- High flow rate capability
- Low pressure drop & long element life
- High temperature capability
- Economical replaceable cartridges
- Modified and custom designs available
- Design pressures from 180 psi to 1440 psi
- Contact Factory for higher pressure applications
AGS™ Series Compressed Air & Gas Filters
The AGS™ Series coalescing filters effectively separate oil, water, and other liquid aerosols from compressed air and gas lines.
- ASME Code design and constructed
- High flow rate capability
- Low pressure drop & long element life
- High temperature capability
- Economical replaceable cartridges
- Modified and custom designs available
- Design pressures from 180 psi to 1440 psi
- Contact Factory for higher pressure applications
Oil Mist Coalescers
Graver offers a wide range of standard filters. The cylindrical, multi-stage element removes the heavy concentrations of oil mist and oil smoke from the exhaust stream.
- An assortment of materials to meet your unique application. Available in carbon steel, 304, 316, 304L, 316L, aluminum, and a variety of lined vessels
- Heavyduty allwelded construction for maximum durability
- Wide range of connection sizes and types available to match your existing piping
- Flow capacities to 3000 SCFM to suit your application
- Low backpressure, for improved pump efficiency
- All filter elements are available in a wide range of material and temperature designs to meet your unique application
GTX™ Series
The GTX Series are in-line filters that are designed to remove solids from compressed air and gas streams.
- Suitable for air/gas and liquid applications
- Carbonsteel construction
- ASME Code designed and U stamped
- CE marked per pressure equipment directive (PED) 97/23/EC
Liquid Filters CPL Series
Filters for efficient removal of solid particulate in liquid pipeline applications.
- High flow rates
- Low pressure drop
- Maximum filter area and dirt holding capacity
- ASME Code designed and constructed
- Horizontal inline connections
- Modified and custom designs available
- Design pressures from 180 psi to 740 psi
Compressed Air & Gas Filters CP Series
The CP Series are in-line filters that effectively remove dust, dirt, pipe scale, and other solid contaminants from compressed air and gas pipelines. Standard and custom designs available.
- ASME Code designed and constructed
- Low pressure drop-low energy loss
- High flow rate capability
- Maximum filter area and dirt holding capacity
- Cleanable, reusable filter element
- In line connections
- Modified and custom designs available
- Design Pressures from 180 psi to 740 psi
- Contact Factory for higher pressure applications
Gas Turbine Air Intake Pre-Filters
Explore Graver Technologies Air Intake Elements and Prefilters.
- Durable and Efficient Protection – Designed to protect gas turbine air intake filters from dirt and airborne contaminants, extending the primary filter's life and reducing maintenance costs.
- Easy Installation – The pre-filters feature a one-piece design with thermally bonded seams, eliminating the need for glue and allowing for simple installation, even while the turbine is running.
- Quick Filter Change-Out – The patented removal strap design enables faster, cleaner, and more reliable pre-filter change-outs, significantly reducing labor costs and downtime.
- Versatile Applications – These pre-filters are also suitable for compressor applications and various industrial dust collection systems, providing widespread protection across different industries.
Compressed Air & Gas Filters / Separators
Use this document to explore Graver Technologies Conselor Ags Series Air & Gas Filter Separators.
- ASME Code design and constructed
- High flow rate capability
- Low pressure drop & long element life
- High temperature capability
- Economical replaceable cartridges
- Modified and custom designs available
- Design pressures from 180 psi to 1440 psi
Compressed Air & Gas Filters
Use this document to explore Graver Technologies industrial filtration products.
- Suitable for air/gas and liquid applications.
- Carbon-steel construction.
- ASME Code designed and U stamped.
- CE marked per pressure equipment directive (PED) 97/23/EC
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Nitric Acid Filters
Use this document to get information about precious metal recovery filters for nitric acid production.
- Offers extended service life
- Lower pressure drop
- Highly efficient filtration
- Maximize the reclaim amount of precious metals
- We provide the pleated packs with cage or to retrofit your existing cages and housings
- No adhesives or binders used in our patented design
Natural Gas Filters
Use this product specification document to get information about filters for natural gas transmission and distribution.
Vacuum Exhaust Filters
Graver Technologies' PME Series offers high-efficiency coalescing filters for removing oil mist and smoke from vacuum pump exhaust. These filters are effective in various applications, offering low pressure drop, long element life, and customizable designs to meet specific requirements.
- High-Efficiency Coalescing Design – The multi-stage design effectively coalesces oil mist and smoke, removing liquids and solids down to 0.3 µm at up to 99.95% efficiency.
