Victaulic FireLock NXT 776 Series User Manual

EXPLODEDVIEWDRAWING–INTERNALVALVECOMPONENTS
Clapper
Seal
Diaphragm
Assembly
Latch
Clapper
Seat
NOTE: VALVE IS SHOWN ABOVE IN THE “SET” POSITION
Exaggerated for Clarity
Bill of Materials
1 Valve Body 12 Cover Plate
2 Clapper 13 Cover Plate Gasket
3 Clapper Seal 14 Cover Plate Bolts*
4 Seal Ring 15 Latch
5 Seal Washer 16 Latch Spring
6 Seal Retaining Ring 17 Latch Shaft Bushing and O-Ring (Qty. 2)
7 Seal Assembly Bolt 18 Diaphragm
8 Bolt Seal 19 Diaphragm Cover
9 Clapper Spring 20 Diaphragm Cover Cap Screws (Qty. 8)
10 Clapper Shaft 21 Latch Shaft
11 Clapper Shaft Bushing and O-Ring (Qty. 2)
1
12
11
17
17
11
21
20
9
4
3
10
18
19
7
8
15
16
14
13
2
5
6
* NOTE: The 1½-inch/48.3-mm and 2-inch/60.3-mm valve sizes contain washers under the heads of
the cover plate bolts.
I-769D_10
FireLockNXT™DelugeValve
SERIES 769
I-769D
INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL
www.victaulic.com
VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
REV_D

Victaulic FireLock NXT 776 Series Specifications

General

Brand	Victaulic
Model	FireLock NXT 776 Series
Category	Control Unit
Language	English