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Filtration Equipment
Dollinger
Compressor and Blower Air Intake Filtration Systems
Compressed Air System Coalescer and Particulate Filters
Liquid Filters and Mist Eliminators
Donaldson Ultrafilter
HYDAC Backwash Filter Systems
Process Filtration Equipment
Sentry
Process Filtration Equipment
Donaldson Ultrafilter
Provides process filtration solutions for gases and liquids wherever they come into contact with the product during manufacturing.
The target: maximum purity standards up to and including sterilization where quality requirements are exceptionally high. Gases and liquids free of impurities, aggressive particulates, oil vapors, hydrocarbons, bacteria and viruses.
Markets include: chemical, biological, pharmaceutical, electronics, food & beverage, paint, packaging, air, gas and water filtration.
Processes include: pre and submicron filtration of air, gas, water and other liquids; Sterile filtration of compressed air, gases and liquids; Vent filters; Ultrapure gas filters and culinary steam.
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 cm. The housing itself is electro-polished to a finish of Ra 0.8.
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.
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.
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-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.
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 cm 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.
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 cm nominal (P-PP) and 0.45-40 cm absolute (P-PP-100).
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 cm. All components of the Ultrabev element meet FDA requirements for contact with food.
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 cm. 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 cm are available.
Ultrex® P-GS Process Filter ElementUltrex 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 cm are available.
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.
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 cm. 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 cm 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 cm. All components of the P-PF-PT element meet FDA requirements for contact with food.
HYDAC Backwash Filter Systems
HYDAC AutoFilt® RF3 and RF4 Automatic Self - Cleaning Filter Systems are designed for continuous maintenance free filtration for all major manufacturing and process industries. These systems perform the removal of solid contaminants from low viscosity fluids such as water and machine tool coolants. The 316 stainless steel filtration elements are unique in design with a conical shape for "isokinetic" filtration and cleaning to ensure maximum filtration time between element cleaning and then excellent cleaning ability because of the element design.
Series RF-3
- Flow rates 20 to 31,000 GPM
- ANSI flanges 2" to 36"
- Filtration rating 20 to 3,000 microns
- Pressure to 150 PSIG and ASME vessel available
- Controls either electric or pneumatic
- Construction carbon steel 316 stainless
- Special coatings, lines and material of construction are available
Series RF-4
- Small point of use 40 to 250 l/min
- 50 to 1,000 microns
Sentry Mist Eliminators for Compressed Air
The Sentry Mist Eliminator is designed for high liquid water/ oil loads in compressed air. Conventional mist eliminators and coalescers are designed for 50 to 200 PPMw and are often overloaded resulting in poor performance, high pressure drop and short filter element life causing higher utility and maintenance costs. Key to performance and service life is the "ConSentry" nested filter element design or what we call a filter with in a filter. The element design allows for a shorter vessel height making maintenance much simpler for element replacement. Other benefits of the Sentry design:
20 models for flows from 370 SCFM to 23,000 SCFM and standard pressures to 165 PSIG
99.5% removal of liquids up to 30,000 PPMw water / oil load on filter inlet.
100% particulate removal 3 microns and greater.
99.5% particulate removal less tan 3 microns down to .01 microns.
Extremely efficient pressure drop for energy savings < 1 PSID for element life.
Element life projected to be 10 years or greater.
Carbon steel or stainless construction available with 1/16? corrosion allowance as standard.
Other options available such as high pressure, special painting, coatings and other options.
Compressor and Blower Intake Air Systems
Dollinger manufactures a line of standard compressor and blower intake air systems. Custom designed systems are also available. IPS works with you to design and select air intake systems that are both cost-effective and offer the necessary level of protection. Intake air systems remove dirt, dust and other particles from intake air before it can inflict internal damage to expensive compressors and blower systems.
AI-128-V Two Stage Air Intake Systems 
Dollinger’s AI-128-V is a two-stage filtration system that offers maximum protection. Systems can be sized to meet nearly any scfm requirement. AI-128-V systems use VE-157 panel pre-filters and MVP 502 panel final filters.
VE-157 – Extended surface area panel filters. VE-157 panel filters are 2’’ deep compared to most competitive panels that are only 1½’’ deep. VE-157 panel filters can be cleaned with low-pressure water (<30 psi) and reused after being properly dried.
MVP 502 final panel filters feature a proprietary water resistant fiber glass medium. MVP 502 panels remove 99.97% of particles 2µm and larger. The standard size is 24’’ x 24’’ x 11½’’ MVP 502 panels are capable of flow rates to 3000 scfm; a 20% capacity increase compared to standard panels.
AI-187-V Single Stage
Dollinger manufactures 18 standard AI-187-V models to meet flow ranges from 3,000 to 72,000 scfm. AI-187-V air intake systems feature rugged housings designed for outdoor installations. Weather-hoods are provided as standard equipment and all surfaces are painted with blue hammertone enamel for durability. AI-187-V air intake systems come with panel elements that provide 99% retention of particles 10µm and larger.
Panel size: 24’’ x 24’’ x 2’’ nominal
Panel element flow capacity: 3000 scfm
Panel frame is galvanized
Filter medium: polyester
StayNew Spin Filters
Dollinger StayNew spin filters protect compressors and blowers from large contaminants. StayNew spin filters work best in extremely dirty environments where contaminant loading is a problem for conventional air-intake filtration. StayNew can operate between –40°F to 200°F and is safe for food service (21 CFR 177.1520). StayNew spin filters remove 98% of solid particles 15µm and larger from an air stream.
Model VE-616-1220 twin module is nominally rated at 1450 scfm. Flow rates to 2800 scfm
Model VE-616-1210 rated capacity of 725 scfm
Compressed Air System Filters
GP-146 Particulate Filters
Dollinger GP-146 particulate filters remove final traces of dirt and other particulate from compressed air streams. Filter elements are designed to maximize effective filtration area, while delivering low differential pressure and long service life. Features include:
Filter housing: ASME VIII, Division I Pressure Vessel
Materials of construction: carbon steel and stainless steel
Radial fin filter element. Filter integrity ensured to a 50 psid differential pressure
Media: An extensive range of synthetic and natural fibers are available
Filter elements can be cleaned and re-used
GP-198 Coalescing Filters
Dollinger GP-198 coalescing filters are optimized for use in compressed air or gas streams. GP-198 coalescers remove entrained oil, waster mist, and other liquids and solid particles. Features include:
Filter housing: ASME VIII, Division I Pressure Vessel
Materials of construction: carbon steel and stainless steel
Convolute design provides a large coalescing / filtration surface area
Media: Multi-layer borosilicate glass fiber and a pre-filter layer supported by screen both upstream and downstream
Liquid Filters and Mist Eliminators
LL-142 Liquid Filters 
Dollinger LL-142 liquid filters are designed to provide the best filtration area for a given vessel size unlike conventional multiple cartridge filters. In addition to Dollinger’s standard range of filters customized filter designs are available. Features include:
Filter housing: ASME VIII, Division I Pressure Vessel
Materials of construction: carbon steel and stainless steel
Media available: synthetic fibers, natural fibers, and stainless steel mesh
Mist Eliminators
Mist eliminators can replace coalescer filters in both lube oil systems and compressed air systems. A mist eliminator takes full advantage of Brownian motion with its laminar flow design. A mist eliminator removes up to 99.5% of all particulate from a compressed air or lube oil vent stream. Advantages of mist eliminator compared to a traditional coalescer filter include:
Low pressure drop (0.5 psi "wet") reduces operating costs
Long Element life nearly eliminates filter maintenance (up to 10 year filter life)
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