- Durable Construction – The filter elements are made from ultra-fine fiberglass with metallic sleeves for structural support, ensuring long service life and minimal maintenance.
- Low Pressure Loss – At rated flow, the initial pressure loss is only 2.5 psi, with options for low-density elements that reduce pressure loss to 1 psi, suitable for applications requiring lower differential pressure.
- Oil Return and Recycling – The design includes a drainage system that collects coalesced oil for removal or recycling, reducing oil loss and enhancing efficiency.
- Customizable for Specific Needs – Filters can be customized to meet OEM specifications, including adjustments for separation efficiency, flow rates, and differential pressure levels.
- Versatile Applications – Ideal for use with rotary and reciprocating vacuum pumps, compressors, turbine oil sumps, and liquid tank reservoir vents, providing broad industrial application.
Vacuum Application
This document discusses vacuum systems and the importance of filtration in various industries, including packaging, chemical processes, food processing, and more. It highlights the key components of a vacuum system, the types of vacuum pumps, conductance, solid particles removal, and oil mist removal.
Turbine Intake Elements
Graver Technologies offers top-notch industrial gas filtration solutions. One standout product is the TPF pre-filter for gas turbine air intakes, boasting easy installation, quick change-outs, and cost savings.
Filter Replacement Elements
Explore Graver Technologies conselor replacement elements and element panels for industrial filtration products.
Natural Gas CP Series
The CP Series are in-line filters that effectively remove dust, dirt, pipe scale, and other solid contaminants from compressed air and gas pipelines. Standard and custom designs available.
- ASME Code designed and constructed
- Low pressure drop-low energy loss
- High flow rate capability
- Maximum filter area and dirt holding capacity
- Cleanable, reusable filter element
- In line connections
- Modified and custom designs available
- Design Pressures from 180 psi to 740 psi
- Contact Factory for higher pressure applications
Catalyst Recovery
Explore Graver Technologies' high-efficiency catalyst recovery with easy-to-use pleat packs, maximizing precious metal recovery and control.
Air and Gas Overview
Use this document to explore Graver Technologies Air and Gas Filtration products.
PLEKX® Filters
Graver Technologies' PLEKX Filters are highly uniform multi-layer composite media designed to capture particles and adsorb gases and odors.
- PLEKX® is a highly uniform composite media designed to adsorb gases and odors
- Available in bulk rolls, as pleated extended surface filters, flat sheet filters, or wrapped filters and a wide array of configurations
- Active ingredient >82% of the media by weight to maximize adsorption and performance
- Conventional adsorption product is coconut shell carbon, but can be boosted with chemical impregnations for higher efficiency in critical gas applications
- Flexible, yet nondusting
- Can be copleated with our HEPAfine® and ULPAfine® media to produce dualfunctional filtration to remove particulate AND odor/gases
- Considered a replacement for carbon beds
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OEM Custom Designed Filters
Use this document to explore information on HEPAfine® and ULPAfine® line of filtration products are designed to meet the stringent demands of critical environments in commercial, industrial, institutional and residential applications.
Liquid Liquid Coalescer Separator
Graver Technologies' Liquid-Liquid Coalescer/Separator efficiently removes water from hydrocarbons. The products are designed and constructed to meet various specifications, providing quality and short lead times.
Air Drying Application
Explore Graver Technologies' filters for compressed air dryers.
Vacuum Application
This document discusses vacuum systems and the importance of filtration in various industries, including packaging, chemical processes, food processing, and more. It highlights the key components of a vacuum system, the types of vacuum pumps, conductance, solid particles removal, and oil mist removal.
Suppression Pool Clean Up Filter
Use this document to explore our Suppression Pool Clean Up Filter Element, designed for nuclear power plant applications, ensuring efficient, long-lasting, and reliable filtration.
Oxygen Service Gas Filters for Ozone Generation and other applications
Use this document to get more information on oxygen gas filters for ozone generation and other applications.
Natural Gas Distribution Filters (CP-LT)
Use this document to retrieve information about CP-LT Filters for Natural Gas Distribution.
Natural Gas Filters
Use this product specification document to get information about filters for natural gas transmission and distribution.
HEPA
The Graver Technologies HEPAfine® and ULPAfine® line of filtration products are designed to meet the stringent demands of critical environments in commercial, industrial, institutional and residential applications.
- High-Efficiency Filtration – HEPAfine® and ULPAfine® filters are designed to meet the stringent filtration requirements of critical environments, removing particles as small as 0.1-0.3µ, ensuring superior air quality in industries like pharmaceuticals, biotechnology, and electronics.
