Citadel®

Air & Gas Filter Products

Ion Exchange Products

Power Generation Filters

Graver Technologies produces cost-effective solutions for high-efficiency air and gas filtration for medical, environmental, commercial, and industrial applications. From removing exhaust smoke and odor to protecting rotating equipment including vacuum pumps, turbines, and compressors, to coalescing and particle capture in natural gas, we have been providing custom filtration solutions to the industry for over 50 years.

Industrial filters

Vacuum Pump Filters

Vacuum Exhaust Filters

PLEKX® Filters

OEM Custom Designed Filters

Nitric Acid Filters

Natural Gas Filters

HEPA Filters

Gas Turbine Air Intake Prefilters

Compressed Air & Gas Filters / Separators

Compressed Air & Gas Filters

Absorbent Media

Graver Technologies provides cost-effective and technically superior adsorbent technologies to remove heavy metals or other organic and inorganic contaminants from drinking water, sugars, active pharmaceutical ingredients (API), and other processes or products. The specifically formulated suite of adsorbent media offers high capacity and excellent kinetics for the removal of low concentrations of impurities.

MetSorb Absorbent Media

Ecosorb Multi-Functional Absorbent Media

Water Treatment

Pharmaceutical

Crossflow Tubular Membrane

Graver Technologies' crossflow filtration technology is used in demanding applications where extreme process conditions or difficult feed streams make other separation methods unsuitable. The cross-flow systems have been proven especially effective for high solids or very viscous fluids, or where processing must be done at elevated temperatures and/or pressures, or pH extremes.

Scepter

Scepter Tubular MF and UF Modules

Graver Technologies designs, engineers, and manufactures an extensive line of liquid filters, filter cartridges, and housings to provide high-performance and cost-effective solutions for a wide array of applications in the food and beverage, chemical, industrial, microelectronics, and healthcare markets. The liquid process filters are available in a wide range of media types, cartridge designs, micron ratings, and configurations to optimize the filtration process.

Depth Filters

Pleated Filters

Membrane Filters

Specialty Filters

Filter Housings

Ion Exchange Products

Graver Technologies provides the know-how and ability to modify ion exchange media (mechanically and chemically) for the removal of trace containments for demineralizing and purifying condensate and other high-purity water streams in power generation. Our ion exchange resin products including Ecodex, Gravex, Powdex, and Radex continue to set the industry’s pace in ion exchange resin purity and performance.

Selective Radionuclide Reduction

Nanodex™ IX Filter Papers

Powdex® Precoat Products

Ecocote® Inert Fiber Products

Gravex® Bead Resins

Gravex®

Ecodex® Premix Powdered Resins

Radex®

TurboGuard® RF Series

DualGuard® I Polishing Septa

AFA® Pleated Septa

Aegis® Precision Wound Septa

Aegis® PowerGuard® Stainless Steel Septa Under Drains

Aegis® PowerGuard® Septa

Power Generation Filters

Graver Technologies is the leader in the design, manufacturing, and application of specialty precoatable and back washable septa for power generation used alone or in combination with ion exchange. As the world’s largest supplier of condensate system filters and components, Graver Technologies has been manufacturing precoat and non-precoat septa for condensate systems for more than 50 years.

Condensate Polishing Filters

Industries We Serve

Air Purification/OEM

Custom/OEM Applications

OEM/Replacement Industrial Filters

Air Purification

Food & Beverage

Food & Beverage Applications

Healthcare

Healthcare Applications

Additives/Extracts

Biotech / Pharmaceutical

Cosmetics and Topicals

Industrial

Industrial Applications

Microelectronics Applications

Chemical/Petrochemical

Deep Well Injection

Fine Chemicals

HEPA Filters Application

Industrial Wastewater

Microelectronics

Chemical Mechanical Planarization

Chemical Vapor Deposition

Power Generation

Power Generation Applications

Chemical and Volume Control System

Analytical

Condensate Polishing

Fuel Pool

Gas Turbine

Liquid Coalescers / Separators

Make-up Demineralizers

Reactor Water Cleanup

Stator Cooling

Steam Generation

Water Treatment

Water Treatment Applications

Reverse Osmosis (pre/post)

About us

Careers

Graver Technologies offers competitive compensation, a comprehensive array of benefits,and the opportunity to work within a dynamic company.

