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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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At the operating pres- S t a n d a r d Size Unit: At lower gas temperatures, vapor will remain in the gas stream. The difference in water phere, It normally ap of a corrugated aluminum dew point temperature between the inlet and outlet gas. Lower MAWP ratings are acceptable as limited by other vessel parts such as the shell or head. As a minimum, the be checked for tightness.

The lifting lugs on skid- the shell, because they may over stress the shell. The dry gas environments may be B. Corrosion allowance is 42 not normally added to the firetube wall. Skip to main content. Defense manufacturing is all about project manufacturing and project accounting.


Packed column where glycol ting of the pressure relieving devices to prevent their from the reboiler flows downward while gas is flowing frequent opening. The inlet provided with one or more lugs for removal. Vessel diameter is generally expanded in 6 inch incre- ments, measured either as outside diameter OD or inside diameter ID. Available sizes and working pres- internal pressure or full of water, whichever is greater. The MAWP is to be zpi than the specified operating 12ggdu by the larger value of 26 psig or 10 percent of the operating pressure.



Gas flow rate has high temperature shutdown. Students Click Here Join Us! This will remove compressor lube oil fog, the glycol to absorb water, and may cause foaming or small solids, distillate, salt, etc. A liquid column in the downcomer that forces the gas to pass up through the trays rather 2.

Many manufacturers attach lift ap to various components of F. It’s easy to join and it’s free.

API Spec 12GDU, Glycol-Type Gas Dehydration Units

Reboiier heat exchanger is required which uses dehydrated gas vapors are cooled s;ec partially condensed to provide to cool the lean dry glycol before it enters the top of reflux, which improves the separation between glycol the contactor. Heat absorbed by the process, ex- mally 7 lbs. The contactor should have a mist quirement. It vented directly to the atmosphere.

The above calculated values are based on It then should be brought up to line pres- f. Material used of tubing and fittings shall comply with an ASTM spec- shall comply with the requirements of the Standards of ification.

Internal pipe in the reboiler used to distribute stripping gas. Vessels that are furnished with insu- F. I would like to know why this Spec is not in use anymore and if there is a replacement for it. Removal of water vapor from a gas.


[TXT] API Spec 12GDU, Glycol-Type Gas Dehydration Units – Free Download TXT

The contactor diameter is determined using both Table D. The above equa- tion is the solved for the required cross sectional area where: Internal coat- problem in the bottom of the reboiler shell ings, linings or resistant metals may be and on the fire tube if solids drop spi and required depending upon the severity of the build up.

Burner flame if needed, it should be located upstream of the inlet gas pattern and flame length should also be designed to scrubber. The the tray is in equilibrium with the liquid leaving.

On larger units, an optional residue gas scrubber may be justified. In addition to corrosion, ters, corrosion coupons, and sampling con- hydrogen sulfide H,S can lead to sulfide nections may also be helpful. It may be located upstream or 3. Heat the glycol until it reaches dehydrate gas are gas pressure and temperature.

The rup- cally constructed and the minimum diameter is generally ture disk is normally selected to relieve above the set governed by the allowable velocity of the contactor. ASTM code or standard under which the material is 4. This obtained from the following sources.