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Process & Specialty Liquid Filters

Donaldson Ultrafilter provides process filtration solutions for gases and liquids wherever they come into contact with the product during manufacturing. Applications include chemical, biological, pharmaceutical, electronics, food & beverage, paint, packaging, air, gas and water filtration. Where quality requirements are exceptionally high, Donaldson Ultrafilter offers a selection of process filters that enable you to reach the maximum purity standards required by your process.


Food and beverage products

…require specialized, high purity filtration. Stainless steel components, high purity media, and sanitary filtration are vital for process gases, steam, and liquids. Donaldson offers a full range of process filtration elements, available in a wide variety of materials, micron ratings and end styles to match the specific requirements of your process in Donaldson brand or other existing filter housings. The new Donaldson Process Filters: Food & Beverage brochure outlines the complete line of filtration products.


P-EG Industrial Quality Stainless Steel Housing for Gases (35-15,360 scfm)

P-EG stainless steel filter housings offer low differential pressure and high flow rates in 18 different sizes. Modular design allows for the use of any one of a number of element types specific to the needs of the application. P-EG housings are typically used to filter technical gases and compressed air in high purity applications.


PF-EG Sanitary Quality Stainless Steel Housing for Liquids (1.5-360 gpm)

PF-EG sanitary quality stainless steel housings have been developed to purify liquids in the pharmaceutical, biotechnology and chemical industries. The housings are equipped with clamp connections and have a surface finish of Ra 0.8. Both the lower condensate drain and upper de-aeration ports are sealed with pharma valves. Multiple element styles are available for specific applications.


P-KG Plastic Filter Housing (10-20 gpm)

P-KG plastic filter housings are an economical solution for liquid filtration. P-KG filters are used in the photo, food, chemical and electronic industries. Robust construction protects the filter from shock and vibration damage.


P-SLF-Box Filter (18-566 scfm)

The P-SLF-Box filter system provides a steady stream of sterile air for continuous purging of storage tanks or other areas requiring an aseptic atmosphere. The system consists of a prefilter, blower and after filter contained in a stainless steel cabinet. The unit can be mobile or stationary and can be steam cleaned.


®Ultramesh P-SM Process Filter Element

Ultramesh P-SM filter elements consist of an inner mesh, outer guard and end-caps all made of stainless steel. Particle retention rates from 5-250 μm are available, and P-SM elements can be regenerated in an ultrasonic bath or through back flushing. Heavy-duty construction makes P-SG elements suitable for high viscosity liquid filtration.


®Ultrabev P-PF-BEV Process Filter Element

Ultrabev P-PF-BEV filter elements have been developed specifically for applications within the food and beverage industry. The filter media is a polyethersulfone membrane surrounded by a polypropylene casing with absolute retention rates from 0.2-0.45 μm. All components of the Ultrabev element meet FDA requirements for contact with food.


®Ultrapolymem P-PF-PP Process Filter Element

Ultrapolymem P-PF-PP filter elements are 100% polypropylene and are suitable for use in the filtration of solvents, alcohols, chemicals and gases. The filter media is pleated polypropylene surrounded by a polypropylene outer guard. Absolute particle retention rates from 0.04-0.2 μm are available.


Ultradepth II® P-SRF and P-BE Process Filter Elements

Ultradepth II P-SRF and P-BE filter elements are constructed with binder-free borosilicate depth media with inner and outer stainless steel support cores and stainless steel end caps. They have particle retention rate of 99.99998% (P-SRF) and 99.999% (P-BE) at 0.01 μm. All components of the P-PF-PT element meet FDA requirements for contact with food.


®Ultrapure R-EG Stainless Steel Housing (0.5-7 scfm)

Designed specifically for the semiconductor industry, Ultrapure R-EG 316L stainless steel filter housings, when used in conjunction with R-TF elements, will purify technical gases such as oxygen, nitrogen, argon and helium to an absolute particle retention of 0.01 μm. The housing itself is electro-polished to a finish of Ra 0.8.


PG-EG Sanitary Quality Stainless Steel Housing for Gases (4.5-1,620 scfm)

PG-EG sanitary quality stainless steel housings have been developed for purification of compressed air and technical gases in the pharmaceutical, biotechnology and chemical industries. Both the lower condensate drain and upper de-aeration ports are sealed with pharma valves. PG-EG housings can be fitted with different elements specific to the needs of the application. The housings are electro-polished to a finish of Ra 0.8.


P-BE Stainless Steel Vent Filter

P-BE stainless steel vent filters are used to ensure 100% sterility in the storage of pharmaceutical, food, chemical and other products. The two-piece housing incorporates splash protection to protect the filter element from liquid contact and is available in 12 different sizes.


UFTD Capsule Filter (0.1-3 gpm; 0.1-6 scfm)

UFTD capsule filters are ideal for filtration of small volumes of liquid or gas in critical applications. The durable polypropylene housing and selected filter media are suitable for food applications and can be sterilized several times. The housing is thermally sealed, eliminating the need for any form of adhesive. Molded-in ports allow for venting, draining or product sampling.


®Ultrapolydepth PP-TF Process Filter Element

Ultrapolydepth PP-TF filter elements remove particulates from liquids with available retention rates from 1-50 μm. The element consists of pleated polypropylene media surrounded by a polypropylene outer guard. PP-TF elements have a very high particulate holding capacity while maintaining a low differential pressure across the element.


Ultrapolyplea® P-PP and P-PP-100 Process Filter Elements

Ultrapolyplea P-PP and P-PP-100 all polypropylene filter elements are an economical solution for filtration of aqueous solutions, water and gases with available particle retention rates from 0.1-30 μm nominal (P-PP) and 0.45-40 μm absolute (P-PP-100).


®Ultrasulfomem P-PF-PES Process Filter Element

Ultrasulfomem P-PF-PES filter elements have been designed for sterile filtration of aqueous solutions of water and solvents. The filter media is a polyethersulfone membrane surrounded by a polypropylene casing with absolute retention rates from 0.04-0.6 μm. All components of the Ultrasulfomem element meet FDA requirements for contact with food.


®Ultrateflomem P-PF-PT Process Filter Element

For aggressive solvents, chemicals and gases, the Ultrateflomem P-PF-PT element has been developed with pleated PTFE membrane filter media. All components of the P-PF-PT element meet FDA requirements for contact with food. Absolute particle retention rates from 0.1-1 μm are available.


®Ultrex P-GS Process Filter Element

Ultrex P-GS sintered stainless steel filter elements have been developed for removal of particulates from gases, liquids and steam. P-GS elements are fully regenerable. Retention rates from 1-25 μm are available.