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INSTRUCTION MANUAL
L-Series Butterfly Valves
F6..L, F7..L
Ductile Butterfly Valves
Technical Data
Service
Flow characteristic
F6 modifi ed equal percentage
F7 linear
Controllable fl ow range
Sizes
Type of end fi tting
Materials
Body
Body fi nish
Disc
Seat
Shaft
Bushings
Media temperature range
Body pressure rating
Close-off pressure
Rangeability
Maximum velocity
Leakage
Warranty
Installation Recommendations
15 ... 20°
chilled, hot water, 60% glycol
90°
8" to 10"
for use with ANSI Class 125/150 fl anges
ductile iron ASTM A536
polyester powder coated
304 stainless steel
EPDM
420 stainless steel
Steel, PTFE, Bronze
-22
°F to 250°F [-30°C to 120°C]
232 psi
200 psi
10:1 (for 30° to 70° range)
12 FPS
0%
5 Years
2
1
90°
Outdoor
360 °
Indoor Only
3
®
90°
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Summary of Contents for Belimo L Series
- Page 1 ® INSTRUCTION MANUAL L-Series Butterfly Valves F6..L, F7..L Ductile Butterfly Valves Technical Data Service chilled, hot water, 60% glycol Flow characteristic F6 modifi ed equal percentage F7 linear Controllable fl ow range 90° Sizes 8” to 10” Type of end fi tting for use with ANSI Class 125/150 fl...
- Page 2 L-Series Butterfly Valves ® Instruction Manual D6..WL Max Torque for Bolts Valve Size Bolt Size Max Torque [ft-lbs] 8” 3/4-10” 10”-12” 7/8-9” General Maintenance Valve Installation Procedure The following periodic preventative maintenance practices are recommended Position the connecting pipe flanges in the line to insure proper alignment for all Butterfly Valves.