• Constructed from 100% high-purity PFA, ensuring no metal or O-ring components.
• Low cracking pressure of less than 1 PSIG (0.07 bar).
• Zero dead volume body seal with no wetted thread areas.
• Can withstand temperatures up to 250°F (121°C).
• Includes a high-purity PFA spring.

The Furon Large Check Valves are high-purity, injection-molded valves designed to allow fluid flow in one direction, preventing backflow. They are available in orifice sizes of ½”, ¾”, and 1” and feature a metal-free and elastomer-free construction with a high-purity PFA wetted flow path. The compact design facilitates easy inline installation, suitable for fluid temperatures up to 250°F (121°C) and operating pressures up to 120 PSIG (8.3 bar).

• Prevents drain-down of chemical delivery lines.
• Prevents backflow in process delivery systems.
• Suitable for transferring aggressive or ultrapure chemicals in the Semiconductor and Chemical Processing industries.

• Operating Pressure: 150 psig (10.3 bar).
• Back Pressure: 150 psig (10.3 bar).
• Cracking Pressure: <1 psig (0.07 bar).
• Cv Flow Factor: 3.7 – 7.5.
• Max. Operating Temperature: 250°F (121°C).
• Body and Spring Material: PFA (machined version uses PTFE).

Various models are available with different end connections and orifice sizes, such as FlareGrip® II and FuseBond™. Specific dimensions and configurations are provided for each model.

This document provides general information and is not a product specification. Users must ensure the product's suitability for their specific applications. Saint-Gobain offers an 18-month warranty under certain conditions, disclaiming all implied warranties of merchantability and fitness for a particular purpose.

Saint-Gobain Performance Plastics, 7301 Orangewood Avenue, Garden Grove, CA 92841. Phone: 1-800-833-5661, Tel: (714) 630-5818, Fax: (714) 688-2614, www.furon.com