1 shows
Divide the role of pre-installed in recent years developed the
sprinkler installation, it is to fire automatic alarm detection
technology and sprinkler systems to combine the role of the
pre-installed on the protection of objects from the dual role of
protection, in particular, apply to Freezing cold and usually avoid
below, does not allow the emergence of jet mistakenly important
place, such as computer room, generator room, library, historical
archives, such as overhead storage sites. Not in case of fire, the
system side of the pipeline filled with compressed air, so that the
system has the characteristics of dry-type system that can meet the
severe cold and high temperature conditions sprinkler.
Diaphragm valves and the rain is the role of pre-control system for
water flow and play the role of the police unit, that is, in the
event of fire control system to make it divide opened to allow
water into the pipeline system, the system change in the wet-dry
sprinkler , Report to the police. Valves on the lack of room (the
control cavity) within the high and low water pressure in control
of the diaphragm to open or close. When the cavity control the
water pressure equivalent to the water supply pressure, the
diaphragm shut down, water can not enter the system side; when
control of cavity pressure than the pressure of water supply is
low, then divide by open-top water pressure, water flows into the
side of the system, Sprinkler.
Divide room (the control cavity), the pressure mounted on the
protection of the region by the detection system to control, the
detection system at the same time that the rain-diaphragm valve
drive system, the system is divided into electrical control,
pneumatic or hydraulic control Control. (See chart form devices,
fire-fighting equipment system schematic)
2, Model specifications
Model Nominal
Path
(mm) rated workers
For pressure
(MPa) rated a high degree of body axis
To the extreme left
(L1) body axis
To the right
(L2) body axis
To back-end
(L3) body axis
To front-end
(L4) flange bolts
Hole diameter
(H1) (H2)
ZSFU-100 100 1.2
1.6 568 810 290 505 300 300 8x18
ZSFU-150 150 1.2
1.6 690 925 310 525 300 340 8x22
ZSFU-200 200 1.2
1.6 930 1170 380 530 300 430 12x22
3, and the performance of the main technical parameters
Rated pressure: 1.2 ~ 1.6MPa body strength test pressure: 4.8 ~
6.4MPa valve Test seals pressure: 2.4MPa, 3.2MPa low pressure
switch on the set: 0.01MPa air in the maintenance of electrical
installations Set in the contact pressure gauge: 0.03 ~ 0.05MPa
Products based on standards: "Q/RCC-103-2004 sprinkler system, the
role of pre-installed"
4. Divide the role of pre-installed fire-fighting systems schematic
(a)
1. Spray fire pumps 11. Pressure switch
2. Pump regulator 12. Hydraulic alarm
3. Combination of pump-13. Alarm pipe passing through the filter
4. Regulator tank 14. Alarm ball control
5. Butterfly water supply signal 15. Alarm test ball
6. Valves 16. Serbian police pipeline water
7. Alarm valve (one-way valve) 17. Passers-controlled pipe filter
8. Signals from the water 18 butterfly. Pipeline control (one-way
valve)
9. Inflatable isolation valve 19. Cavity to control water ball
10. Air pressure gauge 20. Pipeline control restrictor 21.
Following the anti-reset actuators 31. Air
22. Inlet pressure gauge 32. Filling the role of pre-Dian Konggui
23. Solenoid valve 33. Flow indicator
24. Emergency locking ball 34. Closed nozzles to spray water
25. Cavity to control pressure gauge 35. Electromagnetic exhaust
valve block
26. 36 water valve. End water-test equipment
27. Isolation water ball 37. High water tank
28. Water ball 38. Wen sense of Smoke Detectors
29. Maintenance of the air by-pass device ball 39. Fire Control
Center
30. Maintenance of the air device
5, the role of pre-installed device debugging steps
5.1. Installation should have the conditions
5.1.1 Manifolds should have been installed, Ferrules 1.2 meters
high from the ground; left around the room.
5.1.2 pipeline has been running water, the water pressure after a
strength test.
5.1.3 solenoid valves, pressure switches, signal butterfly valve,
filling the role of pre-Diankong Gui, electromagnetic exhaust valve
block and control center complete the connection.
5.1.4 pre-filling the role of Dian Konggui and maintenance of air
pressure gauge device in electric contact, low pressure switch
controllers, air compressor, the completion of the power supply
wiring.
5.1.5 device in the maintenance of air power to set the contact
pressure gauge 0.03 ~ 0.05MPa, low pressure switch settings on the
controller 0 .01 MPa.
5.1.6 the valve block has water, electricity, the device Ferrules
group for a minimum pressure 0.3MPa.
5.2. Debugging
