This vertical tank pump has been designed in order to enable retro-fitting into most common tanks. Moreover, the dimensions are such that the unit can be used to replace submersible designs of pump.
Description Regarding the construction, the first pumping stage, a NPSH impeller and side channel stage, is located at the bottom of the tank by means of an extension pipe and operates under flooded suction. One to three more side channel stages are placed below the discharge flange in order to give the required pressure. The 2 poles hydraulic have been especially designed to optimize the generated pressure with lower power consumption. The shaft sealing is made by a magnetic drive system so that no emission of LPG can occur at this side.
Advantages The use of a Sterling SIHI CEB pump for loading and unloading of liquefied gases under boiling conditions, offers the following advantages:
A low NPSH : a low feeding head guarantees cavitation free operation for the full operating capacity.
The capability of handling vapour and vapour mixtures : so effective priming and continuous operation is guaranteed in case of suction lift operation and evaporation.
Specific curve characteristics; a steep curve, low flow : high pressure generating as well as a stable curve in case of high counter pressures and entrained gas mixtures.
Magnetic coupling shaft sealing that apply to the rules for emission.
Suitable materials in accordance with current requirements and standards.
Design in accordance with main installed tanks.
Use of an external standard explosion proof motor.
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