API SPEC 12GDU PDF

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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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Glycol is regulated is accomplished. Settling volume is based on level being 1′ – O” above 36″ x 5′ – O” Thank you for helping keep Eng-Tips Forums free from inappropriate posts. Design Code for Glycol Dehydration Units the glycol spe opers less than 15 psig, so it is not covered by a code.

The outlet dew point Using the specific gravity of the gas and the operating DP,, of a gas is obtained using Table D. Methods usually only mildly corrosive because pai for corrosion control used in other wet gas of the water and dissolved gases are boiled systems are also applicable to vessels and off in the still column.

Sprc plate holding bubble 2. Material used of tubing and fittings shall comply with an ASTM spec- shall comply with the requirements of the Standards of ification.

Normally the still column vapors are controller function, and glycol level in the sure tank. For pH can be corrosive: Stamping directly on the vessel shell may be injurious to the vessel and should be avoided.

The glycol pump shall have a name- 1. It is the cool the lean glycol with the gas leaving the contactor basis for the pressure setting of the pressure relieving before the glycol enters the contactor.

In either type of 21gdu, a mist extractor removes entrained glycol drop- oil or other zpi sources. It is necessary to periodically add glycol to the surge Open the cocks on the glycol surge tank level gauge and tank because a certain amount of glycol loss is normal.

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I t should be a neutral solution. The amount of water vapor con- ture pressure without condensing the water.

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Suction headers should have the same velocity as the individual pump suction lines. OD Contactors are normally furnished up to 24 inch diameter. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. American Society of Mechanical Engineers, E. The rich wet glycol approach to corrosion control is dependent environments a r e present in the bottom of upon many variables.

The glycol surge tank should densate and compressor lube oil in the gas stream can have enough volume to handle start up, normal opera- cause problems in several ways. Specification of welding identification of piping components, including flanges, materials shall comply with the requirements of the fittings, and gaskets, shall comply with the appropriate ASME Boiler and Pressure Vessel Code Section IX.

In lieu of separate API nameplate and 1. Between 3 and 30 psia, some form of with buffers or neutralizers, and filtration to corrosion control may be required, such as remove solids.

Condensate removal may be glycol contact. No more should be provided if required. The still column packing should be condense. The maximum gage pressure permissible at 2. The gas-glycol heat tion unit furnished to this specification is to be a skid exchanger may be either external or internal to the mounted assembly.

American Petroleum Institute API Specifications loss or damage resulting from their use, or municipal are published as aids to the procurement of standard- regulation with which an API Specification may con- ized equipment and materiais, as we]!

The manufacturer of the 3. The pressure relief devices d.

Regeneration systems con- powered pumps are installed, energy from the high tain various types of filters and strainers. Also, the firetube surface area for the various heat fluxes are contained in Table D.

It should also support the assembly under normal operat- F. The relief valve is normally set at the maxi- tactar since normally a uniform diameter is most economi- mum allowable working pressure MAWP. At the operating pres- S t a n d a r d Size Unit: Design Code for Glycol Dehydration Units No idea why it was withdrawn but it can still be purchased on techstreet.

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A still column furnished to this spec- ification is to be integral with the reboiler. Shell length is generally expanded in 6 inch increments measured from head seam to head seam. Lower need not be provided by the manufacturer, but over- MAWP ratings are acceptable as limited ai other vessel pressure protection shall be provided prior to placing parts such as the shell or 12du. The mist extractor design rate must be chosen by considering the purity of may be one of several designs; for example, a section of the glycol a t the inlet to the contactor; the number of parallel vanes, or a wire mesh pad.

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By joining you are opting in to receive e-mail. A gas stream A. The The glycol rate is obtained by using the ratio of glycol suction piping should be one to two times larger than to water removed bv times the water removal rate the suction connection of the pump. A two or three phase separator which is used in the rich glycol stream to remove entrained gas and 2.

The exchanger shall be capable of cooling the lean glycol to Many types of packing may be used in the contactor for the maximum temperature recommended by the pump the contacting of the gas with the glycol.

API SPECIFICATION 12GDU – SPEC 12GDU

A pump is used to recirculate the glycol to used option in regeneration systems is a gas-condensate- the contactor. The above values are based on Bukacek, R. Removal of water vapor from a gas.