HD FIRE PROTECT H3 Manual

DELUGE VALVE
MODEL-H3
TECHNICAL DATA
MODEL
NOMINAL SIZE
SERVICE PRESSURE
END CONNECTION
THREADED OPENING BSPT
MOUNTING
FACTORY
HYDROSTATIC
TEST PRESSURE
FLANGE
CONNECTION
WET PILOT
SPRINKLER
HEIGHT LIMITATION
NET WEIGHT
WITHOUT TRIM
FINISH
APPROVAL
ORDERING
INFORMATION
GROOVE PIPE SIZE:
NOMINAL SIZE
2" (50 NB)
3" (80 NB)
4" (100 NB)
6" (150 NB)
6" (150 NB)
8" (200 NB)
NOTE: FOR 6"(150 NB) STANDARD SUPPLY IS 168.3 mm OD
GROOVE PIPE.
FOR 165.1mm REQUIREMENT, SPECIFY IN ORDER
MARCH, 2022
(DUCTILE IRON)
H3-Ductile Iron ASTM A
536-77 GRADE 65-45-12
200, 150, 100, 80 & 50NB
1.4 to 17.6 kg/sq.cm
(20 to 250 psi)
Flange X Flange
Groove X Groove
Vertical or Horizontal
35 kg/sq.cm (500 psi)
ANSI B 16.5 #150 FF
is standard supply.
(Contact HD Sales for other
options)
As per graph in the
catalogue
FXF
200 NB - 153 kg 143 kg
150 NB - 79 kg
100 NB - 50 kg
80 NB - 35 kg
50 NB - 32 kg
Red to RAL 3001
UL Listed
1. Size of valve
2. Flange specification or for
Grooved end specify pipe
outside diameter
3. Valve mounting- Horizontal
or Vertical
4. Trim type
Pipe OD in mm
60.3
89.0
114.3
165.1
168.3
219.1
GXG
68 kg
DESCRIPTION
42 kg
29 kg
Deluge Valve is known as a system control valve in
27 kg
a deluge system, used for fast application of water
in a spray system. Deluge valve protects areas such
as power transformer installation, storage tank,
conveyor protection and other industrial application
etc. With the addition of foaming agent, deluge valve
can be used to protect aircraft hanger and inflammable
liquid fire.
VALVE OPERATION
HD Deluge Valve is a quick release, hydraulically
operated diaphragm valve. It has three chambers,
isolated from each other by the diaphragm operated
clapper and seat seal. While in SET position, water
pressure is transmitted through an external bypass
check valve and restriction orifice from the system
supply side to the top chamber,
pressure in the top chamber act across the diaphragm
operated clapper which holds the seat against the
inlet supply pressure, because of the differential
pressure design. On detection of fire, the top chamber
is vented to atmosphere through the outlet port via
opened actuation devices. The top chamber pressure
cannot be replenished through the restricted inlet
port, and the upward force of the supply pressure
lifts the clapper allowing the water flow to the system
piping network and alarm devices.
PAGE 1 OF 16
HD FIRE PROTECT
PVT. LTD.
so that supply
HD 235