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UF Cassettes

Your Professional UF Cassettes Supplier

Hangzhou Guidling Technology CO.,LTD is an innovative manufacturer focusing on providing solutions (clarification, separation and concentration, etc.) in the downstream field of biopharmaceutical. Guidling Technology has successfully developed centrifugal filter devices, ultrafiltration & microfiltration cassettes and TFF device and system, depth filter modules, virus clearance filter, etc.

Why Choose Us

ISO-Certified Quality Management

We are certified under ISO 9001:2015 / GB/T 19001-2016 by internationally recognized bodies (IAF/IAS), ensuring strict process control and consistently reliable product quality throughout manufacturing.

Scalable Filtration Solutions

We provide integrated clarification, filtration, and concentration systems designed to support seamless scale-up from laboratory to full-scale industrial production.

Proven Biopharma Applications

Our filtration technologies are widely used in antibody, vaccine, and biologics manufacturing, enabling stable and efficient clarification, separation, and virus removal processes.

Parameter

Pump	Peristaltic pump
Holder	Hygienic holder
Cassettes	S：0.11m² L： 0.5m² and 1.3m²
Pipeline	Hygienic silicone tube, autoclavable steam sterilization
Pressure gauge	Hygienic diaphragm pressure gauge
Connection way	Hygienic clamp connection

Benefits of UF Cassettes

Our Diafiltration Ultrafiltration Cassettes are made to work the same
Our Diafiltration Ultrafiltration Cassettes are made to work the same every time, and they don't get dirty easily, plus they're really reproducible.

The Ultrafiltration Cassettes TFF Device fits right into lab and pilot projects
The Ultrafiltration Cassettes TFF Device fits right into lab and pilot projects. If researchers use Fast Final Formulation UF Cassettes, they can get their sample concentration and formulation just right without ruining the product.

UF Cassettes Integrity Testing and Troubleshooting

Principles of troubleshooting failed integrity tests for sterilizing-grade filters can be applied to UF systems as well. Integrity test failures can happen before or after filter use. First, the type of failure needs to be determined: gross failure (>150% of test specification) or marginal failure (<150% of the test specification). Second, test parameters are confirmed to verify that test pressure, gas, temperature, and specifications are all correct. For marginal failures, possible causes include improper wetting or flushing procedures, incorrect wetting or testing temperature, and insufficient compression. A poorly or unmaintained cassette holder can also apply less force onto cassettes as nuts wear out or hydraulic oil leaks from the system, causing integrity failure.

Gross leaks can be interpreted as a false failure or indicate real membrane defects. Possible causes of false failure are improper cassette installation with incorrect torque or compression pressure, intercassette gasket misalignment, or installations with no gaskets. Improper sealing upstream of the UF system (including piping and valves) also can contribute to a gross leak. Before integrity testing UF modules, you can perform a system integrity test by pressurizing the upstream side of your system, maintaining the filtrate valve closed. A system integrity test can then detect loss of pressure caused by leaks on the upstream side.

Real membrane defects can be caused by cleaning or storing UF modules using incompatible chemical solutions or by extreme cleaning conditions. Improper handling resulting in pinches on a cassette or gasket, foreign objects in process piping, and excessive backpressure or inlet pressure during processing or integrity testing (due to an incorrect valve-operating sequence) all can cause mechanical damage to membranes.

Certificate

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Flexible Global Shipping Solutions

We support multiple shipping methods including sea freight, air freight, rail transportation, and express delivery to meet different delivery timelines and project requirements. Professional packaging and export handling ensure safe and efficient transportation for international orders.

FAQ

Q: What is the use of UF?

A: UF (Ultrafiltration) is a membrane filtration process used primarily to remove suspended solids, bacteria, viruses, and macromolecules from liquids. It bridges the gap between microfiltration and nanofiltration.

Q: Does UF remove bacteria?

A: What is Ultrafiltration? (& How UF Membranes Work)Yes, ultrafiltration (UF) is highly effective at removing bacteria. It works by forcing water through a semi-permeable membrane that acts as a physical barrier.

Q: What are common problems with UF filters?

A: One of the most common problems in ultra filtration plants is fouled membranes. Fouling happens when particulate matter adheres to the surface of the membrane. Some of the foulants are: Solids: Suspended solids and colloidal particles collect on the UF membrane surface and in the pores, preventing water from passing.

As one of the leading uf cassettes manufacturers and suppliers in China, we also support customized service. We warmly welcome you to wholesale high quality uf cassettes in stock here from our factory. For quotation, contact us now.

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