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Model BR4EC
Pressure Reducing Valve with Integral By-pass
and Pressure Relief Valve
(1/2", 3/4", 1 1/4", 1 1/2" & 2")
gauge be installed downstream of the regulator to ensure pres-
sure is reduced below 75 psi.
q Installation q Maintenance Instructions
It is recommended a pressure
OUTER LOCKNUT
SEALED CAGE
WASHER
BELL HOUSING
INNER LOCKNUT
SPRING*
DISC
RETAINING*
BOLT
*LOWER O-RING
UNION NUT
*INDICATES PARTS SUPPLIED IN REPAIR KITS
P1520 PRESSURE RELIEF VALVE
DIRECTION OF FLOW
a
company
ADJUSTMENT BOLT
FRICTION RING DETAIL
*FRICTION RING
*SPRING
*CARTRIDGE
UPPER O-RING*
*UNION GASKET
UNION TAILPIECE
BODY
P1520
MODEL BR4EC
DRAIN
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Table of Contents
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Summary of Contents for ZURN WILKINS BR4EC
- Page 1 Model BR4EC Pressure Reducing Valve with Integral By-pass company and Pressure Relief Valve (1/2", 3/4", 1 1/4", 1 1/2" & 2") q Installation q Maintenance Instructions ADJUSTMENT BOLT OUTER LOCKNUT SEALED CAGE WASHER BELL HOUSING FRICTION RING DETAIL INNER LOCKNUT SPRING* *FRICTION RING DISC...
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Page 2: Troubleshooting
B. Chatter usually originates with worn seat washer or loosely installed seal ring. Relief valve discharges continuously. Regulator is fouled by debris. Relief valve is fouled by debris. Pressure build up due to thermal expansion. company WILKINS OPERATION OF ZURN PLUMBING PRODUCTS...
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