MPV Series

We offer our custom molding capabilities for our MPV Series Check Valves which allows for accommodation of customer specific needs and requirements for materials, connector variations, diaphragm selections, and unique laser marking per company, part, lot, or other identifier. Custom design, development, and filtration options are also available.


Our MPV Series Miniature Diaphragm Check Valves are used in Medical applications and Automotive under-hood applications. Check Valves used for medical applications are manufactured, produced, assembled, and packaged in a class 8 cleanroom environment. Custom molding allows for customer specific needs or requirements which include resin options, connector variations, diaphragm selections, and custom part laser marking. Various resin options are available such as Nylon, Glass-filled Nylon, Polypropylene, Polycarbonate, Radiation-stable Polycarbonate, Kynar® 720, PVDF, and Acetal with other custom resins at the customer’s request. Barbed connectors are available in 1/8 inch, 3/16 inch, and 1/4 inch standard flow or 1/4 inch, 5/16 inch, and 3/8 inch high flow. Diaphragms are made of either Silicone USP Class VI, Fluorosilicone, EPDM, Viton®, FDA Viton®, Kalrez®, or PFPE. To make your product truly unique we offer custom laser marking for unique identification purposes such as part number sequencing, lot numbers, or company name to list a few. (color may vary)

Additional information


High Flow, Standard Flow


Acetal (POM), Glass-Filled Polypropylene (GFPP), Kynar® (PVDF), Kynar® 720 (K720), Natural Nylon (NN), Polycarbonate, Radiation-Stable Polycarbonate

Inlet Size

1/4 inch, 1/8 inch, 3/16 inch, 3/8 inch, 5/16 inch

Outlet Size

1/4 inch, 1/8 inch, 3/16 inch, 3/8 inch, 5/16 inch