Victaulic FireLock NXT 768 Series User Manual

EXPLODEDVIEWDRAWING–TRIMCOMPONENTS
SERIES768FIRELOCKNXTDRYVALVETRIM
(OPTIONALACCESSORIESALSOSHOWN)
From Water
Supply
To
System
From System
Air Feed
24
15
9
8
23
2
14
16
6
10
17
13
18
19
20
22
12
7
11
1
22
3
4
5
21
A
Location
A
To Drip Cup
Location
A
To Drip Cup
Location
A
To Drip Cup
Location
Note 1
22
Bill of Materials
1 Series 768 FireLock NXT Dry Valve
2 FireLock Rigid Coupling (Optional/
Sold Separately – Comes Standard
when VQR Assembly is Ordered)
3 Water Supply Main Control Valve
(Optional/Sold Separately – Comes
Standard when VQR Assembly is Ordered)
4 Drain Swing Check Valve
5 Drip Cup with Cap
6 Alarm Pressure Switch (Optional/Sold
Separately – Comes Standard when VQR
Assembly is Ordered)
7 Series 729 Drip Check Valve
8 Diaphragm-Charge-Line Ball Valve
(Normally Open)
9 3-in-1 Strainer/Check/Restrictor
Assembly
10 Series 760 Water Motor Alarm
(Optional/Sold Separately)
11 Alarm Test Ball Valve
12 Diaphragm-Charge-Line Pressure
Gauge (0-300 psi/0-2068 kPa/0-20.7 B
13 Series 749 Auto Drain
14 Series 746-LPA Dry Accelerator
Assembly (Optional/Sold Separately)
15 Series 776 Low-Pressure Actuator
16 Air Manifold
17 Air Supervisory Pressure Switch
(Optional/Sold Separately – Comes
Standard when VQR Assembly is Ordered)
18 System Pressure Gauge
(0-80 psi/0-552 kPa/0-5.5 Bar with Retard)
19 Water Supply Main Drain Valve -
Flow Test
20 Water Supply Pressure Gauge
(0-300 psi/0-2068 kPa/0-20.7 Bar)
21 Drain Connection Kit (Optional/Sold
Separately – Comes Standard when VQR
Assembly is Ordered)
22 Gauge Valve
23 System Main Drain Valve
24 Series 748 Ball Check Valve
ar)
NOTE1: Connection point for the Series 75D Water Column Device Kit
For information regarding installation of the Series 75B Supplemental Alarm Device or the Series 7C7 Air Maintenance/Compressor Assembly (not
shown), refer to the instructions supplied with the product.
I-768_4
FireLockNXT™DryValve
SERIES768
I-768
INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL
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VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
REV_D

Victaulic FireLock NXT 768 Series Specifications

General

Brand	Victaulic
Model	FireLock NXT 768 Series
Category	Control Unit
Language	English