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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

HLI News
New contract: 7600 ECOLCELL Chlorinators for DDG-113 and follow ships.
[More]
New Products
Portable seawater chlorinator: Port-A-Chlor 8600.
[More]
Upgraded medium-pressure air dehydrator, Model 8785, to replace our obsolete Model 7053.
Call now for more information
Customized potable water treatment systems for Iraqi 35m patrol boats ...
... or for your application!
Call now for more information
Around the World
January 2010:
HLI supporting relief efforts in Haiti
At HLI
September 2008: David Douglas joins HLI as Director of Sales, Marine Products.

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
6995

Model 7440 Mark III:

Up to 400 scfm; 100 - 125 psig
Data Sheet Parts List
7440

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NOTE: Model 7050 is obsolete due to parts unavailability.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
5295

Model 7162:

Membrane, duplex, bulkhead-mounted; 48 scfm; 80-125 psig
Data Sheet Parts List
7162

Model 7301:

Condenser-filter, 100 scfm; drop-in replacement for NAXI refrigerant dryer
Data Sheet Parts List
7301

Model 7300:

Condenser-filter, 100 scfm; monitoring via Siemens PLC and Profibus DP
Data Sheet
7300

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
6750

Dehydrators for Other U.S. Navy Applications:

Model 7005:

Backup dehydrator for dental operating room
Data Sheet Parts List
7005

Model 8785:

Medium-pressure (200-230 psig) for diesel engine controls
Data Sheet
7053

Model 7053:

Medium-pressure (450 psig) for diesel engine controls
NOTE: Model 7053 is obsolete and no longer supported. See Model 8785 above.

Model 7974:

Cargo refrigeration control air
Data Sheet Parts List
(Preliminary)
7974
Last updated: 07/20/10
Webmaster: Al Friend
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