ErtelAlsop, USA 
Heraeus Noblelight, GmbH 
Ionpure, USA 
Knappe Composites, France 
Parker Hannifin, USA 
Nakao Filter Media, Japan 
Tacmina Co. Ltd. , Japan 
Bag Filters 
Cartridge Filters 
Centrifuge Bags 
Dosing Pumps 
Dust Collector Bags 
EDI 
Filter Cloth 
Filter Housings 
Filter Pads 
Filter Paper 
Filter Presses 
Infra Red 
Lenticular Filters 
Pressure Vessels 
Welcome to Geofluid Processors !
Ertel Alsop Products
Lenticular Filter Cartridges (Pak®)
ErtelAlsop Pak® filters are made with high quality filter media, polypropylene, and stainless steel. This makes them compatible with most products and applications within the pharmaceutical, chemical, cosmetic, electric utility and food & beverage
Specifications and Features

•   High efficiency filter media-0.25 to 15 microns nominal; plus, Zeta-Potential enhanced removal
•   Materials of construction-filter media, polypropylene or stainless steel with choice of gasket material
•   Media Formulations-100% cellulose, cellulose with filter aid and wet strength resin, cellulose with filter aid and activated carbon with wet strength resin
•   Low extractables •   Enclosed filtration system-housing available in sanitary, industrial or ASME code design
•  Steam sterilizable-ErtelAlsop’s unique design and media formulation allow for steam sterilization. (Recommended steaming procedure)
•  Scalable--Lab--Pilot--Production-using ErtelAlsop depth media, your filtration system can be scaled from lab all the way to production.

Available Products

Zeta-PAK®
The Zeta-Pak®, ErtelAlsop’s depth filter cartridge for pharmaceutical processing.

ZetaDri-Pak®
The ZetaDri-Pak® is available in all grades of ErtelAlsop media and can be utilized in various applications where water is a problem.

Disc-Pak®
The Disc-Pak® cartridge is specially formulated for the precise filtration of liquids in the light to medium viscosity range.

Bio-Pak®
The new Bio-Pak® is ErtelAlsop’s double-O-Ring lenticular depth filter cartridge.

AquaKv-Pak®
The AquaKv-Pak® was specifically designed and developed for the retention of water contamination in transformer and turbine lube oils along with the retention of particulate down to the sub-micronic level.

Sak-Pak®
The Sak-Pak® is a Fullers Earth or Activated Carbon containing filter element developed by ErtelAlsop as a clean, cost-effective, simple alternative to the traditional means of cake filtration.

 
Filter Pads Top

ErtelAlsop has been manufacturing cellulose based depth filter pads, or sheets for a wide range of applications in the pharmaceutical, chemical, cosmetic, electric utility and food & beverage markets since 1920.
By using a unique blend of cellulose pulp and various filter aids, ErtelAlsop is positioned to offer the widest variety of filter media grades available.

Specifications and Features

Materials of Construction
Cellulose wood pulp, Perlite, Diatomaceous Earth, Activated Carbon, and Wet Strength Resin.

Depth Particle Retention

From 15 microns nominal down to 0.25 microns nominal with the ability to retain smaller than 0.25 micron particles.

Sizes Available
Over 300 precision dies are available to fit virtually any filter press.

High Solids Loading
Filter pads provide high solids loading due to the large internal surface area and void volume present within the matrix of fibers and filter aid which comprise the filter pad. This extends filter life and provides greater throughput.

Available Products
• Alpha-Media™ Filter Pads  
• Alpha-Media™ L Series Filter Pads                                         
• Micro-Media® L Series Filter Media                                         
• Micro-Media® XL Series Filter Pads
• Micro-Media® LXL Series Filter Media
• Micro-Clear™ Carbon Filter Pads                                           
• Pharmaceutical Grade Filter Pads
 
Filter Papers Top

ErtelAlsop offers the widest variety of high quality specialty filter paper available. From laboratory to full-production, we can supply the best product for your liquid filtration application. ErtelAlsop can now offer Pharmaceutical Grade Filter Paper, specifically for use in critical applications.

Specifications and Features

•  Smooth or creped surface
•  Bleached or unbleached
•  Wet strength resin or 100% cellulose
•  Available to fit virtually any filter
•  Retention ranges from 1 micron to 100 microns
•  All raw materials are listed as safe for contact with foods and/or pharmaceuticals

Available Products

•  2000 Series: Unbleached, smooth, cellulose, wet strength resin
•  3000 Series: Unbleached, smooth, 100% cellulose
•  4000 Series: Unbleached, creped surface, cellulose, wet strength resin
•  5000 Series: Unbleached, creped surface, 100% cellulose
•  6000 Series: Bleached, smooth, cellulose, wet strength resin
•  7000 Series: Bleached, smooth, 100% cellulose
•  8000 Series: Bleached, creped surface, cellulose, wet strength resin
•  9000 Series: Bleached, creped surface, 100% cellulose

 
Filter Cloth Top

ErtelAlsop can provide a wide variety of Polypropylene, Nylon, Polyester, Cotton, Felt, and TYVEK, filter cloth for your exact application.

Note: Please contact us directly for assistance in determining what is best for your specific requirements.

 
Filter Plates Top

ErtelAlsop filter plates are available in a full range of sizes, types ranging from recessed chambers, caulk & gasketed recessed chambers, flush plate and frame, Quadra-Lok® flush plate & frame, membrane squeeze, lug, and BioClean™, and materials, including 316SS, Polypropylene, Aluminum, and Cast Iron. Plates are available for any manufacturer’s filter press.

