**Lead Free
Application
This Wilkins Series 700 check valve is designed for installation on potable water lines to protect against both back-siphonage and back-pressure of polluted water into the potable water supply. The Model 700 shall provide protection where a potential health hazard does not exist.
Standards Compliance
- ASSE® Listed 1024
- CSA® Certified
Materials
- Main valve body: Cast Bronze ASTM B 584
- Elastomers: Buna Nitrile (FDA approved)
- Polymers: Noryl, NSF Listed (1/4"-1/2"), Delrin NSF Listed (3/4"-1")
- Springs: Stainless Steel, 300 Series