Product Overview
ES-F-LF860L 1515
USA: Tel: (800) 767-1234 • Fax: (800) 788-4491 • FEBCOonline.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • FEBCOonline.ca
Latin America: (52) 81-1001-8600 • Fax: (52) 81-8000-7091 • FEBCOonline.com
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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