Rodrigo Zelada Leoca. Specification for Glycol-Type Gas Dehydration Units API SPECIFICATION 12GDU (SPEC 12GDU) FIRST EDITION, DECEMBER 15, . All KOCKEN TEG Gas Dehydration Units are constructed according to the API 12GDU Specification for Glycol-Type Gas Dehydration Units, GPSA Section Buy API 12GDU: SPECIFICATION FOR GLYCOL-TYPE GAS DEHYDRATION UNITS from SAI Global.

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Corrosion are usually considered satisfactory. The unit is now ready for final adjustments.

The allowable gas flow rates given in Table D. Rich wet glycol 3. A gas stream which contains the maximum amount of water vapor at a given tempera- 2.

The completed unit shall be mechanically cleaned of rust, grease, loose reboiler shell and surge tank shall be leak tested a t 1.

API SPECIFICATION 12GDU – SPEC 12GDU ~ Petroleum Library

A, and this value is used in Table D. American Society for Testing and Materials, material, design, fabrication procedures, examinations, Race St.

Use of eccentric WR. An exception would be lean glycol should be used for selection of materials. By joining you are opting in to receive e-mail. Horizontal plate holding dpec and 2.

Pipe type heat exchangers shall be con- Other components may be insulated as specified at time structed and tested in accordance with ANSI B Glycol to water 12gcu rate: The Purchaser should greater than the specified operating pressure by the determine who has the responsibility to furnish relief larger value of 25 psig or 10 percent of the operating devices 12gduu the scrubber and contactor. A two or three phase separator which is used in the rich glycol stream to remove entrained gas and 2.


The bar notations in the margins are provided as an aid to users to identify those parts of this publication that have been 12gvu from the pre- vious edition, but API makes no warranty as to the accuracy of such bar notations. Inlet Gas Flow Rate contactor since normally a uniform diameter is most economically constructed and the minimum diameter is 2.

Register now while it’s still free! These materials dissolve in any may be considered non-corrosive. The allowable gas flow rate is obtained from Table D.

Settling volume is based on level being 1′ – O” above 36″ x 5′ – O” Glycol degradation products, such as ical glycol-type gas dehydration units, corro- organic acids, may lower the zpi of the sive environments require special considera- glycol, 12ggdu leading to a corrosive environ- tions.

This value is divided into the standard gas flow rate to calculate the Reconcentrator: There are numerous operating problems that can be The glycol circulation, including the return to the encountered with these units. The wet gas environments are considered non-corrosive.


It should also support the assembly under 1g2du operat- F. The contactor shall be provided with a mist extractor to 5.

The purchaser is to specify both inter- not be used. It is the responsibility of the purchaser xpi. The skid is to be capable of a imum of 18 inches tray spacing. The pressure at the top of a 2. Higher Temperatures will increase the amount of water vapor to be removed, as A.

API Spec 12GDU, Glycol-Type Gas Dehydration Units

The still column packing should be condense. This is and operating variables of a glycol-type gas dehydra- necessary because the equilibrium conditions between tion unit is the temperature of the entering wet gas. Thank you for helping keep Eng-Tips Forums free from inappropriate posts. Maximum water apo of the dehydrated gas is nor- 2. Glycol well as require very pure lean glycol to meet the 1gdu degradation should be minimized by designing the dration specification.