Product Overview
LFS777S
LF777S
For Liquid and Steam Service
ES-LF777S
Series LF777S,
LFS777S
Wye-Pattern Lead Free* Bronze
Strainers
Sizes:
1
⁄2" – 4" (15-100mm)
Series LF777S, LFS777S Wye-Pattern Lead Free* Bronze Strainers
are designed to protect system components from dirt, rust and
other damaging debris in the piping system. This series features
a retainer cap tapped for closure plug. The LF777S and LFS777S
feature Lead Free* construction to comply with Lead Free* installa-
tion requirements.
Features
• Lead Free* cast copper silicon alloy body
• Wye-pattern
• Retainer cap tapped for closure plug
Models
LF777S –
1
⁄2" – 4" (15 – 100mm) threaded connections
LFS777S –
1
⁄2" – 2" (15 – 50mm) solder connections
Specifications
A wye-pattern Lead Free* bronze strainer to be installed as indi-
cated on the plans. Lead Free* Wye-Pattern Cast copper silicon
alloy Strainers shall be constructed using Lead Free* materials.
Lead Free LF777S and LFS777S shall comply with state codes and
standards, where applicable, requiring reduced lead content. The
strainer must have retainer cap tapped for closure plug. Strainer
shall be rated to 400psi (27.6 bar) WOG @ 210ºF (99ºC); 125psi
(8.6 bar) WSP @ 353ºF (178ºF) for sizes
1
⁄2" – 3" (15 – 75mm)
and 300psi (20.7 bar) WOG @ 210ºF (99ºC); 125psi (8.6 bar) @
353ºF (178ºC) for size 4" (100mm). Strainer shall be a Watts Series
LF777S (threaded ends) or LFS777S (solder ends).
BAA/ARRA Compliant
**
**This product complies with the Buy American Act and The
American Recovery and Reinvestment Act. For more informa-
tion, visit watts.com.
LEAD FREE
*
Job Name
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Approval
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Engineer
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Approval
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Representative
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Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.