Instruction Manual

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

STANDARD COMPONENTS OPTIONS and ACCESSORIES

01/05

Classic 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)

Y/FC

CLOSES VALVE

OPENS VALVE

FLOW

(Tank Sense Line)

Y/FC

F127-8 (Globe)

F1127-8 (Angle)

f127-8 link

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ONE-WAY FLOW ALTITUDE VALVE with PRESSURE SUSTAINING FEATURE R 01/05 F127-8 (Globe) F1127-8 (Angle) Classic Series • • • • 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 P(L) 3 (Tank Sense Line) X 2 6 4 Y/FC X X