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About Air Dry Co. of America
Natural Gas Sweetening Unit
High Pressure Dehydrator - Natural Gas Sweetening
The GasMaster 21900NG high pressure natural gas dryer. It is fully automated, heat reactivated, twin tower desiccant dryer designed to provide dehydration and purification of high pressure natural gas at a maximum stated flow rate of 250 SCFM at 400 psig.
The dehydrator is designed to provide high levels of dryness through the use of filters and descant beds. The GasMaster is designed to dry natural gas from an inlet condition of 7 LBS. / MMSCF to 0.5 LBS. / MMSCF ( at a flow and pressure).
The unit uses a programmable logic controller to automatically control every function of operation gas path components are made of stainless steel or other corrosion resistant materials.
The pressure vessels are designed by ADC to meet ASME pressure vessel code with a safety factor of 4.0.
To minimize external support requirements the GasMaster system purge is accomplished with internally controlled dry natural gas from the main flow downstream from the unit.
| GasMaster Operational Characteristics |
| Model |
21900NG |
| Operation |
automatic |
| Duty |
continuous |
| Purge Cycle |
4 hours |
| Operating Pressure |
|
| Inlet Pressure-Max |
4,000 psig |
| Minimum Unit Operating Pressure |
2,500 psig |
| Purge Pressure |
80 psig |
| Test pressure |
6,000 psig |
Rated Flow-Max |
250 SCFM @ 4,000 psig |
| operating temperature |
|
Inlet gas |
105°F maximum |
Ambient |
10°F to 105°F |
Performance |
eight +/- 2 SCFM |
Electrical requirements |
120 or 240 VAC 60 Hz Single Phase |
Dimensions |
H 60 x W 32 x D 24 inches |
External purge inlet |
3/8" O.D. tube |
Air inlet and outlet connection |
1/2" NPT |
Joslyn Sunbank Company, LLC (dba Air Dry Co. of America)
INFORMATION / ITEMS SUBJECT TO EXPORT CONTROL LAWS - PLEASE BE ADVISED THAT THE HARDWARE MAY BE SUBJECT TO THE INTERNATIONAL TRAFFIC IN ARMS REGULATION (ITAR) AND EXPORT ADMINISTRATION REGULATIONS (EAR). COMMODITIES MAY BE LISTED ON THE US MUNITIONS LIST AND MAY BE CONTROLLED BY THE US DEPARTMENT OF STATE; DIVERSION CONTRARY TO US LAW IS STRICTLY PROHIBITED. IF THESE PARTS ARE FOR FOREIGN SALE AN EXPORT LICENSE MAY BE REQUIRED. IF YOU WILL BE OBTAINING THE EXPORT LICENSE YOU MUST PROVIDE, IN WRITING, THE LICENSE NUMBER, WHERE LODGED AND THE EXPIRATION DATE OF THE LICENSE.
