Relief Valve Discharge Rates Models LF860, LF866, LF880V, and LF886V Size:

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Relief Valve Discharge Rates Models LF860, LF866, LF880V, and LF886V Size:
ES-F-RVDR
S P E C I F I C AT I O N S H E E T
Relief Valve Discharge Rates
Models LF860, LF866, LF880V, and LF886V
Reduced Pressure Zone Assemblies Size: †21⁄2"-10"
175
ZONE PRESSURE (PSIG)
150
125
100
75
50
25
0
0 100200300400500600700800
FLOW RATE (GPM)
†Common Relief Valve Module for all Assemblies.
Typical Flow Rates as Sized by Floor Drain MFG.*
2" - 55 GPM
3" - 112 GPM
4" - 170 GPM
5" - 350 GPM
6" - 450 GPM
8" - 760 GPM
* Floor drain capacities are established by the floor drain manufacturers and are notrecommendations of FEBCO. Consult local
codes to insure drain installation meets all requirements.
FEBCO product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact FEBCO Technical Service. FEBCO reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on FEBCO products previously or subsequently sold.
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
ES-F-RVDR 1433
A Watts Water Technologies Company
© 2014 FEBCO