 
Pak® Housing Top

The lenticular cartridge format was invented by Alsop Engineering in the 1940s. With its totally enclosed design, it is the perfect alternative to the plate and frame filter press. Housings are 12” or 16” in diameter, and include designs for flat gasket or double-O-ring cartridges.
For industrial applications, we offer a top loading design, which can be loaded and reloaded with Paks® by a single operator. The sanitary design, or Pharma-Pak® housing, is equipped with a domed cylinder, which is easily removed and can be offered in sections to eliminate the need for an overhead hoist.

Specificationa and Features
Materials of Construction:
Carbon Steel
304 Stainless Steel
316 Stainless Steel
316L Stainless Steel
Polypropylene
Fiberglass Reinforced Polypropylene

Available filtration Area: 0.6 to 13.7 m² (6.7 to 144 ft²) per single housing
Orientation: Vertical or Horizontal
Designs: Sanitary, Standard Industrial, Flanged, Flanged ASME Code, Horizontal Flanged with hinged cover

Available Products

•  The ErtelAlsop Double O-Ring System: The ErtelAlsop Double O-Ring Pak® System consists of our Pharma-Pak® highly polished stainless steel double O-ring housing used in conjuction with our Bio-Pak® double o-ring lenticular cartridge.
The typical housing can hold up to four 12-inch or 16-inch diameter Pak cartridges in a vertical configuration.
•  12UF Pak® Filter Housing Series: The ErtelAlsop 12UF Pak® Filter Housing Series is specially designed for use in the electric utility industry.
 

Plate & Frame Filter Presses

Top

These are used in Pharmaceutical, chemical, cosmetic, food & beverage, and electric utility application areas. ErtelAlsop offer application specific filter designs, in stainless steel or polypropylene, with unique features for flow rates ranging from large volumes to pilot plant and laboratory scale.
All ErtelAlsop plate and frame filters are manufactured using our superior internally ported design.

Available Products

•  Letre 900 and 800 Filters
These units can accommodate up to 120 filter pads, providing a filtration area up to 930 sq. ft. (86.4 m²)

•  Letre 600 and 604 Filters
These large volume, 24 in. sq. (60 cm), plate and frame filter presses are designed to accept up to 100 filter pads, providing a filtration area of up to 319 sq. ft. (29.64 m²)

•  EUS-400 Series Filters
It can accept up to one hundred 16 in. sq. pads providing up to 142 sq. ft. (13.2 m²) of installed filter area.

•  2HS and 2HS-B Filters
They accept up to 40 filter pads and provide up to 25 sq. ft. (2.3 m²) of installed filter area.
Model 2HS is cart mounted and is available with a 40 pad capacity expansion option. Model 2HS-B is mounted on a floor level dolly and has a filter pad capacity of up to 12 pads.

•  BioClean™ Filter Plates
Designed to meet rigid cleaning validation standards, optional BioClean plates are ideal for all sanitary and ultra-clean depth filter applications. The BioClean™ filter plate assembly consists of a frame and two screen section.

 

Vapor-Master® Enclosed Plate & Frame Filter Presses

The ErtelAlsop Vapor-Master® enclosed plate and frame filter press permits filtration of harmful fluids in completely sealed, vapor-tight environment for both venting and the safe disposal or recovery of filtrate or cake residue.

Specifications and Features

Protect personnel from contact with:

Hazardous solvents
Volatile liquids
Odorous liquids
Choking vapors
Noxious fumes
Hot liquids

Available Products

•  Vapor-Master® 400 Series-16”: Designed for capacities up to 50 GPM
•  Vapor-Master® 600 Series-24”: Can be supplied with, up to 216 sq. ft. of filtration area and 14.5 cu. ft. cake volume.
•  Vapor-Master® 800 Series-33”: Recovery or disposal of spent cake is one feature of the larger Vapor-Master®

 

EA Series Line of Recessed Chamber/Membrane Squeeze Plate Filter Presses

EA Series Filter Presses are among the most efficient means of liquid/solid separation through pressure filtration; either for solution filtration or sludge volume reduction providing a total concentration of 25-60%.
These presses feature t-slotted sidebars, and fast-acting hydraulic systems, with manual, semi-automatic, and fully automatic PLC controls.
The EA Series Line is available in six different sizes for solids handling ranging from 0.5-300 cubic feet.

Available Products

•  Model EA 470 and EA 630
•  Models EA 800 and EA 1000
•  Models EA 1200 and EA 1500

 

Laboratory Filters

The Cylinder-Type series is for use in laboratories.
The AccuScale™ series for industrial applications
The PharmaScale™ series for pharmaceutical and biopharmaceutical/ biotech applications

Available Products

ErtelAlsop’s Diamond Series™ (patent pending ) filter press combines the latest weld-free construction technology with the most revolutionary plate and frame design concept in recent history.
The Diamond Series eliminates the problem of hold up volume maximising the yield of viable liquid.

Currently available in 4-inch, 8-inch or 12-inch designs, these internally ported filters provide the ultimate in flexibility. Diamond Series filter presses eliminate the need for gaskets entirely.

The PharmaScale™ and AccuScale™ Series
•  1S
•  4S & 8S
• 
E-1

 
Mixers

Sizes range from 1/4 to 3 horsepower and meet requirements for blending light liquids below 500 CPS as well as viscous fluids up to 10,000 CPS; many powders, pulps and fibrous materials can also be blended economically with ErtelAlsop modular mixers.

Available Products

Turbine Mixers: XCEL-3 to 10 Series mixers are available with pumping rates up to 54,000 GPM and utilize standard industry motors up to 25 HP.
Typical applications include oil mixing in food storage and flocculation in water treatment.
Side Entering Units: Applications where headroom is lacking for use in tanks too deep for top entering units
Inline Static Mixers: For flow rates up to 55,000 GPM, viscosity up to 100,000 CPS & pressure upto 1500 PSI.

 
 
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