HD FIRE PROTECT H3 Manuale utente
OCTOBER, 2014 HD 235PAGE 1 OF 16
DELUGE VALVE MODEL-H3
(DUCTILE IRON)
TECHNICAL DATA
MODEL H3-Ductile Iron ASTM A
536-77 GRADE 65-45-12
NOMINAL SIZE 200, 150, 100, 80 and 50NB
SERVICE PRESSURE 1.4 to 17.5 Bar
(20 to 250 PSI)
THREADED OPENING BSPT
MOUNTING Vertical or Horizontal
mounting
FACTORY 35 Kg./sq.cm. (500 PSI)
HYDROSTATIC
TEST PRESSURE
FLANGE CONNECTION ANSI B 16.5 #150FF
(RF-Optional)
WET PILOT As per graph in the
SPRINKLER catalogue
HEIGHT LIMITATION
NET WEIGHT 200 NB - 153 Kg
WITHOUT TRIM 150 NB - 79 Kg
100 NB - 50 Kg
80 NB - 35 Kg
50 NB - 32 Kg
FINISH RAL 3000
APPROVAL UL Listed
ORDERING 1. Size of valve
INFORMATION 2. Flange specification
3. Valve trim vertical or
horizontal
4. Trim type
9P76
LISTED
DESCRIPTION
Deluge Valve is known as a system control valve in 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, so that supply
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.
TRIM DESCRIPTION
The trims are functionally termed as Dry Pilot Trim,
Wet Pilot Trim, Electric Trim and Test and Alarm Trim
as per the mehod of actuation of the deluge valve.
The functionality of these trims is described below..
a) DRY PILOT TRIM (PNEUMATIC RELEASE)
Dry pilot operation uses a pilot line of closed
Sprinkles/QB detectors containing air under
pressure, located in the areato be protected.
It requires regulated dry air supply with main supply
point through restricted orifice. The air pressure
to bemaintained as specified in the catalogue of
Dry Pilot Actuator. The pilot line is connected to air
inlet side of actuator. The top chamber of the
deluge valve is connected to water inlet side of
actuator.
When there is an air pressure drop, or due to
release of any of the release device on detection
of fire, the diaphragm of actuator is lifted and
allows the water to drain. This releases the water
pressure in the top chamber of the deluge valve,
allowing the deluge valve to open and water to flow
into the system piping & alarm devices.
Recommended air supply pressure for dry pilot
trim system is 3.5 kg/sq.cm.
User must install non return valve at air supply
connection to deluge valve trim.
In dry pilot trim, an actuator (DPA) is provided.
An optional Pneumatic Reset Device (PRD) can
OCTOBER, 2014 HD 235PAGE 2 OF 16
be provided, which acts as a manual reset device
in the dry pilot line.
b) WET PILOT TRIM (HYDRAULIC RELEASE)
Wet pilot operation uses a pilot line of closed
Sprinklers/QB detectors containing pressurized
water, supplied through the upstream side of
the Deluge valve, through a restricted orifice. All
the release lines are connected to a common
release line. Due to release of any one of the
release device, the water pressure in the top
chamber of the Deluge valve drops and the Deluge
valve opens.
c) ELECTRIC RELEASE TRIM
To actuate a Deluge valve electrically, a solenoid
valve is provided to drain the water from the top
chamber of the Deluge valve. A pressure switch is
provided to activate an electric alarm, to shut
down the desired equipment or to give “Tripped”
indication of the Deluge valve. In addition to this a
pressure switch can also monitor “Low air
pressure” and “Fire condition” when used in dry
pilot air line.
d) TEST AND ALARM TRIM
This trim is supplied with a test valve is provided
to test thenormal operation of the sprinkler alarm
bell. The sprinkler alarmcan be supplied additionally,
which bells on actuation of the Deluge valve.
e) DRAIN AND DRIP TRIM
This consists of main and system drain valve in
addition with drip valve.
TRIM TYPES
The trims are designated as follwing.
W =Wet Pilot trim. D = Dry Pilot Trim
a) Type ET-W and ET-D
This type of trim is basic trim required to
operate the deluge valve. A solenoid valve for
electric remote actuation and pressure switch
for sensing & announciation are optional.
b) Type ETW-D and ETD-D
This trim type is a combination of components
of the ET trim along with the drip and drain
trim. A solenoid valve for electric remote actuation
and pressure switch for sensing & announciation
are optional.
c) Type ETW-T and ETD-T
This trim type is a combination of components of
the ET trims along with the test and alarm trim.
