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 and

SUSTAINING VALVE with

HYDRAULIC CHECK FEATURE

• Throttles to reduce high upstream pressure to

constant lower downstream pressure

• Throttles to maintain minimum upstream pressure

• Hydraulic Check Feature prevents ﬂow reversal

• Reducing and Sustaining setpoints are separately

adjustable

1 - Main Valve (Single Chamber)

2 - Pressure Reducing Control

3 - Pressure Sustaining Control

4 - Check Valve

5 - 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

P/L

Y/FC

CLOSES VALVE

OPENS VALVE

FLOW

(AOS)

F115-11 (Globe)

F1115-11 (Angle)

f115-11 link

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PRESSURE REDUCING and SUSTAINING VALVE with HYDRAULIC CHECK FEATURE R 01/05 F115-11 (Globe) F1115-11 (Angle) Classic Series • Throttles to reduce high upstream pressure to constant lower downstream pressure • Throttles to maintain minimum upstream pressure • Hydraulic Check Feature prevents ﬂow reversal • Reducing and Sustaining setpoints are separately adjustable 3 2 P/L (AOS) 4 X X 5 4 X X Y/FC 1 FLOW CLOSES VALVE OPENS VALVE STANDARD COMPONENTS 1 - Main Valve (Single Chamber) 2 - Pressure