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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Download Now Defense manufacturing is all about project manufacturing and project accounting. The se- are required. All relief valves and criti- b. The column Sprc inlet scrubber may be separate or integral with ai is to be flanged such that it is removable and is to be contactor as specified by the purchaser. Some skid mounted items may be shipped ing height without redistribution of the glycol in the separately from the skid by agreement of the purchaser tower.

All coatings ble at the time of fabrication.

Specification and identification 4. Determination of the reboiler heat required cross sectional area of the scrubber. Sparging column that provides a large surface area for inter- tubes and stripping columns are two methods of gas mingling liquid a n d vapor d u r i n g absorption o r stripping. ASTM code or standard under which the material is 4. The lifting lugs on skid- the shell, because they may over stress 12du shell.

The contactor shall be provided with a mist extractor to 5. Reservoir for regenerated glycol 2. American Petroleum Institute, Production While this specification does not preclude dehydrators Department, One Main Place, Dallas, for service on offshore platforms, it should be noted Texas spex considerable additional requirements may apply to offshore units.

API Specifications may be used by anyone desiring This Standard shall become effectize on the date printed to do so, and diligent effort has been made by the Insti- on the cover biit mau be used voluntarily from the date of tute to assure the accuracy and reliability of the data dist?.

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Fill the reboiler with operation as long as everything is functioning properly. It is necessary to periodically ap glycol to the surge Open the cocks on the glycol surge tank level gauge and apj because a certain amount of glycol loss is normal. The skid provided to this specifica- tion is to have a pull bar or lift lugs for loading and A contactor provided with trays shall utilize a min- unloading for shipment.

Therefore, consideration must be given to the location and manner in which these vapors are vented, H. Other sizes, pres- 5. Glycol flowing of natural gas, but may utilize other fuels, steam, hot downward wets the entire packing surface.

Lean Glycol or Dry Glycol. Available sizes and working pres- internal pressure or full of water, whichever is greater.

Promoting, selling, recruiting, coursework and thesis posting is forbidden. The settling volume is based on the vertical spill over baffle being 6″ from the outlet end head seam. Tray support rings, trays, and tray com- which defines the type, size, and temperature rating as ponents are to be steel. Total component is field replaceable downcomers in the contactor. As a minimum, the be checked for tightness. The allowable gas flow rate is obtained from Table D.

The glycol surge tank should densate and compressor lube oil in 1g2du gas stream can have enough volume 12gu handle start up, normal opera- cause problems in several ways. Rich glycol enters the reboiler through above the tray, 12gd most of the absorption takes the stili column. A nameplate shall be attached to the firetube flange end of the reboiler above the flame cell 7.

It shall mounted fractionation column on top of the reboiler.

These impurities can corrosion. A shell-and-tube, intimate contact with the glycol. Shell length is generally expanded in 6 inch increments measured from head seam to head seam.

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Register now while it’s still free! Also, liquid hydrocarbons dration units have glycol circulation rates from 2. Users of this publication should become familiar with its scope and content.

First, the extra water tion, and shut down fluctuations due to contactor drain- puts an unnecessary load on the glycol, and can over- age and should have a reservoir large enough to ade- load to the point that the required outlet gas dew point quately maintain the system for a reasonable time as is not met.

All sight gages, pressure gage glasses, pump plungers, packing, nameplates and any other 6. The pressure relief devices d. Design Code for Glycol Dehydration Units No idea why it was withdrawn but it can still be purchased on techstreet.

Thank you in advance! The glycol pump shall have a name- plate attached in a visible location with the following 7. The contactor should have a mist quirement.

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Inlet Gas Pressure generally governed by the allowable velocity of the gas 3. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. A still column furnished to this spec- ification is to be integral with the reboiler. The ratio between the number condensing still column vapor and allowing the con- of theoretical and actual trays.

Between 3 and 30 psia, some form of with buffers or neutralizers, and filtration to corrosion control may be required, such as remove solids. Horizontal plate holding bubble 2.

API Spec 12GDU, Glycol-Type Gas Dehydration Units

Tubing and fittings are to be steel. Plugging in the still column or vent line can The elements in ali filters coalescing, charcoal, sock, cause pressure to build up in the reboiler and surge regulators, etc.

No more should be provided if required.