Product Overview

ES-F-LF860L 1515
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Performance
Flow capacity chart identifies valve performance based upon
rated water Velocity up to 20fps
• Maximum service flow rate is determined by maximum rated
Velocity of 7.5fps.
• AWWA Manual M-22 (Appendix C) recommends that the
maximum water Velocity in the services be not more than 10fps.
• UL flow rate is determined by typically rated Velocity of 15 feet/sec.
2
1
⁄2" LF860
3" LF860
4" LF860
6" LF860
8" LF860
10" LF860
psi
22
20
18
16
14
12
10
8
6
4
2
0
psi
22
20
18
16
14
12
10
8
6
4
2
0
psi
18
16
14
12
10
8
6
4
2
0
psi
18
16
14
12
10
8
6
4
2
0
psi
18
16
14
12
10
8
6
4
2
0
psi
18
16
14
12
10
8
6
4
2
0
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 gpm
284 568 852 1136 lpm
7.5 14.7 22.0 fps
0 50 100 150 200 250 300 350 400 450 500 gpm
379 757 1136 1514 lpm
7.5 14.5 22.0 fps
0 100 200 300 400 500 600 700 800 gpm
379 1136 1893 2650 lpm
7.5 12.8 19.1 fps
0 200 400 600 800 1000 1200 1400 1600 gpm
757 2271 3785 5300 lpm
7.5 11.4 17.0 fps
0 400 800 1200 1600 2000 2400 gpm
1514 3028 4543 6057 7571 9085 lpm
7.5 10.5 15.3 fps
0 600 1200 1800 2400 3000 3600 gpm
2271 4543 6814 9085 11356 13627 lpm
7.5 9.4 14.1 fps
Service Flow
Service Flow
Service Flow
Service Flow
Service Flow
Service Flow
Rated Flow
Rated Flow
Rated Flow
Rated Flow
Rated Flow
Rated Flow
*UL Rated Flow
*UL Rated Flow
*UL Rated Flow
*UL Rated Flow
*UL Rated Flow
*UL Rated Flow
Capacity
PSI Drop
(*Friction Loss)
PSI Drop
(*Friction Loss)
PSI Drop
(*Friction Loss)
PSI Drop
(*Friction Loss)
PSI Drop
(*Friction Loss)
PSI Drop
(*Friction Loss)
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