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The following procedures are a guide for proper assembly of Victaulic Series 758 Actuated System
Valves with Preaction Trim.
These instructions are based on pipe prepared and grooved properly in accordance with the latest
published Victaulic grooving specifications.
INTRODUCTION
• Always read and understand all installation
instructions before attempting assembly of
Victaulic piping products.
Failure to do so could result in serious per-
sonal injury, property damage, and/or valve
leakage.
• Piping systems must always be de-
pressurized and drained before at-
tempting disassembly of any Victaulic
piping products.
Failure to do so could result in serious
personal injury, property damage, and/or
valve leakage.
Clapper
Latch
Piston
Assembly
Alarm
Outlet
Alarm
Test
Seat
Seal
"WEEP" Hole
(Deluge and Preaction Valves)