In dry pilot trim, an actuator DPA-H1 is provided
with optional Pneumatic Reset Device (PRD-1).
A solenoid valve for electric remote actuation
and pressure switch for sensing & announciation
are optional.
d) Type NT-W and NT-D
This trim type is a combination of components of
the ET trim along with the test and alarm trim
as well as the drip and drain trim. A solenoid valve
for electric remote actuation and pressure switch
for sensing & announciation are optional.
TRIM
MODEL
NO.
TRIM DESCRIPTION MOUNTING SCHEMATIC
NO.
ETW Basic Wet Pilot Trim Vertical Schematic 1
ETD Basic Dry Pilot Trim Vertical Schematic 2
ETW-T Basic Wet Pilot Trim with Test & Alarm Trim Vertical Schematic 3
ETD-T Basic Dry Pilot Trim with Test & Alarm Trim Vertical Schematic 4
ETW-D Basic Wet Pilot Trim with Drip & Drain Trim Vertical Schematic 5
ETD-D Basic Dry Pilot Trim with Drip & Drain Trim Vertical Schematic 6
NTW Basic Wet Pilot Trim with Test & Alarm Trim and Drip & Drain Trim Vertical Schematic 7
NTD Basic Dry Pilot Trim with Test & Alarm Trim and Drip & Drain Trim Vertical Schematic 8
ETW Basic Wet Pilot Trim Horizontal Schematic 9
ETD Basic Dry Pilot Trim Horizontal Schematic 10
ETW-T Basic Wet Pilot Trim with Test & Alarm Trim Horizontal Schematic 11
ETD-T Basic Dry Pilot Trim with Test & Alarm Trim Horizontal Schematic 12
ETW-D Basic Wet Pilot Trim with Drip & Drain Trim Horizontal Schematic 13
ETD-D Basic Dry Pilot Trim with Drip & Drain Trim Horizontal Schematic 14
NTW Basic Wet Pilot Trim with Test & Alarm Trim and Drip & Drain Trim Horizontal Schematic 15
NTD Basic Dry Pilot Trim with Test & Alarm Trim and Drip & Drain Trim Horizontal Schematic 16
OCTOBER, 2014 HD 235PAGE 3 OF 16
RESETTING PROCEDURE FOR THE
DELUGE VALVE
(i) Close the upstream side stop valve provided below
the deluge valve
ii) Open both the drain valves/ drain plugs and close
when the flow of water has ceased
(iii) Close the release device/replace the Sprinkler if
release was through Sprinkler/QB Detector
iv) Inspect and release if required, or close the
section of the detection system subjected to
“Fire condition”
(v) In case of dry pilot detection system, open the air
supply valve to build-up air pressure. Open the
priming valve fully. Open the upstream side of the
stop valve provided below the Deluge valve. No
water should flow into the system
vi) Where priming shut off valve is provided for
resetting, in addition to above steps press the
knob on actuator while resetting
CAUTION
(a) Do not close the priming valve, downstream and
upstream stop valves, while the system is in
service
(b) The releasing device must be maintained in the
open position, when actuated, to prevent the
deluge valve from closure if anti shut off valve is
not provided
(c) While using a Deluge valve in the wet pilot system
the height and the length of the wet pilot
detection line is to be limited as shown in
the wet pilot sprinkler height limitation graph
(d) Do not connect the Sprinkler Alarm outlet drain
line to close a common drain as it may create
back pressure and Sprinkler Alarm may not
function
(e) Deluge valve must have support to absorb sudden
opening or closing vibration shock to the piping
(f) To avoid water damage, take precautions when
opening the water supply main control valve, since
water will flow from all open system valves
(g) The responsibility of maintenance of the protection
system and devices in proper operating condition
lies with the owner of the system.