Company Overview

Graver Technologies is part of Marmon Holdings, Inc – A Berkshire Hathaway Company – an international corporation with more than $8 billion in annual sales. Around the corner or around the world, Graver Technologies is a fast-growing company with the technical resources and financial strength that make us the perfect partner for your business.

Our History

Graver Technologies boasts a long history of providing innovative technology based products and excellent customer service. The company was founded in 1866 in Lima, Ohio and in those early days, the product focus was a hot process softener used as a demineralizer for steam locomotives.

Management Team

Graver Technologies is a fast-growing company with the technical resources and financial strength that make us the perfect partner for your business.

Our Locations

Graver Technologies is a fast-growing company with the technical resources and financial strength that make us the perfect partner for your business.

Parent Company

Marmon Holdings, Inc., part of Berkshire Hathaway Inc., is a global industrial organization comprising more than 100 autonomous manufacturing and service businesses.

Association Links

We have associations with WaterReuse Association, WQA (Water Quality Association), SPRI (Sugar Processing Research Institute Inc.) and more

Product Finder

Downloadable Resources

Liquid Process Filters

Looking for more information on Graver’s products? In the resources center, you can visit our library of product data sheets, product specifications, and safety data sheets to get all the answers you need.

Technical Brief/ Case Studies

Product Literature

Utility Filters

Power Generation Underdrain

Condensate Polishing Filters

Ion Exchange

Product Specification

Safety Data Sheets

Adsorbents

Technical Brief/ Case Studies

Product Literature

Safety Data Sheets

Air & Gas Filters

Technical Brief/ Case Studies

Crossflow Membrane

General Info

Products

Air & Gas Filter Product

Industrial filters

Vacuum Pump Filters

Vacuum Exhaust Filters

PLEKX® Filters

OEM Custom Designed Filters

Nitric Acid Filters

Natural Gas Filters

HEPA Filters

Gas Turbine Air Intake Prefilters

Compressed Air & Gas Filters / Separators

Compressed Air & Gas Filters

Absorbent Products

MetSorb Absorbent Media

Ecosorb Multi-Functional Absorbent Media

Water Treatment

Pharmaceutical

Crossflow Membrane Products

Scepter

Scepter Tubular MF and UF Modules

Liquid Process Filters

Depth Filters

Pleated Filters

Membrane Filters

Specialty Filters

Filter Housings

Ion Exchange Products

Selective Radionuclide Reduction

Nanodex™ IX Filter Papers

Powdex® Precoat Products

Ecocote® Inert Fiber Products

Gravex® Bead Resins

Gravex®

Ecodex® Premix Powdered Resins

Radex®

TurboGuard® RF Series

DualGuard® I Polishing Septa

AFA® Pleated Septa

Aegis® Precision Wound Septa

Aegis® PowerGuard® Stainless Steel Septa Under Drains

Aegis® PowerGuard® Septa

Power Generation

Condensate Polishing Filters

Product Finder

Industries We Serve

Industries we serve

Air Purification/OEM

View All

Air Purification

OEM/Replacement Filters

Food & Beverage

Healthcare

Biotech / Pharmaceutical

Cosmetics and Topicals

Industrial

Chemical/Petrochemical

Deep Well Injection

Fine Chemicals

HEPA Filters Application

Industrial Wastewater

Microelectronics

Chemical Mechanical Planarization

Chemical Vapor Deposition

Power Generation

Chemical and Volume Control System

Condensate Polishing

Fuel Pool

Gas Turbine

Liquid Coalescers / Separators

Make-up Demineralizers

Reactor Water Cleanup

Reverse Osmosis (pre/post)

Wastewater

Where to buy

Download Center

Liquid Process Products

Utility Filters

Ion Exchange Products

Absorbent Products

Air & Gas Filter Product

Cross Membrane Products

About Us

MetSorb® Calculator Login

Distributor Login

Contact

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Citadel®

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Citadel®

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.

support literature

Citadel® Series