PSS Shaft Seal 1-⅛ Shaft 1-½ Tube

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SKU: CWR-50832
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Details
PSS Shaft Seal 1-1/8 Shaft 1-1/2 Tube

Shaft Diameter: 1-1/8
Stern Tube Diameter (D): 1-1/2 to 1-5/8
Total Length (A): 6.975
Total Length (compressed) (Compressed A): 6.225
Rotor Diameter (B): 2.375
Carbon Cuff Diameter (C): 2
Stern Cuff Length (E): 1.5

The PSS Shaft Seal is the number one selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders / yards. The PSS Shaft Seal is also recognized as the premiere retrofit (aftermarket) seal on the world market. Certified by Bureau Veritas, ABS & Rina: Boat builders / yards recognize the advantages and value of installing the PSS as it eliminates the maintenance, constant adjustment & cost associated with traditional packing type glands. Aside from these benefits, the PSS Shaft Seal helps to eliminate water in the bilge (100% water tight) & wear to the propeller shaft. The PSS Shaft Seal can be easily retrofitted and is available for shafts ranging from 3/4 (20mm) to 6 (150mm).

The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stainless steel rotor and the stationary carbon flange. The stationary carbon flange is attached to the vessels stern tube with hose clamps and the carbon flange is attached to the front side of the bellows with hose clamps. The stainless steel rotor is fit on the shaft in front of the carbon flange. The stainless steel rotor is used to compress the bellows before the collar is secured to the shaft with set-screws. This compression (pre-load) maintains contact between the faces and allows the PSS to compensate for the thrust from the propeller. The carbon flange is bored larger than the shaft diameter allowing it to float around the shaft and thus compensate for most misalignment and vibration problems. The stainless steel collar is sealed to the shaft by two o-rings that are recessed into the bore of the collar. These o-rings rotate with the shaft and stainless steel rotor and do not experience wear during operation.


**As with any rubber hose below waterline, the PSS bellows must be inspected on a regular basis for any sign of wear, aging or chemical deterioration. PYI suggests as preventative maintenance that the PSS bellow be replaced in six year intervals. During bellows replacement it is recommended the o-rings & set screws in the stainless steel rotor also be replaced.

Bellows may need to be more frequently inspected in an environment where non-sealed batteries emit sulfuric acid. Sulfuric acid vapor will accelerate rubber deterioration, as will an ozonater.

The Maintenance Kit includes the items you need to properly maintain your PSS Shaft Seal. Included in the kit is one (1) PSS bellow, two (2) O-rings, five (5) set screws, four (4) new hose clamps and an allen key.
Additional Info
MPN 02-118-112
SKU CWR-50832
Additional Info No
Package Includes PSS Shaft Seal 1-⅛ Shaft 1-½ Tube
UPC Code 839662007221
Condition Brand New
Condition Description This item is brand new, unopened and sealed in its original factory box.
Warranty 1 Year Direct Manufacturer Warranty
Ebay Ready Yes
Qty Available 1
Model Number 02-118-112
Package Length 9
Package Width 6
Package Height 5
Weight 2.3100
Shipping Costs 9.99 Flat
Ship From Zip 08721
MAP Price (minimum advertised price) This is the lowest price you can advertise this product for (you can always price higher), if 0.00 then there is no MAP price and you can sell for whatever price you choose. $232.00
Returns Accepted You can return your purchase for up to 30 days, There will be a 20% restocking fee on unwanted items (if you are not returning for an exchange the item is considered unwanted). If the item is defective please contact us to set up an exchange.
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