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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 7440 Mk III
Membrane 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. 7744
Electrical Schematic: not applicable
Technical Manual TM7440-MIII-00

Part Description NSN HLI Part No. Quantity per Unit

Frame Weldment

7756-G501 1

Membrane Assembly

7753-G501 1
Housing Weldment, Membrane 7752-G501 1
Head, Outlet 7167-02 2
Head, Purge 7666-01 2
Clamp, V 6170-01 4
Element, Membrane 7164-01 2
O-Ring, Membrane Seal M83248/2-257 2
Ring, Adjusting 7668-01 2
Screen 7667-01 2
Port 7168-01 2
O-Ring M83248/2-121 2
O-Ring M83248/2-030 2
Seal, Rectangular Ring 3958-06 2
Kit, Overhaul, Membrane 7753-16 2

Filter Assembly

7751-G501 1
Seal, Filter Housing 7700-03 1
Element, Filter 7701-G501 1
O-Ring M83248/2-226 2
O-Ring M83248/2-015 2
Kit, Overhaul, Filter 7751-07 ref

Outlet Manifold Assembly

7754-G501 1

Inlet Separator Assembly

7651-G501 1

Drain Weldment, Inlet Separator

7656-G501 1
O-Ring, Face, inlet and outlet to manual valve M83248/2-015 2
O-Ring, Thread, under union body at inlet M83248/2-908 1

Drain Weldment, Inlet Separator

7656-G501 1
O-Ring, Face, at outlet to manual valve M83248/2-015 1

Gauge Assembly, Pressure Differential

7758-G501 1
Gauge, Pressure Differential 4787-01 1
O-Ring M83248/2-011 2
O-Ring M83248/2-904 2

Gauge Assembly, Pressure

7757-G501 1
Gauge, Pressure 3912-G503 1
O-Ring M83248/2-904 1
Valve, Gauge Calibration 5296-G501 1
O-Ring M83248/2-904 1

Miscellaneous

7537-G501 1
Coupling, Modified 5083-G501 1
Cap, Dust 3965-02 1
Tubing, Purge 7670-G505 1
Orifice 7186-113 1
O-Ring, Face M83248/2-015 1
O-Ring, Thread M83248/2-908 1
Tubing, Purge 7670-G502 1
Orifice 7186-113 1
O-Ring, Face M83248/2-015 1
O-Ring, Thread M83248/2-908 1
Union Body, Bulkhead 5075-90T-4 1
Valve, 2-Way 5076-01 2
Manifold, Manual Drain 7715-01 1
Manifold, Auto Drain 7716-01 1
Drain Tubing Suite 7671 1
O-Ring, Face M83248/2-015 4
O-Ring, Thread M83248/2-908 4
Tubing Suite, Main Flow 7672 1
O-Ring, Face M83248/2-011 6
O-Ring, Thread M83248/2-904 6
Gasket, Flange 7690-01 4
O-Ring 83248/2-328 2
Insulation 3075 as req'd
Tubing Suite, Gauge Lines 7672 1
O-Ring, Face M83248/2-011 4
O-Ring, Thread M83248/2-904 4

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