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Why atomisation test should not be done in slide type fuel valves

Since very small needle lift is obtained in the test equipment result in an unequal pressure distribution in the cut off shaft resulting in a hard contact in a small area along with high frequency oscillations, low lubricity of test oil will increase the chance of seizure. Full lift and high lubricity of heavy oil eliminates this risk  of seizure during normal operation.( Always open and clean slide type valves before testing as cold sticky heavy oil along with small clearances can cause restriction in the movement of the spindle).
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Hyper mist fire fighting system working

It will get activated only when two detectors are activated Once it is activated it will send a signal to a fire alarm panel from fire alarm panel sense the zone of fire and it will signal to the hyper mist control panel H.M control panel sends a signal to high-pressure pump (Plunger type reciprocating pump) starter and also solenoid operating valve according to the zone of fire Capacity of pump: 200 litres/min @ 70 bar pressure discharge At nozzle 12-20 litre/min @ 50 bar pressure discharge it is a very high water mist system which creates a water fog which effectively puts out the fire whole also providing a cooling effect the speciality of H.M Nozzle: its diffuser action in nozzle drop in pressure at nozzle throat will breaking the liquid particle into a fine mist
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