RF-UF-SRF

RF-UF-SRF Sterile Depth Filter

For process air & technical gases

Overview

The RF-UF-SRF is a wound depth filter with inner and outer guard end caps made of stainless steel. Consisting of a three-dimensional borosilicate depth media, it achieves a void volume of 95%, ensuring high containment capacity at high flow rates and low differential pressure. An absolute retention rate of >99.99998% related to 0.2 µm is achieved during operation. All components meet FDA requirements for food contact (21 CFR) and EC/1935/2004. The RF-UF-SRF is guaranteed for 200 sterilization cycles without loss of integrity.

Features & Benefits

Non-fiber releasing filter element

Manufactured without chemical additives or binders

cGMP compliant, manufactured according to DIN EN ISO 9001

Passed USP XX Class VI toxicological test

Absolute retention rate 99.99998% at 0.2 µm

LRV >7/cm² for viruses and phages

200 sterilization cycles guaranteed

Available in 13 standard sizes

Integrity testable with DOP test (HIMA method)

Technical Specifications

Parameter	Value
Absolute retention rate	99.99998% at 0.2 µm
Bacterial retention (LRV)	>7/cm²
Temperature range	-20°C to 200°C
Max. differential pressure	5 bar
Filtration surface (10" element)	494 cm²
Sterilization cycles	200 (in-line steam)
Steam sterilization	121°C/30min, 131°C/20min, 141°C/10min
Autoclave	125°C for 30 minutes
Available sizes	03/10 to 30/50 (13 sizes)

Materials of Construction

Component	Material
Filter media	Borosilicate
Outer core	SS 1.4301
Inner core	SS 1.4301
Inner layer	Polyester
End caps	SS 1.4301
Bonding material	Silicone
Seals	EPDM (std.), FEPM on request

Applications

Pharmaceutical industry

Biotechnology

Breweries & dairies

Chemical industry

Food & beverage processing

Aseptic packaging

Fermentation processes

Water treatment systems

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