SYSTEM TESTING PROCEDURE
(i) Keep the upstream side of the stop valve partially
open. To avoid water flow to system side close the
system side stop valve. This valve is to be kept in
open position after the testing is completed
(ii) Let any of the release devices to trip. This will
result in a sudden drop of water pressure in
the deluge valve top chamber which in turn will
open the deluge valve. Close the upstream side
stop valve immediately
(iii) Reset the valve as per the procedure given
under heading “RESETTING PROCEDURE FOR THE
DELUGE VALVE”
INSPECTION AND MAINTENANCE
Installed system piping network must be flushed
properly before placing the Deluge valve in service.
A qualified and trained person must commission the
system. After few initial successful tests, an authorized
person must be trained to perform inspection and
testing of the system. It is recommended to have
regular inspection and test run of the system as per
NFPA guideline or in accordance to the organisation
having local jurisdiction.
(i) WARNING
Inspection and testing is to be carried out only by
authorised and trained personnel. DO NOT TURN
OFF the water supply or close any valve to make
repair(s) or test the valve, without placing a
roving fire patrol in the area covered by the
system. Also inform the local security personnel
and central alarm station, so that there is no
false alarm signal.
It is recommended to carry out physical inspection
of the system at least twice in a week. The
inspection should verify that all the control valves
are in proper position as per the system
requirement and that there are no damages to
any component.
The frequency of inspections must be increased
in the presence of contaminated water supplies,
corrosive/ scaling water supplies, and corrosive
atmospheres.
(ii) NORMAL CONDITION
(a) All main valves are open and are sealed with
tamper proof seal
(b) Drain valves must be kept closed
(c) No leak or drip is detected from the drip valve
(d) All the gauges except the system side water
pressure gauge, should show the required
pressure
(e) There should be no leakage in the system
(iii) NORMAL CONDITION TEST
(a) The system should be checked for normal
condition at least once in a week
(b) Test the sprinkler alarm bell or electric alarm
by turning the alarm test valve to the test
position. The alarm should sound. This test should
be carried out at least once in a week
OCTOBER, 2014 HD 235PAGE 4 OF 16
(c) Depress the drip valve knob. Significant
accumulation indicates a possible seat leakage
(d) Conduct the water flow test as per the procedure
of system testing at least once a month
(iv) PERIODIC CHECK
Conduct the water flow test by actuating few of
the release devices provided in the system. Clean all
strainer(s) and priming line restriction. This test is to
be carried out at least once in three months.
ABNORMAL CONDITION
(i) ALARM FAILS TO SOUND
(a) Check for any obstruction in the alarm test
line, make certain that the sprinkler alarm is free
to operate
(b) If an electric alarm is provided, check the
electrical circuitry to the alarm
(ii) FALSE TRIPS
(a) Check for clogging in priming line, restriction
orifice check valve, priming valve & strainer
(b) Leakage in the release system
(c) The deluge air panel orifice clogged or low
supply pressure
(iii) LEAKAGE THROUGH THE DELUGE VALVE
(a) Damaged deluge valve seat or obstruction on
the seat face by foreign object
(b) Leakage in release system
(c) Partly clogged priming line restriction orifice
check valve
(d) Low air pressure on release system line or
leakage in release system
OCTOBER, 2014 HD 235PAGE 5 OF 16
DELUGE VALVE MODEL - H3 SIZE 200 / 150 / 100 / 80/ 50 NB
1
2
4
5
6
7
8
9
10
12
13
14
15
16
17
19
11
18
20
21
3
OCTOBER, 2014 HD 235PAGE 6 OF 16
DELUGE VALVE MODEL - H3 SIZE 200 / 150 / 100 / 80 / 50 NB
ITEM
NO.
PART NO.
