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Watts® Series LF719 Double Check Valve Assemblies
Watts® Series LF719 Double Check Valve Assemblies
Features
- • Manufactured from Lead Free* cast copper silicon alloy.
- • Separate access, top entry check valve design.
- • Reversible seat disc rubber, extends check valve life.
- • Chloramine resistant elastomers.
- • Replaceable seats and seat discs.
- • Compact design.
- • Top mounted screwdriver slotted ball valve test cocks.
- • Low pressure drop.
- • 1 ⁄2" – 1" (15 – 25mm) have Tee handles.
- • No special tools required for servicing.
- • Plastic on plastic check guiding reduces potential binding due to mineral deposits.
Description
Watts® Series LF719 Lead Free® Double Check Valve Assemblies are designed to protect potable drinking water systems from reverse flow caused by backpressure or backsiphonage in non-health-hazard applications.
The LF719 features Lead Free® cast copper silicon alloy construction, chloramine-resistant elastomers and a compact design with low pressure drop. Its separate-access, top-entry check valve design provides convenient servicing, while reversible seat discs help extend check valve service life. Replaceable seats and seat discs further simplify routine maintenance.
Plastic-on-plastic check guiding helps reduce potential binding caused by mineral deposits, and no special tools are required for servicing. Maximum working pressure is 175 psi (12.06 bar). Contact Watercare Products for Watts Series LF719 double check valve assembly selection and quotation in Singapore.
Features
- Stroke
- 4 Stroke
- Max Power
- 62kW/6000 (r/min)
- Cylinders
- 2 Cylinder
- Max Torque
- 101N·m/5000 (r/min)
- Displacement (ml)
- 1000CC

