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Yes the pump was running as per truck unloading procedure, oonce a compartment is empty operator is disconnecting the hose from that compartment and connecting to next one, while doing this there was gravity back flow from higher pressure side ( 15 meter product head in the tank) toward lower...

Hi There, Have anybody experienced reverse flow in a running pump? I have been told by plant operator that once he finished unloading first compartment and remove the empty suction hose to next compartmnet there was product flowing back through pump suction and cause spill. Pump was unloading...

marvalar(Chemical) Thanking you in advance for your reply Still I am not clear. Say PSV discharge is connected to a pipework system witk constatnt pressure of 600kPa. If the PSV relieve at 4200kPa constant pressure what eill be the gauge reading at discharge. While assuming bellows type and...

Dear All, I am having a Bellows type PSV with 3800kPa setpoint installed on a booster pump discharge line with nominal pressure of 3500kPa. The PSV discharge is relieving to booster pump suction which is under 600kPa constant pressure. Please assist me in calculating the back pressure in case...

I would like to learn what is pump shut off head? how it is calculated? is it a characteristic determined by manufacturer and etc..

Dear All, Do equipment manufacturers encounter seismic criteria during their design process? On the other hand, does a same compressor send to Japon with high earhtquake probability comparing those send to European countries with less probability?

<dear all, i hava an industrial hall with 45,000 meter cube volume which must be kept 4 degree c above the ambient which is 40 degree C as design temperature, i have come up with fan size of 160,000 meter cube/hour please somebody check it and let me know what will be the power consumption of...

Hi everybody I've to dewater a reservoir to sea by using a wet pit mounted vertical shaft pump (axial flow), for watering the same reservoir i want to eliminate the extra pipe way and channel as there is positive head over the reservoir (sea level is 2.5 meter avove the reservoir)i am...

Dear All I want to know about the quality of air used in spray nozzle? i.e. max.oil content, what quality filtration do i need? is 1mg/m3 harmless to paint. Wish you all a happy and colorful life.

Dear all First i want to express you all my best wishes and seasons greeting. Now please advice me how could i form(bend) a 3&quot; Galva. pipe around a 50 meter dia. half circle , 3&quot; pipeline is for air delivery which has to be passwed through a 2 meter wide channel around a 50 meter...

Dear All I want to know what sort of modifications should be done (if neccsary) to an already existing centrifugial compressor compressing a gas with specific gravity of 0.662 if we change it to a gas with specific gravity of 0.852?