DESCRIPTION
QTY
MATERIAL
SPECIFICATION
200
NB
150
NB
100
NB
80
NB
50
NB
200
NB
150
NB
100
NB
80/50
NB
1 NA NA NA NA NA HOUSING 1 1 1 1 DUCTILE IRON
2 8561 9783 9784 9791 9791 “O” RING 1 1 1 1 NEOPRENE RUBBER
3 4025 3993 4003 4017 4017 SEAT 1 1 1 1 STAINLESS STEEL *
4 9151 9112 9112 - - BOLT 8 4 4 - STAINLESS STEEL
5 4026 3994 4004 4018 4018 RUBBER CLAMP 1 1 1 1 DUCTILE IRON **
6 4027 4000 4005 4023 4023 RUBBER SEAT 1 1 1 1 NEOPRENE RUBBER
7 4034 3990 4011 4041 4041 CLAPPER 1 1 1 1 DUCTILE IRON **
8 4035 2427 2507 2786 2786 DIAPHRAGM 1 1 1 1 NEOPRENE RUBBER
9 4030 2424 2504 2788 2788 CLAMP RING 1 1 1 1 DUCTILE IRON **
10 8806 9151 9151 9187 9187 BOLT 12 8 8 8 STAINLESS STEEL
11 9986 9986 9986 9986 9986 “O” RING 1 1 1 1 NEOPRENE RUBBER
12 4029 3996 4007 4020 4020 SPINDLE 1 1 1 1 STAINLESS STEEL
13 9185 8838 8838 9185 9185 NUT 1 1 1 1 STAINLESS STEEL
14 9186 9184 9184 9186 9186 LOCK NUT 1 1 1 1 STAINLESS STEEL
15 2980 2979 2978 2977 2977 SPRING 1 1 1 1 STAINLESS STEEL
16 4033 3998 4010 3983 3983 ADAPTOR 1 1 1 1 BRASS
17 NA NA NA NA NA COVER 1 1 1 1 DUCTILE IRON
18 9008 9049 9051 8692 8692 BOLT 16 12 12 12 CARBON STEEL
19 9982 9982 9982 9982 9982 “O” RING 1 1 1 1 NEOPRENE RUBBER
20 2514 2514 2514 2514 2514 PLUG 1 1 1 1 STEEL PLATED
21 8843 - - - - ALLEN BOLT 6 - - - STAINLESS STEEL
VALVE
NOMINAL
SIZE AB
200 NB 552 332
150 NB 462 282
100 NB 412 245
80 NB 372 232
50 NB 320 232
NA - PART REPLACEMENT NOT AVAILABLE
* Stainless Steel is standard supply Bronze is optional supply.
** Ductile Iron is standard supply Bronze/Stainless Steel is optional supply.
DIMENSION in millimeter (Approximate)
B
A
OCTOBER, 2014 HD 235PAGE 7 OF 16
SCHEMATIC FOR WET PILOT BASIC TRIM FOR DELUGE VALVE
MODEL - H3 FOR VERTICAL MOUNTING
SCHEMATIC FOR DRY PILOT BASIC TRIM FOR DELUGE VALVE
MODEL - H3 FOR VERTICAL MOUNTING
SCHEMATIC 1
ETW
PG
~
M
OD
INLET
SCV
PG
OUTLET
LINE
TO DETECTION
RN
OD
DV
SV
**
~
PS2
**
SCHEMATIC 2
ABBREVIATION & SYMBOLS
DV DELUGE VALVE VALVE SWING CHECK VALVE
SV SOLENOID VALVE --- BY USER ANGLE VALVE
G SPRINKLER ALARM (WMG) ** OPTIONAL DPA DRY PILOT ACTUATOR
M EMERGENCY RELEASE STATION STRAINER RN-A RESTRICTION NOZZLE (AIR LINE)
RN RESTRICTIOIN NOZZLE (PRIMING LINE) OD OPEN DRAIN SCV SWING CHECK VALVE
PS1 LOW AIR ALARM PRESSURE SWITCH PG PRESSURE GUAGE
PS2 WATER FLOW PRESSURE ALARM SWITCH
PG
~
M
OD
INLET
CV
PS1
PG
PG
OUTLET
DPA
RN-A
AIR SUPPLY
LINE
TO DETECTION
**
RN
OD
OD
DV
SV
**
~
CV
ETD
PS2
**
OCTOBER, 2014 HD 235PAGE 8 OF 16
SCHEMATIC FOR WET PILOT BASIC TRIM FOR DELUGE VALVE
