Submittal Sheet

Performance Data
A
Inlet
C
B
LFS777SI
SIZE (DN) DIMENSIONS WEIGHT
A B C
in. mm in. mm in. mm in. mm lbs. kgs.
1
⁄2 15 2
3
⁄4 70 1
3
⁄8 35
1
⁄4 6 0.4 0.18
3
⁄4 20 3
3
⁄8 86 1
5
⁄8 42
1
⁄4 6 0.6 0.27
1 25 3
3
⁄4 95 2
1
⁄8 54
1
⁄2 13 0.9 0.41
1
1
⁄4 32 4
9
⁄16 116 2
1
⁄2 64
1
⁄2 13 1.5 0.68
1
1
⁄2 40 5
5
⁄16 135 3 76
3
⁄4 19 1.9 0.86
2 50 6
1
⁄8 156 3
9
⁄16 91 1 25 3.3 1.50
LF777SI
SIZE (DN) DIMENSIONS WEIGHT
A B C
in. mm in. mm in. mm in. mm lbs. kgs.
3
⁄8 10 2
3
⁄8 60 1
5
⁄16 33
1
⁄4 6 0.4 0.18
1
⁄2 15 2
3
⁄4 70 1
3
⁄8 35
1
⁄4 6 0.5 0.23
3
⁄4 20 3
3
⁄16 81 1
5
⁄8 42
1
⁄4 6 0.6 0.27
1 25 3
3
⁄4 95 2
1
⁄8 54
1
⁄2 13 1.1 0.50
1
1
⁄4 32 4
7
⁄16 113 2
1
⁄2 64
1
⁄2 13 1.9 0.86
1
1
⁄2 40 4
7
⁄8 124 3 76
3
⁄4 19 2.4 1.09
2 50 5
15
⁄16 151 3
9
⁄16 91 1 25 4.4 2.00
2
1
⁄2 65 9
1
⁄16 230 5
7
⁄8 149
1
⁄2 13 9.8 4.44
3 80 10
3
⁄16 259 6
1
⁄4 159
1
⁄2 13 13.2 5.99
ES-LF777SI 1326 © 2013 Watts
USA: Tel: [phone] • Fax: [phone] • www.watts.com
Canada: Tel: [phone] • Fax: [phone] • www.watts.ca
A Watts Water Technologies Company
Differential Pressure (psi)
100
3
//////
8
"
1
2
"
3
4
"1" 1
1
4
"1
1
2
"2" 2
1
2
"
80
60
50
40
30
20
10
8
6
5
4
3
2
1
.8
.6
.5
.4
.3
.2
.1
1
234568
10
20 30 40 6080
100
200 400
1000
3"
Flow (gpm)
Flow curves show flows (gpm) and pressure drop (psig) through
Watts Series 777SI, S777SI using standard 20 mesh screen.
Dimensions — Weights