LF709 Lead Free Cast Iron Double Check Valve Assembly
Watts Series LF709 Lead Free* Double Check Valve Assemblies prevent the reverse flow of polluted water from entering into the potable water supply. It has a modular check design for easy maintenance and epoxy coated (FDA approved) cast iron body construction.
Series LF709 is ideal at referenced cross-connections identified in non-health hazard applications.
The LF709 features Lead Free* construction to comply with Lead Free* installation requirements.
Models / Suffix
- NRS – non-rising stem resilient seated gate valves
- OSY – UL/FM outside stem and yoke resilient seated gate valves
- S-FDA – FDA epoxy coated strainer
- QT-FDA – FDA epoxy coated ball valve shutoffs
- LF – without shutoff valves
Additional Information
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Technical Data
Available Materials:
Fused Epoxy Coated Cast Iron
Pressure Rating:
to 175 psi
Available Sizes:
2-1/2in, 3in, 4in, 5in, 6in, 8in, 10in
Connection Types:
Flanged
Minimum Adjustable Pressure:
33 psi
Maximum Adjustable Pressure:
140 psi
See product datasheet for additional details