Contents Vivaflow 50 Single Module Linked Modules Diafiltration|Desalting Concentration Recovery System Components Technical Specifications Performance Characteristics Ordering Information Chemical Compatibility Vivaflow 50R and Vivaflow 200 Operation of Single Module Operation of Two Modules 12 – 13 Diafiltration| Desalting Concentration Recovery...
Filtrate vessel Sample | diafiltration reservoir (VFA006) Pink flow restrictor Diagram 1: Vivaflow 50 set up Single module 4. Pump liquid through the system to purge any air pockets. The recirculation rate 1. Set up the system as illustrated in Diagram 1.
Tconnector Interconnector Pressure indicator Diagram 2: Setting up multiple Vivaflow 50 cassettes Linked modules 4. The flow path of the system can be con 1. Set up the system as illustrated in figured to suit the membrane|sample combination. Most solutions are better Diagram 2.
Diagram 3: Buffer exchange | diafiltration with Vivaflow 50 Diafiltration| Desalting 5. As the volume in the 500 ml reservoir 1. Set up the system as illustrated in decreases, the vacuum created draws exchange solvent through the feed line Diagram 3 for linked modules. If only from the larger reservoir.
Concentration Recovery 1. Fill the feed reservoir with sample solu 1. Disconnect the feed line from the lid tion. When initial volumes larger than of the 500 ml reservoir or when using 500 ml are required, place 500 ml in a different container, remove the feed line from the sample.
Masterflex easy load pump head (Prod. No. VFA012) Masterflex pump CE 230V – US 115V (Prod. No. VFP001|VFP002) Diagram 4: System componets for setting up multiple Vivaflow 50 units Table 1: Technical Specifications Dimensions Overall L | H| W 107|84|25 mm Channel W| H 15 mm| 0.3 mm...
Materials of Construction Main housing Polycarbonate Flow channel TPX (PMP) Membrane support TPX (PMP) Seals and O rings Silicone Pressure indicator Polypropylene, SS Spring, Flow restrictor Polypropylene Fittings Nylon Tubing PVC (medical grade) Table 2: Performance characteristics Time to concentrate up to 20x (min.) at 3 bar inlet pressure, 20°C Single Three...
Vivaflow 50R and Vivaflow 200 Diagram 5: Vivaflow 50R and Vivaflow 200 set up Operation Single Vivaflow 50R or 4. Pump liquid through the system to purge Vivaflow 200 Modules any air pockets. The recirculation rate should be 200–400 ml/min, and suit Assembly and rinsing single module able flow should exit the filtrate line.
Diagram 6: Setting up two Vivaflow 50R units Operating two Vivaflow 50R or 2. Vivaflow 50R: two Vivaflow 200 Modules Use two Tconnectors (VFA030) to connect to the inlets of both Vivaflow Assembly and rinsing two modules 50R modules. 1. Set up the Vivaflow 50R system as illus Vivaflow 200: trated in Diagram 6 and the Vivaflow 200 Use the Yconnector, (VFA005)
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Diagram 7: Setting up two Vivaflow 200 units 3. Note the positioning of a flow restrictor 6. Allow 800 ml to pass into the filtrate on the return line from each Vivaflow 200 vessel. Check for any leakage at tubing module.
Concentration 1. Fill the feed reservoir with sample solution. 2. Pump liquid through the system. The recircu lation rate should be 200– 400 ml/min, (500–900 ml/min for two modules), and suitable flow should exit the filtrate line. If used, the pressure indi cator should read approximately 2.5 bar.
Table 4: Technical specifications Vivaflow 50R and Vivaflow 200 Dimensions Vivaflow 50 R Vivaflow 200 Overall L | H |W 100 | 100 | 24 mm 126 |138|38 mm Channel W| H 7.5 | 0.4 mm 10 mm| 0.4 mm...
Cleaning and storage information only for Vivaflow 50R and Vivaflow 200 Cleaning Storage Vivaflow 50R and 200 modules may be To store Vivaflow 50R and Vivaflow 200 used several times if cleaning and storage after cleaning, fill module with deionised instructions are followed.
Table 5: Performance characteristics Vivaflow 50R Time to concentrate up to 20x (min) at 3.0 bar inlet | 2.5 bar outlet pressure, 20°C start volume Average flux Recovery % 250 ml ml/min Direct 25 ml rinse Lysozyme 0.25 mg/ml (14,000 MW) 5,000 MWCO Hydrosart 10,000 MWCO Hydrosart 10.3...
Table 6: Performance characteristics Vivaflow 200 Time to concentrate up to 20x (min.) at 3 bar inlet pressure, 20°C start volume Average flux Recovery % 1 litre ml/min Direct 25 ml rinse Lysozyme 0.25 mg/ml (14,000 MW) 2,000 MWCO Hydrosart >...
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