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Shut the main control valve off, open the drain, test your smokes. Once the smoke clears, reset the panel to clear the alarm, the priming line will reset and you can then open the main control valve and shut the drain.
I have reset a viking dry valve 3 times. And everytime after an hour or so we have gone back to having water in the lines. I have cleaned brass face and rubber on flapper. Flapper plate appears locked down yet it goes wet after about an hour.
hmmm, ive never seen those clips before. they look incredibly useful for a tight spot like that when you need to run the pipe all the way at the back of the stud
I noticed you did not close the pilot line ever. Is there a reason for it? I've heard of the valve premature tripping because the solenoid did not reset properly if you don't run water thru it while resetting the the panel via solenoid.
Dear Mr. Martin, we install this valve and the client want to operate the deluge valve using an electrical " manual release call point " connected to the control panel - is this possible ?
A main drain test "drain drop" should be performed anytime the control valve has been closed to ensure control valve is fully open and proper flow. Same reason we flow test hydrants to check for obstructions in the water supply. Residual supply pressure should usually not exceed 10 psi drop when 2" main drain is fully open.
Often used as a cool down in industrial applications. Examples large tanks of flammable liquids. The Classic Deluge was installed in theatres where the fire would be stopped with a wall of water at the Proscenium (exempt from full flow testing). A form of Deluge is often used in Aircraft hangers but has mostly been replaced with deluge foam apparatus... All deluge types have to be tested NFPA25 and are located in areas that can handle the volume of water produced by them...
In the United States an Excess Pressure Pump is not used in the trim, and the gauges will show the same pressure at the time of set-up. If the Water supply is a variable supply, once the pressure increases the top gauge will show the highest pressure that the system has been exposed to, while the lower gauge will show the current pressure.
