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Pumps for fuel filler / tanks


Supplying consumers in the industrial and private sector with fuel is of enormous importance. The shortage or complete absence of fuel would strain the economy or even bring it to a standstill. The service providers established large storage terminals next to the refineries where they store the fuel. From there, the distribution of the fuel to the gas stations is handled by tanker trucks. Depending on the viscosity, centrifugal as well as positive displacement pumps are used in this area.

Refueling pumps for every application area

Transferring fuel from large tanks onto tanker trucks and then into the storage tanks of the gas stations and end customers is done by pumps. For diesel fuel, pumps without ATEX classification can be used in most cases, although zones that require explosive protection may still develop in storage terminals. For other fuel transferred in storage terminals, the ATEX areas defined by the customer apply.

Application examples for pumps used for fuel tanks & storage tanks

·    Refineries / storage terminals
·    Loading stations
·    Gasoline stations
·    Refueling / draining
·    Transport / delivery
·    Recirculation
·    Liquid gas transport

Typical pumped media in filling fuel tanks & storage tanks

·    Oil / crude oil
·    Gas / natural gas
·    Mixtures
·    Liquefied gases
·    Fuel (gasoline, diesel, kerosene)

Successful application solutions

Diesel pumps must meet installation conditions and the requirements to explosion prevention level and should excel by good energy efficiency and good NPSH values. The delivery rate and pressures depend on the relevant types of application.

 

The task of drawing fuel out of an underground tank can be solved by using self-priming pumps, thus achieving a gain in operational safety. The same applies if the pumps stand next to the diesel tank and one have to suck beyond the edge of the tank. One can choose between compact bloc machines or multi-stage pumps for higher pump pressures. Actuation is effected via corresponding three-phase motors, but others are also possible.

Technologies

radial pumps, side channel pumps

Airports operate own tank farms and tank stations for airfield fuelling. Here the fuel Jet A1 is used.  Therefore, increased ATEX requirement have to be met.

So far, vane pumps were used here, but which operate very noisily due to their design. A further requirement was to suck the fuel via very long suction lines, partly longer than 60m, with occurring high curves. Deployed were self-priming centrifugal pumps in spherical graphite iron design according to ATEX. That way, in case of suction-side “air sacs”, there is also a safe operation with good efficiency and little noise emission.  Due to the multi-stage system, higher pressures instead of the common 2-3 bar can be generated.  Expensive built-in pumps could be dispensed with. 

Technologies

radial pumps, side channel pumps

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