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Why non return valve is fitted on the suction side of the multistage Grundfos pumps?
Wiki User
∙ 14y ago
I'm not famiar with the Grundfos valves specifically, but non-return valves are usually fitted to the suction side of pumps to prevent the pump from losing it's prime when it is stopped (by draining back through the inlet).
Wiki User
∙ 14y ago
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Should the suction line be cold?
On split system installations, the suction line should be pitched towards the compressor at least Suction line should be insulated for 2 reasons: 1) so it does not drip condensation everywhere it passes through the homes interior space. ie attic, inside walls etc. 2) cool suction gas is what cools the compressor motor during operation, insulating the pipe carrying it helps prevent that gas from picking up heat from the surrounding air ensuring it remains an effective coolant for the motor. The original reply was also correct, an effort to pitch the suction line towards the compressor should be madr wherever possible to aid in oil return.
What is the default return type in C and C plus plus?
No. There is no default return type for functions, it must be explicitly specified in both the function declaration and in the definition. To specify no return value, return void. To return a variant type, return void* (pointer to void). Otherwise return the exact type.
What statement returns a value from a function?
return
Difference in using a method that return value and method that does not return value in object orinted programming?
A method that return a value should have a return statement. The method signature should indicate the type of return value. While in the case of a method that does not return a value should not have a return statement and in the signature, the return type is void. When using a method that doesn't return a value, a programmer can not get a value from that function, but instead, it can only change variable values and run other methods.
Why use void in main of java?
No. void is not a data type. It is mandatory for all java methods to return something and if it is not going to return anything, we have to mark the method with a "void" return type to let the JVM know that it must not expect anything from the method.
How does the venous return mechanism work?
pressure gradient , gravity , skeletal muscle pump, thoracic pump and cardiac suction would be the mechanisms for venous return.
What will happen if air enters the inside of a suction cup?
The suction cup will lose its attachment, unless it has an additional adhesive. Suction cups attached to a surface are held there by the pressure of the outside air, which is higher than the pressure under the cup. The suction cup is trying to return to its uncompressed condition, and pulls away from the surface, reducing the pressure under it.
How is the suction valve unloading piston on a standard type positive displacement air compressor operated?
air operated- spring return
Where you put air separator in chiller?
at end of the chilled water return header, before entering in to suction of the primary pump and chiller anand
Why NRV directly after pump disch?
NRV is Non Return Valve which is prevents to liquid flood back to the suction line over the impeller or other else.
How many types of hydraulic filters are there?
3 to 4 depending on the type of machinery. There is a suction filter, return filter, and a pressure filter mainly, but in some cases, off-line fiter can be incorporated
Should the suction line be cold?
On split system installations, the suction line should be pitched towards the compressor at least Suction line should be insulated for 2 reasons: 1) so it does not drip condensation everywhere it passes through the homes interior space. ie attic, inside walls etc. 2) cool suction gas is what cools the compressor motor during operation, insulating the pipe carrying it helps prevent that gas from picking up heat from the surrounding air ensuring it remains an effective coolant for the motor. The original reply was also correct, an effort to pitch the suction line towards the compressor should be madr wherever possible to aid in oil return.
You have air coming into the return of the pool from the filter the water goes to the filter then to the heater and back into the pool air is coming out with the water for 5 days now?
Sounds like a leak on the suction side of your equipment.
What do I do if one of my testicles go's back into my body?
UPDATE I guess you have sorted out the problem by now, but if not and for future reference I recommend the following solution: Plug in your vacuum cleaner (recommended - Dyson) turn it on to full suction. Place the sucking tube onto the area of where your testicle usually is and allow the suction to help your testicle return to its rightful home. Hope this helps
Is flexible PVC OK for buried pool suction and return lines?
I have never seen flexible PVC. However It does not seem like a good idea to use flexible piping for the suction side of the system especial y with the weight of fill on top of it. even on the pressure side there could be problems with the possibility that the weight of the fill on top of the tubing would eventualy flatten it.
What is the bursting pressure of galvanized pipe can you run hydraulic fluid through galvanized pipe?
NONE!!!! Zinc flakes are not good for a hydraulic system. Black pipe may be used for non-pressurized return and suction lines only.
Can pantyhose be of benefit to diabetic men?
Not pantyhose. Support stockings, which help return circulation in the lower extremities. Please have them recommended or fitted by your doctor. Ones that are too tight can cause more damage than help.
