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Duramax offers an extensive choice of stuffing boxes to accommodate shaft sizes and requirements.

Robust construction, designed for optimum performance and easy maintenance. Could last the life of your vessel.
Service options available: Air Seal, water service, grease service and lantern ring with "zerk" fitting, or a combination of the three service options. For shaft sizes as small as 2.5 inches up to a maximum of 36 inches.


DryMax Shaft Seal

stuffing DryMax Shaft Seal

The seal is a water-lubricated axial shaft seal system constructed of the highest quality materials which have been engineered to deliver long service life.
infoDRYMAX
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DryMax Rudder Seal

drymax Rudder DryMax Rudder Seal

DryMax is a robust and reliable hydrodynamic rudder seal system constructed of the highest quality materials designed to deliver long service life.
infoDRYMAX Rudder
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Forward Stern Tube Stuffing Boxes.

1786 Model 1786 Water & Grease Service with Air Seal

pdf1786
pdf1786ESP
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1786 Model 1787 Grease Service with Air Seal

pdf1787
pdf1787ESP
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1786 Model 1788 Water Service with Air Seal

pdf1788
pdf1788ESP
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1786 Model 1789 & 1789G Water Service (Optional with Grease Service)

pdf1789
pdf1789ESP
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1786 Model 1790 Grease Service

pdf1790
pdf1790ESP
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Air Seal Replacement Instructions

1786 Step by step instructions on how to replace the Air Seal on Johnson Air Seal Stuffing Boxes.

pdfAirReplace
pdfAirReplace_ESP
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Duramax Dutchman Air Seal

1786 Dutchman Add-On Air Seal Housing
The Dutchman housing can be custom-built and added to any solid or split design stuffing box. Allows you to change packing or maintain a stuffing box at sea.

pdfdutch
STUFFING_dutchmanESP
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Bulkhead & Rudder Stuffing Boxes.

1786 Model 1790M Grease Service

pdf1790M
pdf1790MESP



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1786 Model 1791 Grease Service

pdf1791
pdf1791ESP


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Duramax "Strong Boy" Series.

1786 Solid Bronze Stuffing Box
Model 102: supplied with packing only
Model 102L: with packing, lantern-ring and grease fitting for packing lubrication
Model 102LB: with packing, lantern-ring and grease fitting, with1/3-length standard rubber sleeve bearing.

pdf102
pdf102ESP
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1786 Solid Bronze Matching Stern-Casting
Fitted with Johnson Cutless water-lubricated rubber bearing



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Duramax® is a registered trademark of Duramax Marine® LLC.
Johnson® is a registered trademark of Duramax Marine® LLC.