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Howell Laboratories, Inc.
P. O. Box 389, 188 Harrison Rd., Bridgton Maine 04009 USA
(207) 647-3327 (888) 744-8359 FAX (207) 647-8273 contracts@howelllabs.com

- An Employee-Owned Company -
Certified to ISO 9001:2000

Air Drying Systems

Related information

We are leading in introducing cutting-edge technology into Navy products. Our Model 6995 membrane dehydrator has been selected for new construction for the DDG 1000, DDG-51 and LPD-17 classes and approved for all other classes of surface combatants and amphibious ships. It is also fully authorized as a SHIPALT retrofit on the FFG-7, CG-47, DDG-51, and DD-963 classes.

Membrane dehydrators for U.S. Navy Low-Pressure Electronics Air Service (-40° F dew point):

The simplest, most dependable, lowest maintenance technology to come down the pike in years.

Model 6995:

Flow rates up to 50 scfm
Data Sheet (190 kB) Parts List

Model 7144:

Bulkhead-mounted; 3 scfm; 80-125 psig
Data Sheet Parts List

Model 7440 Mark III:

Up to 400 scfm; 100 - 125 psig
Data Sheet Parts List

Model 7050:

Up to 47 scfm; 100 - 125 psig
NOTE: Model 7050 is obsolete due to parts unavailability. Click here for a Technical Sheet for conversion to Model 6995 Mk II.

Dehydrators for U.S. Navy Ship's Service Air (~ 45° F dew point):

CFC-based units are no longer approved for new U.S. Navy installations. If you need a new unit and have chilled water available (2-4 gpm @ 45° F), our highly reliable condenser-filter dehydrators are approved and recommended as replacements. If you have no chilled water, try a membrane unit.

Model 5295:

Condenser-filter, 200 scfm
Built to MIL-D-24693-0 & 24693+
Data Sheet (122 kB) Parts List

Model 7162:

Membrane, duplex, bulkhead-mounted; 48 scfm; 80-125 psig
Data Sheet Parts List

Model 7301:

Condenser-filter, 100 scfm; drop-in replacement for NAXI refrigerant dryer
Data Sheet Parts List

Model 7300:

Condenser-filter, 100 scfm; monitoring via Siemens PLC and Profibus DP
Data Sheet

Dehydrators for U.S. Navy High-Pressure Air Service (-40° F dew point):

Model 6750:

3000 psig; 75 scfm
Built to modified Military Specification MIL-D-17847D.
Data Sheet Parts List

Dehydrators for Other U.S. Navy Applications:

Model 7005:

Backup dehydrator for dental operating room
Data Sheet Parts List

Model 7053:

Medium-pressure (450 psig) for diesel engine controls
Data Sheet Parts List

Model 7974:

Cargo refrigeration control air
Data Sheet Parts List
(Preliminary)

Technical Support

Continued support for old models:

Last updated: 05/07/2008
Webmaster: Al Friend
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