MODEL - H3 FOR VERTICAL MOUNTING
SCHEMATIC FOR DRY PILOT BASIC TRIM FOR DELUGE VALVE
MODEL - H3 FOR VERTICAL MOUNTING
SCHEMATIC 3
PG
~
M
SCV
PG
LINE
TO DETECTION
RN
OD
DV
SV
**
~
G
OD
PS2
**
SCV
ETWT
INLET
OUTLET
OD
**
SCHEMATIC 4
PG
~
M
OD
PG
DPA
LINE
TO DETECTION
RN
OD
OD
DV
DV
~
G
OD
PS2
**
SCV
ETDT
INLET
OUTLET
SCV
PG
SV
**
SCV
**
PS1
**
AIR SUPPLY RN-A
ABBREVIATION & SYMBOLS
DV DELUGE VALVE VALVE SWING CHECK VALVE
SV SOLENOID VALVE --- BY USER ANGLE VALVE
G SPRINKLER ALARM (WMG) ** OPTIONAL DPA DRY PILOT ACTUATOR
M EMERGENCY RELEASE STATION STRAINER RN-A RESTRICTION NOZZLE (AIR LINE)
RN RESTRICTIOIN NOZZLE (PRIMING LINE) OD OPEN DRAIN SCV SWING CHECK VALVE
PS1 LOW AIR ALARM PRESSURE SWITCH PG PRESSURE GUAGE
PS2 WATER FLOW PRESSURE ALARM SWITCH
OCTOBER, 2014 HD 235PAGE 9 OF 16
SCHEMATIC FOR WET PILOT BASIC TRIM FOR DELUGE VALVE
MODEL - H3 FOR VERTICAL MOUNTING
SCHEMATIC FOR DRY PILOT BASIC TRIM FOR DELUGE VALVE
MODEL - H3 FOR VERTICAL MOUNTING
SCHEMATIC 5
PG
~
M
OD
SCV
PG
LINE
TO DETECTION
RN
OD
DV
SV
**
~
DR.V
OD
OD
~
OD
ETWD
INLET
OUTLET
PS2
**
SCHEMATIC 6
PG
~
M
OD
PG
DPA
LINE
TO DETECTION
RN
OD
OD
DV
~
DR.V
OD
OD
~
OD
ETDD
INLET
OUTLET
SCV
PG
SV
**
SCV
PS1
**
AIR SUPPLY RN-A
PS2
**
ABBREVIATION & SYMBOLS
DV DELUGE VALVE VALVE SWING CHECK VALVE
SV SOLENOID VALVE --- BY USER ANGLE VALVE
G SPRINKLER ALARM (WMG) ** OPTIONAL DPA DRY PILOT ACTUATOR
M EMERGENCY RELEASE STATION STRAINER RN-A RESTRICTION NOZZLE (AIR LINE)
RN RESTRICTIOIN NOZZLE (PRIMING LINE) OD OPEN DRAIN SCV SWING CHECK VALVE
PS1 LOW AIR ALARM PRESSURE SWITCH PG PRESSURE GUAGE
PS2 WATER FLOW PRESSURE ALARM SWITCH
OCTOBER, 2014 HD 235PAGE 10 OF 16
SCHEMATIC FOR WET PILOT BASIC TRIM FOR DELUGE VALVE
MODEL - H3 FOR VERTICAL MOUNTING
SCHEMATIC FOR DRY PILOT BASIC TRIM FOR DELUGE VALVE
MODEL - H3 FOR VERTICAL MOUNTING
SCHEMATIC 7
PG
~
M
OD
SCV
PG
RN
OD
DV
SV
**
~
G
OD
PS2
**
DR.V
OD
OD
~
OD
LINE
TO DETECTION
SCV
NTW
INLET
OUTLET
**
SCHEMATIC 8
PG
~
M
OD
RN
OD
DV
~
G
OD
PS2
**
PG
DR.V
DPA
LINE
TO DETECTION
OD
OD
OD
~
OD
SCV
NTD
INLET
OUTLET
SCV
PG
SV
**
SCV
**
PS1
**
AIR SUPPLY RN-A
ABBREVIATION & SYMBOLS
DV DELUGE VALVE VALVE SWING CHECK VALVE
SV SOLENOID VALVE --- BY USER ANGLE VALVE
G SPRINKLER ALARM (WMG) ** OPTIONAL DPA DRY PILOT ACTUATOR
M EMERGENCY RELEASE STATION STRAINER RN-A RESTRICTION NOZZLE (AIR LINE)
RN RESTRICTIOIN NOZZLE (PRIMING LINE) OD OPEN DRAIN SCV SWING CHECK VALVE
PS1 LOW AIR ALARM PRESSURE SWITCH PG PRESSURE GUAGE
PS2 WATER FLOW PRESSURE ALARM SWITCH
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