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What is the function of back pressure valve in Boiler feed pump?
The function of back pressure valve is to prevent back flow to the pump in case there is an obstruction on downstream side of valve.
Why is back pressure required in the turn?
Back pressure is required in the turn to keep the nose from dropping. That will keep the plane flying level.
How does Back-pressure valve work in dairy production?
Back pressure regulating valve is used in ammonia refrigeration plant to maintain the minimum pressure in the evaporator coils. It helps in preventing ice formation / choke upin the PHE chiller.
Which chamber contracts to pump the blood at the highest pressure?
The Chamber that creates the highest pressure is the Left Ventricle. It must do this to get the blood all the way around the body, including right up to the top of the heat, but more importantly it must overcome the huge pressure in the Aorta. This is because of the Aortic Valve which sits stops the blood being pushy back formthe aorta into the ventrivle. The high blood pressure in the aorta holds this valve shut tight. A pressure greater than the one holding any vavle shut is required to open it, ie the ventricular presure must be greater than the aortic pressure is required to force the aortic valve open.
How do you fix a build up of pressure in engine of 98 ford escort zx2 if there is no PCV valve?
the pcv valve is on the back right of the valve cover if not get one
What you mean by cold differential set pressure of a safety valve?
cold differential test pressure -The inlet static pressure at which a pressure relief valve is adjusted to open on the test stand. This test pressure includes corrections for service conditions of superimposed back pressure and/or temperature.
What is a bw valve on the pool filter?
Back wash valve when the pressure before the filter becomes to high usually indicated in red on the gauge the filter needs to be back washed.
What is the difference between valve and control-valve?
Control valve: Used to modify flow rate in a process control system.It has characterization: linear,equal percentage and quick opening Pressure inlet must be higher than the output pressure Regulator:Diapghram operating valve which controls outlet pressure (reducing application),control inlet pressure (back pressure) or either (differential reducing and differential relief applications
Why inlet valve is bigger than exhaust valve?
because the inlet valve has to hold back pressure from the gas pump where as the exhaust valve has nothing to hold back but the compression of the ignited fuel and such a force is applied at the face of the valve. the face of the valve is in the cylinder so the force is a push not a pull meaning a bigger exhaust valve is not needed because the valve dose not have to fight back to keep it's self closed.
Where is the ac low-pressure valve located in the engine compartment of a 1996 Isuzu Rodeo?
The AC low pressure valve on a 1996 Isuzu Rodeo is located in the back of the engine compartment. The valve is on the larger of the two hoses that run from the evaporator to the compressor.
What is an anti syphon valve?
An anti-siphon (or, anti-syphon) valve is a device that prevents liquid from returning to the line from which it came if a siphon action occurs. An anti-siphon device is frequently required on outdoor irrigation systems to prevent possibly contaminated water to be drawn back into the water supply lines if water pressure decreases in the water supply line. An anti-siphon device is not the same as a check valve. A check valve allows flow in only one direction, and requires pressure to function. An anti-siphon valve opens to the atmosphere when there is reduced or no pressure in the line.
What is an anti syphon-valve?
An anti-siphon (or, anti-syphon) valve is a device that prevents liquid from returning to the line from which it came if a siphon action occurs. An anti-siphon device is frequently required on outdoor irrigation systems to prevent possibly contaminated water to be drawn back into the water supply lines if water pressure decreases in the water supply line. An anti-siphon device is not the same as a check valve. A check valve allows flow in only one direction, and requires pressure to function. An anti-siphon valve opens to the atmosphere when there is reduced or no pressure in the line.