- Customizable Flow and Efficiency – These filters are designed with flexibility in mind, allowing adjustments in pleat pitch, pleat height, and media type to meet specific flow resistance and efficiency requirements, making them suitable for a wide range of applications.
- Durable and Robust Construction – Built with extruded aluminum frames and bonded pleat packs, HEPAfine® and ULPAfine® filters offer leak-free joints and enhanced durability, reducing the risk of air bypass and ensuring long-lasting performance.
- Advanced Media Technology – Graver Technologies uses high-performance media, including nano-fiber technology, composite media, and borosilicate microfibers, which provide superior filtration efficiency while minimizing extractables for critical applications.
AGS™ Series Compressed Air & Gas Filters
The AGS™ Series coalescing filters effectively separate oil, water, and other liquid aerosols from compressed air and gas lines.
- ASME Code design and constructed
- High flow rate capability
- Low pressure drop & long element life
- High temperature capability
- Economical replaceable cartridges
- Modified and custom designs available
- Design pressures from 180 psi to 1440 psi
- Contact Factory for higher pressure applications
GTX™ Series
The GTX Series are in-line filters that are designed to remove solids from compressed air and gas streams.
- Suitable for air/gas and liquid applications
- Carbonsteel construction
- ASME Code designed and U stamped
- CE marked per pressure equipment directive (PED) 97/23/EC
Products
ZTEC™ P Series
ZTEC™ P Sterilizing Grade membrane cartridges are validated for complete bacterial retention to yield product sterility in biopharmaceutical final filtration applications.
- Manufactured in an ISO Class 7 Cleanroom Environment
- 100% flushed with ultrapure DI water
- Meets ASTM Standards for Sterility
- Repeatably Steamable/Sanitizable
- 100% Integrity tested prior to release
- Pore size, lot and serial number are stamped on each filter element for identification and traceability
- Complete validation guide available
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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.
- 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
QCR™ Series
An absolute rated filter designed to meet or exceed the minimum log reduction credit of >3.0 for cysts.
- 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
ZTEC™ WB Series
ZTEC™ WB cartridge filters use PES membrane to remove spoilage organisms and inorganic particulate to protect beverages.
- Manufactured in an ISO Class 7 Cleanroom Environment
- 100% flushed with ultrapure DI water and integrity tested
- Low adsorption of protein, color and flavor components
- Steamable/sanitizable for cleaning and reuse
- High log reduction values for spoilage organisms
- PES membrane provides high capacity contaminant loading
- Complete qualification guide available
- Quick wet treatment available
ZTEC™ G Series
This pleated, disposable filter element is constructed of absolute rated, hydrophilic, asymmetric polyethersulfone membrane with extended filter area.
- 7.0 ft2 (0.65 m2) of membrane surface area per 10" element — High throughput, longer online service reduces costly maintenance time
- Absolute rated membrane from 0.1 to 0.65 μm
- Manufactured in an ISO Class 7 cleanroom environment
- 100% flushed with 18 MΩ cm DI water and gross integrity tested
- Fixed pore construction eliminates dirt unloading as differential pressure increases
- Low extractables
ZTEC™ E Series
The ZTEC™ E microelectronics grade cartridges by Graver are designed for ultrapure water filtration, and are hydrophilic and free of added surfactants to avoid contamination of water streams.
- Manufactured, flushed, tested and packaged, in an ISO Class 7 Cleanroom Environment
- Filters are 100% flushed with 18 MΩcm DI water and integrity tested
- Resistivity rinse up to 18 MΩcm and single digit ppb TOC levels with minimal throughput
- Available in a variety of end cap/adapter configurations to fit all industry standard housings
- Pore size, lot and serial number are stamped on each filter element for identification and traceability
- Complete qualification guide available
ZTEC™ B Series
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.
- Manufactured in an ISO Class 7 Cleanroom Environment
- 100% flushed with ultrapure DI water and integrity tested
- Repeatably steamable/sanitizable
- High retentions up to 107/cm2 challenged for bacteria and yeast
- Pore size, lot and serial number are stamped on each filter element for identification and traceability
- Complete qualification guide available
WaterTEC™ Series
The WaterTEC™ filter series is constructed of absolute rated, hydrophilic, asymmetric polyethersulfone membrane and polypropylene components.
- Low pressure drop reduces energy costs
- High dirt holding capacity minimizes changeouts and down time
- All thermal bonded construction with no adhesives
- Available in all common configurations to allow use of existing filter housings
- Cost effective absolute filtration
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