Introduction
A manifold vacuum filtration unit is a laboratory apparatus that allows the simultaneous filtration of multiple samples under vacuum, increasing throughput and efficiency in sample preparation and analysis, and it is used in environmental, pharmaceutical, food, and biological laboratories. The unit consists of a manifold, typically made of aluminum, stainless steel, or plastic, with multiple filtration stations, each fitted with a funnel, a filter holder, and a clamp, and the stations are connected to a common vacuum line and a collection vessel, such as a vacuum flask or a waste container; when vacuum is applied, liquid from the samples is pulled through the filter media in each station simultaneously, leaving the retained solids or particles on the filters, and the filtrate is collected or directed to waste, and the design allows the processing of many samples in a single operation. Manifold vacuum filtration units are used for microbiological analysis, in which water, beverages, or other liquid samples are filtered through membranes and the membranes are placed on culture media for the enumeration of microorganisms; for gravimetric analysis of suspended solids; for particle collection and analysis; for clarification and sterilization filtration; for sample preparation in analytical chemistry; and for purification in biotechnology, and they are available with various numbers of stations, from 3 to 12 or more, with features such as individual valves for each station, vacuum gauges, and compatibility with various funnel and filter sizes. With their multi-sample capability, manifold vacuum filtration units are essential for efficient filtration in laboratories.
Manifold Vacuum Filtration Unit LMVF-T2023
Manifold Vacuum Filtration Unit incorporates a 12-branch type stainless steel funnel. It enables the simultaneous filtration of multiple samples, offering high efficiency. Each funnel of...
Manifold Vacuum Filtration Unit LMVF-T2020
Manifold Vacuum Filtration Unit is designed with 316 unit filtration unit is supported by vacuum pump. Allows filtration of multiple samples either at once or independently by controllin...
Manifold Vacuum Filtration Unit LMVF-T2021
Manifold Vacuum Filtration Unit is designed with 316 unit filtration unit is supported by vacuum pump. Allows filtration of multiple samples either at once or independently by controllin...
Manifold Vacuum Filtration Unit LMVF-T2022
Manifold Vacuum Filtration Unit is designed with 316 unit filtration unit is supported by vacuum pump. Allows filtration of multiple samples either at once or independently by controllin...
Manifold Vacuum Filtration Unit LMVF-T2010
Manifold Vacuum Filtration Unit includes a single branch type glass funnel that provides efficient filtration. A pore size of 20 µm maintains a good balance between efficiency and flow ...
Manifold Vacuum Filtration Unit LMVF-T2011
Manifold Vacuum Filtration Unit incorporates a three-branch type glass funnel allowing filtration of multiple samples simultaneously. Features a 20 µm pore size, ensuring a favorable eq...
Manifold Vacuum Filtration Unit LMVF-T2012
Manifold Vacuum Filtration Unit integrates a six-branch glass funnel enabling simultaneous filtration of multiple samples. With a 20 µm pore size, it maintains a balanced filtration eff...
Standards
ISO 7704:1985-Water quality-Evaluation of membrane filters used for microbiological analyses
Complies with the above standards, but is not limited to them.
Features
1. Manifold vacuum filtration unit for simultaneous filtration of multiple samples.
2. Multi-port manifold with individual valves for parallel sample processing.
3. Suitable for microbiology, water testing, pharmaceutical, food and environmental laboratories.
4. Includes manifold base, funnels, valves, vacuum connection and operation manual.
5. Supports 3, 6 or more simultaneous filtrations for high-throughput sample processing.
FAQ
Q1: What testing scenarios is this unit mainly applied to?
A: The manifold vacuum filtration unit is used in microbiology laboratories, water testing, pharmaceutical quality control, food and beverage testing, environmental monitoring and clinical laboratories to perform simultaneous vacuum filtration of multiple samples for microbial analysis, particulate removal and sample preparation. It supports water quality microbial testing (coliform, heterotrophic plate count), pharmaceutical product microbial limit testing, food and beverage microbiological analysis, environmental water and wastewater testing, clinical sample filtration, and general laboratory multi-sample filtration. The multi-port manifold enables parallel processing of multiple samples, significantly increasing throughput compared with single filtration setups. It is essential for microbiology, water testing, pharmaceutical, food and environmental laboratories requiring high-throughput vacuum filtration for microbial analysis, sample preparation, particulate removal and quality control, where simultaneous processing of multiple samples improves efficiency, reduces processing time and supports batch testing for water quality, pharmaceutical microbial limits, food safety, environmental monitoring and clinical applications requiring membrane filtration methodology.
Q2: What standards does the unit comply with?
A: The manifold vacuum filtration unit uses components complying with relevant ISO, ASTM and GB/T standards for laboratory filtration equipment. Microbiological applications follow standard methods including ISO, EPA, AOAC and relevant GB/T methods for water and food microbiology. The unit should be autoclavable or sterilizable for microbiological use. Users should verify material compatibility with samples and disinfectants.
Q3: What is the warranty period for the whole machine and key components?
A: The manifold base, valves and support are covered by a 12-month warranty. Funnels, filters, tubing and gaskets are consumables or accessories not covered against wear or breakage. Damage from improper use, overpressure or unauthorized repair is excluded.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires basic training in vacuum filtration technique, aseptic technique (for microbiology) and glassware handling. We provide an operation manual and remote guidance. Proper assembly, sterilization, filter placement, vacuum control and sample handling are important for effective filtration and contamination-free results.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular maintenance required? What is the recommended calibration cycle?
A: Glassware and manifold inspection for cracks or damage before each use. Valve operation checked periodically. Vacuum connection and tubing checked for leaks. Filters replaced per application. Routine cleaning and sterilization recommended, particularly for microbiological use. No formal metrological calibration is typically required.
Q7: Are supporting consumables universal?
A: Membrane filters, funnels, tubing and vacuum pumps are available from multiple laboratory suppliers, though compatibility with the manifold size should be verified. Long-term consumable cost is low to moderate depending on filtration volume and filter type.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes number of ports, material (glass, stainless steel, plastic), funnel type, valve type and vacuum source. Additional funnels, filters and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: No complex installation is required beyond assembly and vacuum connection. The package includes the filtration unit and instruction manual. On-site service is not included for this type of laboratory setup.
Q10: What types of samples are compatible with this equipment?
A: The manifold filtration unit filters aqueous and compatible organic solutions within the chemical resistance of the materials and filter membrane. Highly corrosive solutions may require special manifold material. Viscous samples may filter slowly or require pre-filtration. For microbiological use, the unit should be properly sterilized and aseptic technique followed. Users should select appropriate membrane filter pore size for the application (0.45um for standard microbiology), ensure proper assembly to prevent leaks, control vacuum to avoid filter rupture, use sterile equipment for microbial analysis, clean and sterilize between sample batches, and follow proper waste disposal for biological and chemical samples. The receiving flask should be appropriate for vacuum use to prevent implosion.
Tips: For more details, quotes and customized solutions, please contact us anytime. We’re always ready to serve you professionally.