Product Overview

Screen Options
304 Stainless Steel Wire Mesh Liners: (#30, #40, #60, #80, #100)
304 Stainless Steel Perforated Screens: (
1
32",
3
64",
1
16",
1
8",
3
16",
1
4")
Consult factory for ordering codes
Dimensions —Weights
2"
1
1
2"
1
1
4"
1"
3
4"
1
2"
3
8"
1⁄
4
"
Strainer Size
1000
400
200
100
80
60
40
30
20
10
8
6
5
4
3
2
1
0.1 .2 .3 .4 .5 .6 .8 1 2 3 4 5 6 8 10 20 20 40 50 60 80 100
Flow (water) - gpm
Pressure Drop - psi
4" 3" 2
1
2
Size (dn) dimenSionS weight
A B C (NPT)
in. mm in. mm in. mm in. mm lbs. kgs.
1
4 8 2
11
16 68 1
11
16 43
3
8 10 1.7 0.77
3
8 10 2
11
16 68 1
11
16 43
3
8 10 1.7 0.77
1
2 15 3 76 2 51
3
8 10 1.7 0.77
3
4 20 3
5
16 84 2
5
16 59
1
2 15 1.7 0.77
1 25 4
1
2 114 2
5
16 59
3
4 20 2.7 1.22
1
1
4 32 5
1
8 130 3
1
8 79
3
4 20 3.0 1.36
1
1
2 40 5
7
8 149 3
3
4 95 1 25 4.0 1.81
2 50 6
3
16 157 4
7
8 124 1
1
4 32 7.4 3.36
2
1
2 65 8
1
8 206 4
15
16 125 1
1
4 32 12.0 5.44
3 75 10
1
8 257 6
11
16 170 1
1
2 40 24.0 10.90
4 100 13 325 10
1
2 267 1
1
2 40 41.0 18.60
LF777S
Size (dn) dimenSionS weight
A B C (NPT)
in. mm in. mm in. mm in. mm lbs. kgs.
1
2 15 3
3
8 86 2
1
16 52
3
8 10 1.5 0.68
3
4 20 3
3
4 95 2
9
16 65
1
2 15 1.6 0.73
1 25 5 127 3 76
3
4 20 2.5 1.13
1
1
4 32 5
5
8 143 3
1
4 82
3
4 20 2.8 1.25
1
1
2 40 6
7
16 164 3
13
16 97 1 25 4.0 1.81
2 50 7
1
2 191 4
5
8 118 1
1
4 32 7.4 3.39
LFS777S
LF777S
A
A
B
B
C
C
nPt
nPt
LFS777S
Performance Data
ES-LF777S 1333 © 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
Materials
Body: Lead Free* cast copper silicon alloy
Retainer Cap:
1
2" (15mm): Lead Free* copper silicon alloy
3
4" – 4" (20-100): Lead Free* cast copper
silicon alloy
Cap Gasket:
1
2" – 2" (15-50mm): EPDM
Other sizes consult factory
Standard Screen:
1
2" – 2
1
2" (15-65mm): 304 stainless steel
#20 mesh,
3" (75mm):
3
64" (1.2mm) 304 stainless steel
perforated screen
4" (100mm):
1
8" (3mm) 304 stainless steel
perforated screen
Pressure – Temperature
Maximum Working Pressure:
1
2" – 3" (15-75mm)
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)