Watts M1127-2 User Manual

R

TWO-WAY FLOW ALTITUDE VALVE

P(L)

1

X

X X

X

Y/FC

7

5

4

4

6

2

3

CLOSES VALVE

OPENS VALVE

FLOW

(Tank Sense Line)

01/05

Mustang Series

• 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

M127-2 or M6127-2 (Globe)

M1127-2 or M61127-2 (Angle)

• 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

OPTIONS and ACCESSORIESSTANDARD COMPONENTS

° X - Isolation Cocks
° FC - Flo-Clean Strainer
° Y - Y-Strainer (Replaces Flo-Clean)
° L - Limit Switch

8550 Hansen Road • Houston, Texas 77075 • (Ph) 713.943.0688 • (Fx) 713.944.9445 • www.wattsacv.com