Watts F1127-31 - Manual

8550 Hansen Road • Houston, Texas 77075 • (Ph) 713.943.0688 • (Fx) 713.944.9445 • www.wattsacv.com
01/05
R
Classic Series
TWO-WAY FLOW ALTITUDE VALVE
with SOLENOID OVERRIDE
FEATURE
• Designed for Tank Fill and Discharge applications
• Opens when Tank head pressure is below setpoint
• Closes when Tank head pressure is above setpoint
• Opens for return flow when upstream system
pressure is below Tank head pressure
• Solenoid (On-Off) Feature provides electrical
override of Tank Fill function
• Tank Sense Line is field installed (to Tank or
standpipe)
• Adjustable Opening and Closing Speed
• Altitude setpoint is adjustable
1 - Main Valve (Single Chamber)
2 - Fig. 22-1 Accelerator Control
3 - Altitude Control
4 - Check Valve
5 - Adjustable Opening Speed
6 - Adjustable Closing Speed
7 - 3-Way Solenoid
8 - 3-Way Ball Valve
P - Position Indicator ° X - Isolation Cocks
° FC - Flo-Clean Strainer
° Y - Y-Strainer (Replaces Flo-Clean)
° L - Limit Switch
P(L)
X X
X X
1
Y/FC
8 5
6
4
7
2
3
(Tank Sense Line)
4
CLOSES VALVE
OPENS VALVE
FLOW
STANDARD COMPONENTS OPTIONS and ACCESSORIES
F127-31 (Globe)
F1127-31 (Angle)
f127-31 link