Over 3 Million Possible Combinations!

Create your own custom configured check valves and pressure relief valves.

Design your own custom valve by plastic body material, o-rings, and spring pressure.

Series 100 - Standard Cartridge Check Valves &
Series 100 - Speciality Check Valves
  • Standard, Barbed, NPT, Side Seal, and Manual Relief Bleed Valve styles
  • 1/8" to 3/4" Sizes
  • Easily inserted into fitting, manifold, or installed in-line
  • 0.07 PSI to 20 PSI opening pressures
Series 200 - NPT Check Valves
  • Male and female NPT styles
  • 1/8" and 1/4" NPT sizes
  • Compression tubing adapter available
  • 0.07 PSI to 20 PSI opening pressures
Series 300 - Modular Check Valves
  • Barb, NPT, and Foot/Filtering styles
  • Our most popular model provides maximum versatility with the widest range of options
  • Flexible modular design
  • 0.07 PSI to 17 PSI opening pressures
Series 500 - Miniature Check Valves
  • Male and female Luer styles
  • 1/16" and 1/8" Barb sizes
  • Flexible modular design
  • 0.07 PSI to 20 PSI opening pressures

For expert technical assistance or to order CALL NOW!

(800) 338-0404

Key Features:
  • Our wide range of plastic, o-ring, and spring materials and check valve styles can be combined in over 3 million configurations. This means that you can use our standard components to custom design a valve to meet your specific requirements…without a custom price.
  • Most Smart check valves incorporate a low inertia poppet design with double-tapered o-ring seats to achieve a fast, positive seal in ultra low pressure applications. Additionally, most of our check valves can also be used as pressure relief valves. Click here for more information.
  • Check valve model #101 is the smallest of its kind and features a silicon ball seal and newly patented technology.
  • Operating temperatures range from sub-zero to 250°F, depending on materials specified. Click here to learn more about our plastic body materials.
  • The thermoplastic materials used in these check valves provide improved corrosion resistance and make them a superior alternative to comparable metal valves.