AQUATROL 69 Manual

USING A PROPER SIZED WRENCH, REMOVE THE HOOD (11)

LOOSEN THE LOCK NUT (14) (THEIR IS NO LOCK NUT ON 1/2''

AND 3/4'' VALVES)

ADJUST THE PRESSURE SCREW (12)

INCREASE PRESSURE BY TURNING CLOCKWISE

(TIGHTEN).

DECREASE PRESSURE BY TURNING COUNTER-CLOCKWISE

(LOOSEN).

AFTER THE DESIRED PRESSURE IS OBTAINED, TIGHTEN

THE LOCK NUT (14)

REINSTALL THE HOOD (11)

DO NOT OVER TIGHTEN & ONLY USE PROPERLY SIZED

WRENCHES THROUGHOUT.

FLOW RATE NOTATION:

THE FLOW RATE CHANGES BASED ON THE ADJUSTMENT OF PRESSURE SETTINGS. LESS PRESSURE INCREASES

FLOW RATE / MORE PRESSURE (HIGHER) DECREASES THE FLOW RATE OR GPM.

Figure No. 69

Adjustable Relief Valve

Installation & Operating Instructions

WHEN INSTALLING (OR ADJUSTING) THIS VALVE:

USE ONLY THE PROPER SIZED HEX WRENCH FOR ALL FITTINGS.

IF USING PIPING COMPOUND OR TAPE, DO NOT APPLY TO

THE BOTTOM FEW THREADS AS THE PRESENCE OF ANY FOREIGN OBJECTS

WITHIN THE VALVE CHAMBER COULD AFFECT THE PERFORMANCE OF THIS

PRODUCT.

THE VALVE IS AVAILABLE IN PRESSURE SETTINGS FROM

5 PSI TO 600 PSI

PRESSURE SETTINGS ARE BASED ON THE SPRING RANGES.

(CONTACT AQUATROL FOR SPECIFICATIONS)

THE PRESSURE RANGE IS INDICATED ON THE NAMEPLATE ATTACHED TO

THE VALVE BODY.

oNOTE- THE VALVE SHOULD BE ADJUSTED USING A PRESSURE

GAUGE WITHIN THE STAMPED RANGE ON THE VALVE.

ADJUSTMENT OUTSIDE OF THE PRESSURE RANGE CAN CAUSE

THE VALVE TO BE COMPLETELY CLOSED OFF RESULTING IN

SEVERE OVERPRESSURE.

Customer Support/Service: 630-365-5434 Or Toll Free 1-800-365-5400

www.aquatrol.com

ADJUSTMENT PROCEDURE:

USING THE PROPER SIZED WRENCH REMOVE THE HOOD (11)

LOOSEN THE PRESSURE SCREW LOCK NUT (14) (THEIR IS NO LOCK

NUT ON 1/2" AND 3/4" VALVES)

LOOSEN THE PRESSURE SCREW (12) (COUNTER-CLOCKWISE)

REMOVE THE BONNET (2) FROM THE BODY (1)

•PLACE THE HEX OF THE BODY (1) INTO A VISE

•SCREW A FITTING INTO THE OUTLET OF THE BONNET (2)

•USE A PIPE AND LOOSEN THE BODY (1) FROM THE

BONNET (2)

ONCE THE BODY (1) IS FREE FROM THE BONNET (2) REMOVE THE

DISC (4) FROM THE BODY (1)

USING A RAG WIPE DOWN THE SEATING SURFACE ON THE BODY

(1) AND DISC (4)

IF POSSIBLE USE A 400 GRIT LAPPING COMPOUND AND RE-LAP THE

BODY (1) AND DISC (4) TOGETHER

•PLACE LAPPING COMPOUND ON SEATING SURFACE OF THE

BODY (1)

•PLACE THE DISC (4) INTO THE BODY (1)

•APPLY LIGHT PRESSURE, HOLD THE DISC (4) STATIONARY

AND SPIN THE BODY (1) ONTO THE DISC FOR 2 MINUTES

REMOVE THE BODY (1) AND DISCC (4) FROM EACH OTHER AND WIPE

CLEAN ANY LAPPING COMPOUND RESIDUE

THE LAPPED AREAS ON THE DISC (4) AND BODY (1) SHOULD BE

FREE OF ANY PREVIOUS MARKS, IF THERE ARE MARKS LEFT LAP

AGAIN

REASSEMBLE THE VALVE AND THEN ADJUST YOUR PRESSURE

ACCORDNGLY

PLEASE SEE THE FRONT OF THIS SHEET FOR PRESSURE

ADJUSTMENT INSTRUCTIONS

NOTE- IF THERE ARE ANY LARGE GOUGES ON THE SEATING

SURFACE, MACHINING OR NEW PARTS WILL BE REQUIRED

FLOW RATE NOTATION:

THE FLOW RATE CHANGES BASED ON THE ADJUSTMENT OF PRESSURE SETTINGS. LESS PRESSURE INCREASES

FLOW RATE / MORE PRESSURE (HIGHER) DECREASES THE FLOW RATE OR GPM.

Customer Support/Service: 630-365-5434 Or Toll Free 1-800-365-5400

www.aquatrol.com

Figure No. 69

Adjustable Relief Valve

Disassembly and Re-Lapping Instructions

PROCEDURE:

Table of contents

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