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DPSHSL Sterilizing-Grade Liquid Filter

Cobetter DPSHSL is a sterilizing grade filter. The unique double-layer hydrophilic PES membrane has excellent filtration performance and reliable bacterial retention ability. It can withstand repeated steam sterilization and fully meet the filtration requirements of pharmaceutical process.

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Description Specifications Documents Ordering Information

Description

Features

The unique double-layer design ensures reliable bacterial retention
Excellent long service time and cost effective
Broad chemical compatibility (pH 1-14) to effectively handle a wide range of pharmaceutical filtration processes
Double-layer design extends the service life, decreases the cost of use and guarantees that the filter safety factor is increased by more than 10 times

Applications

Chinese medicine injection filtration
Sterile filtration of sterile raw materials
Sterile filtration of eye drops and liquids
Buffer sterile filtration

Quality

100% Integrity testing in manufacturing
Each filter is fully traceable with unique serial number
Manufactured in a facility which adheres to ISO 9001:2015 Practices

Flow Rate Characteristics

Specifications

Materials of Construction

Membrane	Hydrophilic polyethersulfone (PES)
Support	Polypropylene (PP)
Core/Cage/End Caps	Polypropylene (PP)
End Cap Inserts	Polybutylene terephthalate (PBT)
Seal Material	Silicone / EPDM / Viton FEP/ PFA encapsulated O-rings

Operating Conditions

Max. Operating Temperature	80°C
Max.Operating Pressure	0.69 MPa@25°C 0.55 MPa@50°C 0.40 MPa@60°C 0.24 MPa@80°C
Max. Differential Pressure (Forward)	0.69 MPa@25°C 0.55 MPa@50°C 0.40 MPa@60°C 0.24 MPa@80°C
Max. Differential Pressure (Reverse)	0.30 MPa@25°C 0.10 MPa@80°C

Filtration Area

Outer Diameter	Membrane Pore Size	Area/10"
69mm	0.22+0.1μm	0.60m²
69mm	0.22+0.22μm	0.60m²
69mm	0.45+0.22μm	0.60m²
69mm	0.65+0.22μm	0.60m²
69mm	0.8+0.22μm	0.60m²
69mm	1.2+0.22μm	0.60m²
69mm	0.45+0.45μm	0.60m²
69mm	0.65+0.45μm	0.60m²
69mm	0.8+0.45μm	0.60m²

Integrity Standard @10inch，20°C

Membrane Pore Size	Bubble Point	Diffusion Flow (Air)
0.22+0.1μm	≥ 0.38 MPa (water), Air test	≤ 25 ml/min @ 0.30 MPa (water)
0.22+0.22μm	≥ 0.34 MPa (water), Air test	≤ 25 ml/min @ 0.275 MPa (water)
0.45+0.22μm	≥ 0.32 MPa (water), Air test	≤ 25 ml/min @ 0.275 MPa (water)
0.65+0.22μm	≥ 0.32 MPa (water), Air test	≤ 25 ml/min @ 0.275 MPa (water)
0.8+0.22μm	≥ 0.32 MPa (water), Air test	≤ 25 ml/min @ 0.275 MPa (water)
1.2+0.22μm	≥ 0.32 MPa (water), Air test	≤ 25 ml/min @ 0.275 MPa (water)
0.45+0.45μm	≥ 0.18 MPa (water), Air test	≤ 25 ml/min @ 0.16 MPa (water)
0.65+0.45μm	≥ 0.18 MPa (water), Air test	≤ 25 ml/min @ 0.16 MPa (water)
0.8+0.45μm	≥ 0.18 MPa (water), Air test	≤ 25 ml/min @ 0.16 MPa (water)

Bacterial Retention

Model	Content
DPSHSL 0.22+0.1μm	Bacterial quantitative retention of 10⁷ cfu/cm² Brevundimonas diminuta (ATCC 19146) accordingto ASTM F838 methodology.
DPSHSL 0.22+0.22μm
DPSHSL 0.45+0.22μm
DPSHSL 0.65+0.22μm
DPSHSL 0.8+0.22μm
DPSHSL 1.2+0.22μm
DPSHSL 0.45+0.45μm	Bacterial quantitative retention of 10⁷ cfu/cm² Serratia marcescens (ATCC14756) according to ASTM F838 methodology
DPSHSL 0.65+0.45μm

Sterilization

In-line steam sterilization	Up to 100 cycles (135 °C for 30 min and differential pressure < 30 kPa per cycle)
Autoclave	Up to 200 cycles (130 °C for 30 min per cycle)

Regulatory Compliance

Autoclaved filter effluent meets the USP<788> requirement of particulate matter in large volume injection.
Component materials meet the criteria for a "Non-fiber-releasing filter" as defined in 21 CFR 210.3(b)(6).
Aqueous extraction from a cartridge contains less than 0.25EU/ml as determined by Limulus Amebocyte Lysate (LAL), meeting requirements of USP<85>.
Meet the requirement of USP <87> In Vitro Cytotoxicity Test.
Component materials meet the requirements of the current USP<88> for plastic class VI-121°C.
All component materials meet the FDA Indirect Food Additive requirements cited in 21 CFR 177-182.
Based on the current information from our suppliers, all component materials used in the manufacture of this product are animal-free.

End Cap

Documents

hollow fiber

Ordering Information

Outer Diameter	Type	Membrane Pore Size	End Cap	Nominal Length	Seal Material	Industry
69mm	DPSHSL	2210 0.22+0.1µm	DOE Double Open End	05 5 inch	S Silicone	P
		2222 0.22+0.22µm	HTF 222/Fin	10 10 inch	E EPDM
		4522 0.45+0.22µm	HSF 226/Fin	20 20 inch	V Viton
		6522 0.65+0.22µm	HTCG 222/Flat	30 30 inch	P FEP/PFA encapsulated O-rings
		8022 0.8+0.22µm	HSCG 226/Flat	40 40 inch
		1222 1.2+0.22µm
		4545 0.45+0.45µm
		6545 0.65+0.45µm
		8045 0.8+0.45µm

* Example：DPSHSL2210DOE05SP (DPSHSL，0.22+0.1µm，Double open end，5 inch，Silicone，Pharmaceutical)