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PSS Shaft Seals
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PSS Shaft Seal Maintenance Kits
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PSS Packless Shaft Seals

PSS Shaft Seals

The Packless Sealing System (PSS) Shaft Seal is a mechanical face seal that is created between a rotating stainless steel collar (rotor) and a stationary carbon flange (stator). The carbon flange is attached to a convoluted rubber (EPDM) bellow and the back of the bellow is attached to the shaft log (sterntube) of the boat with hose clamps.

During installation, the stainless steel collar is used to compress the convoluted bellow.  The collar is then secured to the shaft with set screws. The compression of the bellow allows the seal faces to remain in constant contact and compensate for the fore-and-aft movement of the shaft caused by the propellers thrust pushing on the engine mounts. The carbon flange is bored larger than the shaft diameter, allowing it to "float” around the shaft and compensate for most misalignment and vibration problems.  The stainless steel collar is sealed to the shaft with two o-rings that are recessed into the bore of the collar. These o-rings rotate with the shaft and collar and do not experience wear during operation. This static o-ring seal enables the PSS Shaft Seal to be fit on shafts that have some wear or pitting, unlike lip seal designs that require a clean area for the lip seal to ride.

Seals for 3/4" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02034114 PSS Shaft Seal for 3/4" Shaft / 1 1/4" Tube $228.00 Add to cart
pss02034112 PSS Shaft Seal for 3/4" Shaft / 1 1/2" Tube $228.00 Add to cart
pss02034134 PSS Shaft Seal for 3/4" Shaft / 1 3/4" Tube $228.00 Add to cart
pss02034200 PSS Shaft Seal for 3/4" Shaft / 2" Tube $228.00 Add to cart
pss02034214 PSS Shaft Seal for 3/4" Shaft / 2 1/4" Tube $228.00 Add to cart
pss02034212 PSS Shaft Seal for 3/4" Shaft / 2 1/2" Tube $248.00 Add to cart

Seals for 7/8" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02078114 PSS Shaft Seal for 7/8" Shaft / 1 1/4" Tube $228.00 Add to cart
pss02078112 PSS Shaft Seal for 7/8" Shaft / 1 1/2" Tube $228.00 Add to cart
pss02078134 PSS Shaft Seal for 7/8" Shaft / 1 3/4" Tube $228.00 Add to cart
pss02078200 PSS Shaft Seal for 7/8" Shaft / 2" Tube $228.00 Add to cart
pss02078214 PSS Shaft Seal for 7/8" Shaft / 2 1/4" Tube $228.00 Add to cart
pss02078212 PSS Shaft Seal for 7/8" Shaft / 2 1/2" Tube $248.00 Add to cart

Seals for 1" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02100114 PSS Shaft Seal for 1" Shaft / 1 1/4" Tube $236.00 Add to cart
pss02100112 PSS Shaft Seal for 1" Shaft / 1 1/2" Tube $236.00 Add to cart
pss02100134 PSS Shaft Seal for 1" Shaft / 1 3/4" Tube $236.00 Add to cart
pss02100200 PSS Shaft Seal for 1" Shaft / 2" Tube $236.00 Add to cart
pss02100214 PSS Shaft Seal for 1" Shaft / 2 1/4" Tube $236.00 Add to cart
pss02100212 PSS Shaft Seal for 1" Shaft / 2 1/2" Tube $260.00 Add to cart

Seals for 1-1/8" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02118114 PSS Shaft Seal for 1 1/8" Shaft / 1 1/4" Tube $236.00 Add to cart
pss02118112 PSS Shaft Seal for 1 1/8" Shaft / 1 1/2" Tube $236.00 Add to cart
pss02118134 PSS Shaft Seal for 1 1/8" Shaft / 1 3/4" Tube $236.00 Add to cart
pss02118200 PSS Shaft Seal for 1 1/8" Shaft / 2" Tube $236.00 Add to cart
pss02118214 PSS Shaft Seal for 1 1/8" Shaft / 2 1/4" Tube $236.00 Add to cart
pss02118212 PSS Shaft Seal for 1 1/8" Shaft / 2 1/2" Tube $260.00 Add to cart

