Watts LFS777 User Manual download pdf

Pressure – Temperature

Maximum Working Pressure:

⁄4" – 3" (8-75mm)

400psi (27.6 bar) WOG @ 210ºF (99ºC)

125psi (8.6 bar) WSP @ 353ºF (178ºF)

4" (100mm)

300psi (20.7 bar) WOG @ 210ºF (99ºC)

125psi (8.6 bar) WSP @ 353ºF (178ºF)

LF777

For Liquid and Steam Service

ES-LF777

Series LF777,

LFS777

Wye-Pattern Lead Free* Bronze

Strainers

Sizes:

⁄4" – 4" (8-100mm)

Series LF777, LFS777 Wye-Pattern Lead Free* cast copper silicon

alloy Strainers are designed to protect system components from

dirt, rust and other damaging debris in the piping system. This series

features a solid retainer cap with gasket. The LF777 and LFS777 fea-

tures Lead Free* construction to comply with Lead Free* installation

requirements.

Features

• Lead Free* cast copper silicon alloy body

• Wye-pattern

• Solid retainer cap with gasket

Models

LF777 –

⁄4" – 4" (8 – 100mm) threaded connections

LFS777 –

⁄2" – 2" (15 – 50mm) solder connections

Specifications

A wye-pattern Lead Free* cast copper silicon alloy strainer to be

installed as indicated on the plans. The strainer must have a solid

retainer cap with gasket. Strainer shall be rated to 400psi (27.6

bar) WOG @ 210ºF (99ºC); 125psi (8.6 bar) WSP @ 353ºF (178ºF)

for sizes

⁄4" – 3" (8 – 75mm) and 300psi (20.7 bar) WOG @ 210ºF

(99ºC); 125psi (8.6 bar) @ 353ºF (178ºC) for size 4" (100mm). Lead

Free* Wye-Pattern cast copper silicon alloy Strainers shall be con-

structed using Lead Free* materials. Lead Free strainers shall comply

with state codes and standards, where applicable, requiring reduced

lead content. Strainer shall be a Watts Series LF777 (threaded ends)

or LFS777 (solder ends).

Materials

Body: Lead Free* cast copper silicon alloy

Retainer Cap:

⁄4" – 4" (8-100mm): Lead Free copper silicon alloy

Cap Gasket:

⁄2" – 2" (15-50mm): EPDM

Other sizes consult factory

Standard Screen:

⁄2" – 2

⁄2" (8-65mm): 304 stainless steel

#20 mesh,

3" (75mm):

⁄64" (1.2mm) 304 stainless steel per-

forated screen

4" (100mm):

⁄8" (3mm) 304 stainless steel

perforated screen

LFS777

BAA/ARRA Compliant

**This product complies with the Buy American Act and The

American Recovery and Reinvestment Act. For more information,

visit watts.com.

LEAD FREE

Job Name

–––––––––––––––––––––––––––––––––––––––––––

Contractor

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Job Location

–––––––––––––––––––––––––––––––––––––––––

Approval

–––––––––––––––––––––––––––––––––––––––––––––

Engineer

–––––––––––––––––––––––––––––––––––––––––––––

Contractor’s P.O. No.

––––––––––––––––––––––––––––––––––

Approval

–––––––––––––––––––––––––––––––––––––––––––––

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.

1 2

Summary of Contents

Page 1 - LEAD FREE

Pressure – TemperatureMaximum Working Pressure:1⁄4" – 3" (8-75mm) 400psi (27.6 bar) WOG @ 210ºF (99ºC) 125psi (8.6 bar) WSP @ 353ºF (178ºF)

Page 2 - Performance Data

Screen Options 304 Stainless Steel Wire Mesh Liners: (#30, #40, #60, #80, #100) 304 Stainless Steel Perforated Screens: (1⁄32", 3⁄64", 1⁄16&

Related models: LF777

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Watts LFS777 User Manual

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Summary of Contents

Related models: LF777

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