Watts S1127-2 User Manual
Stainless series, Two-way flow altitude valve
8550 Hansen Road
•
Houston, Texas 77075
•
(Ph) 713.943.0688
•
(Fx) 713.944.9445
•
www.wattsacv.com
STANDARD COMPONENTS
OPTIONS and ACCESSORIES
01/05
R
Stainless Series
TWO-WAY FLOW ALTITUDE VALVE
• 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
• 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 Ball Valve
P - Position Indicator
°
X - Isolation Cocks
°
FC - Flo-Clean Strainer
°
Y - Y-Strainer (Replaces Flo-Clean)
°
L - Limit Switch
P(L)
7
5
4
4
3
CLOSES VALVE
OPENS VALVE
FLOW
(Tank Sense Line)
6
2
1
X
Y/FC
X
X
X
S127-2 or S6127-2 (Globe)
S1127-2 or S61127-2 (Angle)
s127-2 link