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ES-LF777SI |
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For Liquid and Steam Service |
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LEAD FREE*
Series LF777SI, LFS777SI |
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Wye-Pattern, Lead Free Cast Strainers |
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NSF Certified to NSF 61 Annex G |
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Sizes: 3⁄8" – 3" (10-75mm) |
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Series LF777SI, LFS777SI Wye-Pattern, Lead Free* cast strain- |
LF777SI |
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ers are designed to protect plumbing system components from |
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dirt, rust and other damaging debris. The Series LF777SI and |
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LFS777SI feature Lead Free* construction to comply with Lead |
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Free* installation requirements. |
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Features
•NSF 61 Annex G certified
•Lead Free* cast copper silicon alloy body and cap
•Wye-pattern
•Tapped retainer cap
•Closure plug
•Special flared screen opening on upstream end to provide unrestricted flow through the strainer
Models
LF777SI – 3⁄8" – 3" (10 – 80mm) threaded connections LFS777SI –1⁄2" – 2" (15 – 50mm) solder connections†
Specifications
A wye-pattern, Lead Free* cast strainer to be installed as indicated on the plans. The strainer must have a tapped retainer cap and closure plug. Strainer shall be rated to 400psi (27.6 bar) WOG; 125psi (8.6 bar) WSP for sizes 3⁄8"-2" (10-50mm) and 300psi (20.7 bar) @ 210ºF (99ºC); 125psi (8.6 bar) WSP @ 353ºF (178ºC) for sizes 21⁄2"-3" (65-80mm). The strainer shall be constructed using Lead Free* cast copper silicon alloy. Lead Free* strainers shall comply with state codes and standards, where applicable, requiring reduced lead content. Strainer shall be a
Watts Series LF777SI (threaded ends) or LFS777SI (solder ends).
Materials
Body: |
Lead Free* cast copper silicon alloy |
Retainer Cap: |
Lead Free* cast copper silicon alloy |
Plug |
Lead Free* brass |
Gasket: |
NBR |
Standard Screen: |
#20 mesh, 304 stainless steel |
Pressure – Temperature
Maximum Working Pressure: 3/8"–2" (10-50mm)
400psi (27.6 bar) WOG @ 210ºF (99ºC) 125psi (8.6 bar) WSP @ 353ºF (178ºC)
21/2"–3" (65-80mm)
300psi (20.7 bar) WOG @ 210ºF (99ºC) 125psi (8.6 bar) WSP @ 353ºF (178ºC)
*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.
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 without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
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