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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.

Parts for Model 7301 Mk I
Low-Pressure Air Dehydrator

NOTE: This list does not include hardware items such as bolts, nuts, washers, and O-rings. The manufacturer uses stainless steel hardware in standard U. S. sizes, and MIL-SPEC O-rings.
Howell Laboratories, Inc. is CAGE 22501.

HLI Drawing No. 7301
Electrical Schematic: not applicable
Technical Manual TM7301-MI-01

Part Description NSN HLI Part No. Quantity per Unit

Frame Weldment

7557-G501 1

Panel Assembly, Gauge

7859-G501 1
Panel, Gauge 7535-01 1
Gauge, Temperature 5581-02 2

Condensate Discharge Assembly

7914-G501 1
Dump, Modified Automatic 5518-G501 1
Kit, Trap Overhaul 4820-00-112-0079 4400-2/10 1 ref
Thread Piece, 1/4" IPS 35301-040C 1
Nut, 1/4" IPS 35301-040A 1
O-Ring, Drain Union M83248/2-017 1
Ring Retainer, Drain Union 3899-01 1

Fenwal Panel Assembly

7897-G501 1
Panel, Fenwal 7535-02 1
Switch, Indicator/Alarm, Temperature 6200-01 1

Miscellaneous

7537-G501 1
Standpipe Weldment 7537-G501 1
Heat Exchanger Weldment 7562-G501 1
Elbow, 1" 5075-23-16-16 1
Tube Weldment, Bent 7294-G501 1
Elbow, 1/2" 5075-23-8 1
Union Tailpiece, 1/4" IPS (water in & out) 7062-01 2
Union Nut, 1/4" HRC (water in & out) 5691-02 2
Ring, Retainer, 1/4" Union 3899-01 ref
O-Ring, 1/4" Union 83248/2-017 ref
Union Tailpiece, 1-1/2" IPS (air in & out) 7845-01 2
Ring, Retainer, 1-1/2" Union 3899-07 ref
O-Ring, 1-1/2" Union 83248/2-139 ref
Label, "Inlet Air" 4472-116 1
Label, "Outlet Air" 4472-117 1
Label, "Inlet Water" 4472-93 1
Label, "Outlet Water" 4472-85 1
Label, "Inlet Water Temp" 4472-81 1
Label, "Outlet Water Temp" 4472-91 1
Label, "Outlet Air Temp" 4472-87 1
Label, "Waste Drain" 4472-15 1
Label, Flow Schematic 7686-01 1

Last updated: 10/07/09
Webmaster: Al Friend
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