Flow Restrictors
Designed for use in residential reverse osmosis systems to restrict the flow on the drain (reject) line, keeping the membrane pressurized and controlling the recovery ratio of the system. The flow restrictor must be properly sized according to the flow of the RO membrane system. The recommended sizes per flow rate are listed in the below tables.
It is recommended that the flow restrictor is replaced each time an RO membrane is replaced in order to keep your system working at optimum performance, as scale build up can occur and clog the capillaries. Additionally, if changing to a different flow-rate membrane element, the flow restrictor must be changed to the appropriate size as well.
Available in several styles including encapsulated capillaries (in both quick connect and male threaded end connections) and inserts for use in fittings. Encapsulated capillary style flow restrictors should be installed in the membrane reject line between the housing outlet and the drain. Insert style flow restrictors should be inserted in the fitting between the membrane housing reject outlet and the tubing that leads to the drain.
Benefits of Flow Restrictors for Home RO Systems
- Calibrated to the appropriate flow for use with common home RO membrane system flow rates
- Maintains pressure across the membrane element which is an integral part of the reverse osmosis process
- Easily installed
- Available in several styles to suit your system’s configuration
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Encapsulated Capillary Flows Restrictors with Quick Connect End Connections ¼” QC Tube Fittings
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Encapsulated Capillary Flows Restrictors with Male Threaded End Connections ¼” Male NPT Threads.
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Insert-Style Flows Restrictors For use with a ⅛” Male Fitting (sold separately)
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Flows Restrictor Insert in Fitting AMI flow restrictor insert pre-installed into a ¼”T x ¼”M NPT AMI Quick Connect Elbow Fitting
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Features of Flow Restrictors for Home RO Systems
- Encapsulated Capillary Construction
- Various Options for Installation
- Sized to Maintain Appropriate Recovery Ratio for Common RO System Flows
Applications for Flow Restrictors for Home RO Systems
- Point of Use (POU) Drinking Water Systems
- Home RO Systems
- Office
- Institutions
- Lab