Specification

Dimensions - Weight
Capacity
A
B
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0 1 2 3 4 5 6 7 8 9 10 11
0.0
3.8 7.8 11.4 15.1 19.0 22.7 26.5 30.3 34.1 37.8 41.6
GPM
LPM
PSI
Loss
1
⁄2" LF7R
GPM
LPM
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0.0
7.8 15.1 22.7 30.3 37.8 45.4 52.9 60.5
PSI
Loss
3
⁄4" LF7R
GPM
LPM
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0
0.0
15.1 30.0 45.4 60.5 75.7 90.8
PSI
Loss
1" LF7R
MODEL SIZE DIMENSIONS WEIGHT
A B
in. in. mm in. mm lbs. kgs.
LF7RU2-2
1
⁄2 3
5
⁄8 92 1
7
⁄8 48 .7 .32
3
⁄4 3
5
⁄8 92 1
7
⁄8 48 .7 .32
1 3
7
⁄8 99 1
7
⁄8 48 .8 .36
LF7RU2L-2*
1
⁄2 4
7
⁄16 113 1
7
⁄8 48 .774 .351
3
⁄4 4
5
⁄16 109 1
7
⁄8 48 .819 .371
1 4¼ 108 1
7
⁄8 48 .866 .393
LF7RU2-U2
3
⁄4 3
11
⁄16 93 1
7
⁄8 48 .9 .41
LF7R10-U2 1 4
1
⁄2 114 1
7
⁄8 48 1.7 .77
LF7R10-U2L* 1x
3
⁄4 4
7
⁄8 124 1
7
⁄8 48 1.020 .462
LF7R10-U3 1 4
13
⁄16 122 1
7
⁄8 48 1.7 .77
* These models have the lay length of the equivalent No 7 and LF7 valves, for
convenience when replacing existing valves.
A
B
LF7R10-U2
Materials
• Body: Lead Free* copper silicon alloy
• Check Modules: Engineered composite
• Discs: Santoprene
• Seals: EPDM
• Springs: Stainless steel
LF7RU2-2
ES-LF7R 2021 © 2020 Watts
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