Watts LFN9C User Manual Page 1
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For Non-Health Hazard Applications
ES-LFN9
Series LFN9
Dual Check Vacuum Breakers
for In-Line Applications
Size
1
⁄4" and
3
⁄8" (8 and 10mm)
Series LFN9 Dual Check Vacuum Breakers for In-Line Applications
are used for continuous pressure, non-health hazard, applications.
These valves have NPT female inlet and outlet connection and Lead
Free* brass body construction. The LFN9 features Lead Free* con-
struction to comply with Lead Free* installation requirements.
Models
LFN9C – same as LFN9 except comes with chrome body
Pressure-Temperature
Temperature Range: 33°F – 180°F (0.5°C – 82°C)
Maximum Working Pressure: 150psi (8.6 bar)
Applications
Series LFN9 should be installed on each parlor sink where a hose is
attached. This series is for use on continuous pressure applications.
Standards
CSA B64.8
Open End,
only outlet on fixture
3
⁄8" Mixed
Water
Line
Drain
LFN9
Parlor Sinks
LFN9C
Capacity
kPa psi
345 50
310 45
276 40
241 35
207 30
172 25
138 20
103 15
69 10
35 5
0 0
0 1 2 3 4 5 6 7 gpm
0 3.8 7.6 11 15 19 23 27 lpm
B
A
B1
Dimensions — Weights
MODEL SIZE (DN) DIMENSIONS WEIGHT
A B B
1
in. mm in. mm in. mm in. mm lbs. kgs.
LFN9C
1
⁄4 6 2
3
⁄8 60 1
1
⁄4 32 1 25 .38 .17
LFN9C
3
⁄8 10 2
3
⁄8 60 1
1
⁄4 32 1 25 .38 .17
LFN9C
1
⁄2 15 2
1
⁄16 52 1
1
⁄4 32 1
1
⁄4 32 .42 .19
LFN9
1
⁄4 6 2
3
⁄8 60 1
1
⁄4 32 1 25 .38 .17
LFN9
3
⁄8 10 2
3
⁄8 60 1
1
⁄4 32 1 25 .38 .17
LFN9
1
⁄2 15 2
1
⁄16 52 1
1
⁄4 32 1
1
⁄4 32 .42 .19
1
⁄4"
3
⁄8"
Pressure Drop
Flow
Job Name
–––––––––––––––––––––––––––––––––––––––––––
Contractor
––––––––––––––––––––––––––––––––––––––––––––
Job Location
–––––––––––––––––––––––––––––––––––––––––
Approval
–––––––––––––––––––––––––––––––––––––––––––––
Engineer
–––––––––––––––––––––––––––––––––––––––––––––
Contractor’s P.O. No.
––––––––––––––––––––––––––––––––––
Approval
–––––––––––––––––––––––––––––––––––––––––––––
Representative
––––––––––––––––––––––––––––––––––––––––
ES-LFN9 1321 © 2013 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
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.
A Watts Water Technologies Company
*The wetted surface of this product contacted by
consumable water contains less than 0.25% of
lead by weight.
LEAD FREE
*
1
- Series LFN9 1
- LEAD FREE 1
Summary of Contents
Page 1 - LEAD FREE
For Non-Health Hazard ApplicationsES-LFN9Series LFN9 Dual Check Vacuum Breakers for In-Line ApplicationsSize 1⁄4" and 3⁄8" (8 and 10mm)Seri
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