Watts M1115-58 User Manual
Mustang series, Pressure reducing valve with return flow feature
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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
Mustang Series
PRESSURE REDUCING VALVE with
RETURN FLOW FEATURE
• Throttles to reduce high upstream pressure to
constant lower downstream pressure
• Return Flow Feature opens valve when
downstream pressure is higher than upstream
• Reducing setpoint is adjustable
1
X
X
X
X
Y/FC
P/L
2
CLOSES VALVE
OPENS VALVE
FLOW
(AOS)
3
3
4
1 - Main Valve (Single Chamber)
2 - Pressure Reducing Control
3 - Check Valve
4 - Fixed Orifice
°
X - Isolation Cocks
°
FC - Flo-Clean Strainer
°
Y - Y-Strainer (Replaces Flo-Clean)
°
ACS - Adjustable Closing Speed
(Replaces Fixed Orifice)
°
AOS - Adjustable Opening Speed
°
P – Position Indicator
°
L – Limit Switch
M115-58 or M6115-58 (Globe)
M1115-58 or M61115-58 (Angle)
m115-58 link