EBARA CRYOGENIC PUMP PDF

EIC Cryo Cryogenic Pump & Expander Catalog | Ebara International Cryodynamics Division. Cryodynamics ®. For over 40 years, Cryodynamics® has been the premier manufacturer of both standard and custom cryogenic pumps and expanders. Ebara Cryogenic Pumps are applied in three distinct configurations: In addition to Cryogenic Pumps, Ebara Cryodynamics’ Expanders exemplify our drive for.

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These units are available for all applications of liquefied gas carriers and are used for main cargo unloading, stripping, spray and emergency retractable service.

The main in-tank power cables are Cryodynamics UL listed armored cables, and can be provided in all voltage ranges up to volts. The result ebaar a compact, lightweight, uncomplicated installation having low noise levels and significant safety advantages over conventional pumps.

Cryogenic Pumps (Ebara)

It is fabricated with a suction nozzle, welded couplings for drain and liquid level indicationsupport brackets, a head plate with discharge nozzle, a conduit for electrical cables and a vent nozzle. The entire pump and motor assembly are contained within a suction vessel built to the appropriate pressure vessel code for each application, making the installation safe, simple and reliable. This new design has proven to be extremely reliable in send-out systems which require a large, multi-stage pump to perform on a continuous, 24 hour-per-day basis.

The power cables used in the retraction system are a high quality armored cable, made especially for Cryodynamics.

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Electric power feed cables and deck penetration assemblies provided by Cryodynamics meet the requirements of all the major ship classification societies.

This unique design allows the pump to be installed inside a storage tank in a vertical pump column with a suction foot valve located at the bottom. The suction vessel functions as the outer pump casing. The applicable codes allow the owner to minimize the land area needed to locate a liquefied gas storage tank due to the reduction of spillage potential.

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Each pump is fitted cryoegnic an inducer which is an axial flow impeller located at the lowest possible level of the tank to improve the Cryigenic Net Positive Suction Head Required ; allowing operators to lower tank liquid levels to extremely low levels. The result is a compact, lightweight, uncomplicated installation having low noise levels and significant safety advantages over conventional pumps.

The suction vessel functions as the outer pump casing. Frequently used as a multistage design for vaporizer feed service, the ECC model is also widely used as a single stage transfer pump. All the equipment produced utilizes submerged electric motors or generators, thus eliminating any rotating sealing system.

Ebara Cryodynamics cryogenic pumps – Wenex Equipements | Wenex Equipements

It also permits the storage vessel to be located below ground level or completely covered by mounding. This unique design allows the pump to be installed inside a storage tank in a vertical crryogenic column, with a suction foot valve located at pup bottom.

The column acts as a guide to seat the pump during installation and also performs as the discharge pipe from the pump to the top of the tank. This design removes the possibility of major tank leakage due to a beara or connection problem and also permits the storage vessel to be located below ground level. The lifting cables used are an anti-twist, stainless steel cable, which can provide many years of use without replacement. The suction valve is flanged to the lower end of the pump column fbara is closed by coil springs as well as by the hydrostatic pressure of the liquid in the tank.

These cables are UL Underwriter’s Laboratory listed, and were developed specifically for use in cryogenic liquids. The entire pump and motor assembly are contained within a suction vessel built to the appropriate pressure vessel code for each application, making the installation safe, simple and reliable.

The lifting cables used are an anti-twist, stainless steel cable, which can provide many years of use without replacement. This eliminates the possibility of major tank leakage croygenic to a pipe or connection problem.

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Because the pump is installed through pumpp top of the tank, all connections below the maximum liquid level of the tank can be eliminated. The valve can also be closed by simply lifting up on the lifting eye located at the top of the column headplate, without dis-assembly of any other components. By combining the use of radial diffusers, which allows a much cryogeniv stage length, with a much larger shaft diameter, the rotor becomes much more stable, normally operating well below the first critical speed.

The valve is opened by lowering the pump into the valve. In-Tank Retractable ECR Type This unique design allows the pump to be installed inside a storage tank in a vertical pump column, with a suction foot valve located at the bottom.

The inlet feet of the pump press down against the bottom plate, forcing the valve to open using the weight of the pump.

The submerged pump and motor unit is designed to fit into the smallest practical column diameter by using an axial diffuser design. Special designs with built-in internal filtration are available to handle cargoes that are likely to suffer particulate contamination such as LPG. These pumps are of similar construction to the ECC type and are usually pimp within the refrigerated cargo tank of a marine gas carrier to transfer such fluids as LNG, LPG, Ethylene, etc.

The units are fixed to the bottom of the tanks using a mounting arrangement designed to minimize stresses, and are connected directly to the discharge piping, which then travels out through the tops of the tanks.

Once the valve is closed, the vryogenic can be inerted with nitrogen gas to allow the safe removal of the pump even with liquid in the tank.