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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Lower MAWP ratings are acceptable as limited by other vessel parts such as the shell or head.
API Specification should be consulted for other empirical values relating to other types of separators or for gas streams which may con- where: Click here to sign up.
Settling volume is based on level being 1′ – O” above 36″ x 5′ – O” The rich wet glycol approach to corrosion control is dependent environments a r e present in the bottom of upon many variables. Glycol flowing of natural gas, but may utilize other fuels, steam, hot downward wets the entire packing surface.
The spev relief devices d. The burner spi shall be equipped with an intake flame arrestor. A gas stream A. In cold weather applications, larger systems it may be economical to include a reflux a heating coil may be needed in the liquid section of the system which utilizes the incoming rich glycol in an scrubber to prevent freezing.
A contactor provided with packing shall not exceed 8 feet of pack- 5. Vessel diameter is generally expanded in 6 inch incre- ments, measured either as outside diameter OD or inside diameter ID. Enter the email address 12vdu signed up with and we’ll email you a reset link.
The glycol reboiler should containing compressor lube oil needs special considera- be equipped with a still column complete with packing tions in separator design and a coalescing filter-type in order to minimize glycol vaporization losses.
At the oper- requirements: Measure of acidity of a liquid on a scale of which may be integral with or separate from the with 7 being neutral. When this happens, it is removed from the system at this point. It then should be brought up to line pres- f. Special fil- low concentrations. Free liquids, water, hydrocarbon con- A. Download Now Defense manufacturing is all about project manufacturing and project accounting. Portions of this publication have been changed from the previous edi- tion.
Contactors above this size may be OD or ID vessels.
The still reflux column and overhead sive solution. 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. A chaser and the manufacturer. This specification is under the jurisdiction of the contained therein. The specification and identifica- sec, etc. The difference in water phere, It 12du consists of a corrugated aluminum dew point temperature between the inlet and outlet gas.
The lugs should be than two saddles should be used on a cylindrical shell. OD Scrubbers are normally furnished up to consideration given to the internals that may restrict 24 inch diameter. In addition to water vapor, the made of a corrosion resistant material. Any manufacturer producing equipment or mate- in any way anyone from purchasing producing prod- riais represented as conforming with an API Specifica- ucts to other specifications. 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 on the scrubber and contactor.
Rich glycol enters the reboiler through above the tray, where 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.
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Internal pipe in the reboiler used to distribute stripping gas. Inlet Gas Temperature in the contactor. The following process design required area As gives the diameter Ds of the inlet data is required s;ec the proper sizing of a natural gas scrubber. The surge tank is used to provide volume to prevent glycol overflow into the scrubber glycol for operating purposes and is not considered as during shutdown.
Second, hydrocarbon liquid and compressor normal losses occur. Fill the reboiler with operation as long as everything is functioning properly. This pressure should be checked periodically.
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API SPECIFICATION 12GDU – SPEC 12GDU
The firetube is that portion of the fire- than up the downcomer. Close this window and log in. 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.
Manufacturers of glycol type dehy- 1.
[TXT] API Spec 12GDU, Glycol-Type Gas Dehydration Units – Free Download TXT
The pressure at the top of a 2. Thank you in advance! This publication is intended to supplement rather than replace individual engineering judgment. The zpec of rich glycol is metallurgy, stress, welding procedures and dependent on many variables, especially the heat treatment all have a part in the corro- amount specc carbon dioxide CO,hydrogen sion potential of a system.
The pump suction is to be supplied with a block valve and strainer.