Watts M1127-8 - Manual

R
8550 Hansen Road • Houston, Texas 77075 • (Ph) 713.943.0688 • (Fx) 713.944.9445 • www.wattsacv.com
STANDARD COMPONENTS OPTIONS and ACCESSORIES
01/05
Mustang Series
ONE-WAY FLOW ALTITUDE VALVE
with PRESSURE SUSTAINING
FEATURE
• Designed for Tank Fill applications
• Opens when Tank head pressure is below setpoint
• Closes when Tank head pressure is above setpoint
• Throttles to maintain minimum upstream pressure • Tank Sense Line is field installed (to Tank or
standpipe)
• Adjustable Opening and Closing Speed
• Altitude and Sustaining setpoints are adjustable
1 - Main Valve (Single Chamber)
2 - Fig. 22 Accelerator Control
3 - Altitude Control
4 - Check Valve
5 - Pressure Sustaining Control
6 - Adjustable Closing Speed
P - Position Indicator ° X - Isolation Cocks
° FC - Flo-Clean Strainer
° Y - Y-Strainer (Replaces Flo-Clean)
° AOS - Adjustable Opening Speed
° L - Limit Switch
P(L)
1
X
X
5
4
6
2
3
X
Y/FC
CLOSES VALVE
OPENS VALVE
FLOW
(Tank Sense Line)
M127-8 or M6127-8 (Globe)
M1127-8 or M61127-8 (Angle)
m127-8 link