Performance data, Dimensions — weights – Watts LFS777SI User Manual
Page 2

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: (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
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
2
3 4 5 6 8
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