EBARA CRYOGENIC PUMP PDF

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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A single stage design is most often used, although multi-stage pumps can also be supplied if required. Each pump is fitted with pmp inducer which is an axial flow impeller located at the lowest possible level of the tank to improve the NPSHR Net Positive Suction Head Required ; allowing operators to lower tank liquid levels to extremely low levels.

The valve is opened by lowering the pump into the valve. 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.

The column then acts as a guide to seat the pump during installation and also as the discharge pipe from the pump to the top of the tank. 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 dbara located at the bottom.

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. The suction valve is flanged to the lower end of the pump column and is closed by coil springs as well as by the hydrostatic pressure of the liquid in the tank.

The power cables used in the retraction system are a high quality armored cable, made especially for Cryodynamics. It also permits the storage vessel to be located below ground level or completely covered by mounding. These units are available for all applications of liquefied gas carriers and are used for main cargo unloading, stripping, spray and emergency retractable service.

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For multi-stage pumps traditionally used for vaporizer send-out applications, Cryodynamics has developed a radial, stiff shaft design in order to provide a more compact, more reliable machine.

The lifting cables used are an anti-twist, stainless steel cable, which can provide many years of use without replacement. The valve is flanged to the cryotenic end of the pump column and is closed by coil springs as well as by the hydrostatic pressure of the liquid in the tank.

The inlet feet of the pump press down against the bottom plate, forcing the valve to open using the weight of the pump. If you cryovenic looking for a cryogenic pump or turbine expander, you are in the right place.

Who We Are | Ebara International Cryodynamics Division

The suction vessel functions as the outer pump casing. By combining the use of radial diffusers, which allows a much shorter stage length, with a much larger shaft diameter, the rotor becomes much more stable, normally operating well below the first critical speed.

This eliminates the possibility of major tank leakage due to a pipe or connection problem. These cables are UL Underwriter’s Laboratory listed, and were developed specifically for use in cryogenic liquids.

The submerged pump and motor unit is designed to fit into the smallest practical column diameter by using an axial diffuser design.

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. Frequently used as a multistage design for vaporizer feed service, the ECC model is also widely used as a single stage transfer pump. Cryogenic Pumps Ebara Cryodynamics division of Ebara International Corporation is the recognized world leader in the engineering and production of specialized cryogenic liquefied gas pumps and turbine expanders.

Suction Vessel Mounted | Ebara International Cryodynamics Division

As a result of the pump being installed through the top of the tank, all connections below the maximum liquid level of the tank can be eliminated. The main in-tank power cables are Cryodynamics UL listed armored cables, and can be provided in all voltage ranges up to volts. These pumps are of similar construction to the ECC type and are usually located within the refrigerated cargo tank of a marine gas carrier to transfer such fluids as LNG, LPG, Ethylene, etc.

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This design removes the possibility of major tank leakage due to a pipe or connection problem and also permits the storage vessel to be located below ground level.

Frequently used as a multistage design for vaporizer feed service, the ECC model is also widely used as a single stage transfer pump. 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 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.

EIC Cryo Cryogenic Pump & Expander Catalog

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.

It can be closed at any time by simply hoisting the lifting eye located at the top of the column headplate without disassembly of any other components. Each pump is fitted with an inducer, which is an axial flow impeller located at the lowest possible level of the tank to improve the NPSHR Net Positive Suction Head Required and allow operators to lower tank liquid levels to extremely low levels.

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.