User guide

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

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

P/L

CLOSES VALVE

OPENS VALVE

FLOW

(AOS)

Y/FC

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

F115-58 (Globe)

F1115-58 (Angle)

f115-58 link

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R PRESSURE REDUCING VALVE with RETURN FLOW FEATURE 01/05 F115-58 (Globe) F1115-58 (Angle) Classic Series • 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 2 3 P/L (AOS) X X 3 4 X X Y/FC 1 FLOW CLOSES VALVE OPENS VALVE STANDARD COMPONENTS 1 - Main Valve (Single Chamber) 2 - Pressure Reducing Control 3 - Check Valve 4 - Fixed Oriﬁce OPTIONS and AC