Seals for 1-1/4" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02114134 PSS Shaft Seal for 1 1/4" Shaft / 1 3/4" Tube $272.00 Add to cart
pss02114200 PSS Shaft Seal for 1 1/4" Shaft / 2" Tube $272.00 Add to cart
pss02114214 PSS Shaft Seal for 1 1/4" Shaft / 2 1/4" Tube $272.00 Add to cart
pss02114212 PSS Shaft Seal for 1 1/4" Shaft / 2 1/2" Tube $272.00 Add to cart
pss02114234 PSS Shaft Seal for 1 1/4" Shaft / 2 3/4" Tube $296.00 Add to cart
pss02114300 PSS Shaft Seal for 1 1/4" Shaft / 3" Tube $296.00 Add to cart
pss02114314 PSS Shaft Seal for 1 1/4" Shaft / 3 1/4" Tube $296.00 Add to cart
pss02114312 PSS Shaft Seal for 1 1/4" Shaft / 3 1/2" Tube $296.00 Add to cart

Seals for 1-3/8" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02138134 PSS Shaft Seal for 1 3/8" Shaft / 1 3/4" Tube $272.00 Add to cart
pss02138200 PSS Shaft Seal for 1 3/8" Shaft / 2" Tube $272.00 Add to cart
pss02138214 PSS Shaft Seal for 1 3/8" Shaft / 2 1/4" Tube $272.00 Add to cart
pss02138212 PSS Shaft Seal for 1 3/8" Shaft / 2 1/2" Tube $272.00 Add to cart
pss02138234 PSS Shaft Seal for 1 3/8" Shaft / 2 3/4" Tube $296.00 Add to cart
pss02138300 PSS Shaft Seal for 1 3/8" Shaft / 3" Tube $296.00 Add to cart
pss02138314 PSS Shaft Seal for 1 3/8" Shaft / 3 1/4" Tube $296.00 Add to cart
pss02138312 PSS Shaft Seal for 1 3/8" Shaft / 3 1/2" Tube $296.00 Add to cart

Seals for 1-1/2" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02112200 PSS Shaft Seal for 1 1/2" Shaft / 2" Tube $360.00 Add to cart
pss02112214 PSS Shaft Seal for 1 1/2" Shaft / 2 1/4" Tube $360.00 Add to cart
pss02112212 PSS Shaft Seal for 1 1/2" Shaft / 2 1/2" Tube $360.00 Add to cart
pss02112234 PSS Shaft Seal for 1 1/2" Shaft / 2 3/4" Tube $360.00 Add to cart
pss02112300 PSS Shaft Seal for 1 1/2" Shaft / 3" Tube $360.00 Add to cart
pss02112314 PSS Shaft Seal for 1 1/2" Shaft / 3 1/4" Tube $360.00 Add to cart
pss02112312 PSS Shaft Seal for 1 1/2" Shaft / 3 1/2" Tube $360.00 Add to cart
pss02112334 PSS Shaft Seal for 1 1/2" Shaft / 3 3/4" Tube $420.00 Add to cart
pss02112400 PSS Shaft Seal for 1 1/2" Shaft / 4" Tube $420.00 Add to cart

Seals for 1-3/4" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02134214 PSS Shaft Seal for 1 3/4" Shaft / 2 1/4" Tube $392.00 Add to cart
pss02134212 PSS Shaft Seal for 1 3/4" Shaft / 2 1/2" Tube $392.00 Add to cart
pss02134234 PSS Shaft Seal for 1 3/4" Shaft / 2 3/4" Tube $392.00 Add to cart
pss02134300 PSS Shaft Seal for 1 3/4" Shaft / 3" Tube $392.00 Add to cart
pss02134314 PSS Shaft Seal for 1 3/4" Shaft / 3 1/4" Tube $392.00 Add to cart
pss02134312 PSS Shaft Seal for 1 3/4" Shaft / 3 1/2" Tube $392.00 Add to cart
pss02134334 PSS Shaft Seal for 1 3/4" Shaft / 3 3/4" Tube $460.00 Add to cart
pss02134400 PSS Shaft Seal for 1 3/4" Shaft / 4" Tube $460.00 Add to cart

Seals for 2" Shafts

Part No. Description (Click for more information) Price Buy Now
pss02200212 PSS Shaft Seal for 2" Shaft / 2 1/2" Tube $460.00 Add to cart
pss02200234 PSS Shaft Seal for 2" Shaft / 2 3/4" Tube $460.00 Add to cart
pss02200300 PSS Shaft Seal for 2" Shaft / 3" Tube $460.00 Add to cart
pss02200314 PSS Shaft Seal for 2" Shaft / 3 1/4" Tube $460.00 Add to cart
pss02200312 PSS Shaft Seal for 2" Shaft / 3 1/2" Tube $460.00 Add to cart
pss02200334 PSS Shaft Seal for 2" Shaft / 3 3/4" Tube $524.00 Add to cart
pss02200400 PSS Shaft Seal for 2" Shaft / 4" Tube $524.00 Add to cart



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