FireFlex DUAL - Page 17

®
DUAL Page 13 of 28
Integrated Fire Protection System
OWNER'S OPERATION & MAINTENANCE MANUAL
FM-0860-0-31F
Figure 4.5 - FIREFLEX
®
DUAL - Double interlocked preaction trim
Components:
A1 Deluge valve
B1 Priming valve
B2 Strainer
B3 1/16" Restricted orifice
B4 Spring loaded check valve
B5 Alarm test valve
B6 Drain test valve
B7 Drip check valve
B8 Drain check valve
B9 Pressure operated relief valve (PORV)
B10 Emergency release valve
B11 Prime pressure water gauge & valve
B12 Water supply pressure gauge & valve
B13 Clapper check valve
C1 Alarm pressure switch
C2 Connection to water motor gong (strainer
supplied by contractor)
D1 Water supply control valve
D2 Riser check valve
D3 Main drain valve
F1 N.C solenoid valve (24Vdc)
F3 Pneumatic actuator
D1
D2
A1
B13
F IRE F LEX DUAL base
(shown without enclosure)
Field connection
to open drain
Field connection
to water supply
Field connection
to sprinklers piping
Hydrostatic test port
(water supply side)
3
From air
supply trim
C1
C1
FM-076Z-0-14C-1
F3
From air
supply trim
1
B5
B10
B9
B3
B4
B2
Hydrostatic test port
(system side)
D3
B11
B12
C2
B7
F1
B8
B1
B6