Watts LFN223F - Manual (Page 2)

Materials
Body: Iron coated with corrosion-resistant cold galvanizing
Seat: Replaceable stainless steel
Diaphragm: Reinforced Buna-N
Disc:
EPDM
Piston: Stainless steel
Pressure – Temperature
Temperature Range: 33°F – 160°F (0.5°C – 71°C)
Maximum Working Pressure: 175psi (12.1 bar)
Adjustable Reduced Pressure Range: 25 – 75psi (172 – 517 kPa)
Standard Reduced Pressure Setting: 50psi (345 kPa)
Options
WR 3 ⁄
4
" (20mm) Model LF223 auxiliary regulator
(piping not included)
S Strainer (See ES-77F-DI-125 for details)
Option WR
Capacity
Reduced Pressure Fall-Off
Flow
M
N
A
L
A
S
C
D
Dimensions — Weights
MODeL NO. Size (DN) DiMeNSiONS Weight
A AS C D L M N
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs.
LFN223F 3 80 12 1 ⁄
2
318 — — 14 1 ⁄
2
368 3 3 ⁄
4
95 7 1 ⁄
2
191 — — — — 86 39
LFN223FS 3 80 12 1 ⁄
2
318 22 5 ⁄
8
575 14 1 ⁄
2
368 3 3 ⁄
4
95 7 1 ⁄
2
191 10 1 ⁄
8
257 7 178 120 54
kPa psi
138 20
103 15
69 10
34 5
0 0
40 80 120 160 200 gpm
152 304 456 608 760 lpm
High Pressure
3 ⁄
4
" (20mm) LF223 regulator
to handle low demands.
Set 10psi (68 kPa)
higher than LFN223F.
Piping not provided
Reduced Pressure
3" (80mm) LFN223F
ES-LFN223F 1325 © 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
A Watts Water Technologies Company
The information contained herein is not intended to replace the full
product installation and safety information available or the experi-
ence of a trained product installer. You are required to thoroughly
read all installation instructions and product safety information
before beginning the installation of this product.
NOTICE