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PSS Shaft Seal 1-3/4" Shaft 3" Tube
Shaft Diameter: 1-3/4"
Stern Tube Diameter (D): 3"
Total Length (A): 9.175"
Total Length (compressed) (Compressed A): 8.175"
Rotor Diameter (B): 3.75"
Carbon Cuff Diameter (C): 3.25"
Stern Cuff Length (E): 2"
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.
18 Butler Ave, Bayville, NJ 08721
8918 Sabal Industrial Blvd, Tampa, FL 33619
Shipping will be done via UPS, FedEx or USPS. Courier's standard terms, conditions and policies will be applied on all shipments. Please refer to courier's website for further details. Tracking info will be sent via email or sms to you when your order ships.
Important Note: Timely deliveries are not guaranteed from Courier Companies due to Covid-19 pandemic, delays are possible.
USPS Promotional: Calculated at Checkout Page
BestWay Promotional: $9.99 (2-7 Business Days)
Ground Promotional: $11.99 (1-6 Business Days)
2-Days Promotional: $19.99 (2 Business Days)
Next Business Day Promotional: $49.99 (Next Business Days)
Get hundreds of items for the lowest shipping rates. You will only be charged for single shipment, if you go with our Promotional Best way Shipping option during Checkout.
Shipping will be done by UPS, FedEx or USPS. Courier's standard terms, conditions and policies will be applied. Please refer to courier's website for further details. Tracking info will be emailed to you when your order ships.
We pride ourselves in accurate inventory reporting and efficiency. Most "in stock" orders placed before 3:00 PM EST will ship out the same day. Same day shipping only applies to payments received Monday-Friday. All orders paid for after 3:00 PM EST on Friday will be shipped on the following Monday (if that Monday is not a holiday). While our site only shows our inventory on hand, typically we can have just about anything you may need to drop shipped the same day. If you do not see something in stock please send us an email and we will assist you in any way possible. We normally ship from New Jersey and/or Florida which is 1-2 days from the NE and Mid-Atlantic, 3 days from the Great Lakes, 4 days from the Gulf and 5 days to the West Coast. If you ask, we may be able to drop ship your order from a warehouse closer to you, which may get the transit time down to 2 days or less.
Our Promotional Best Way shipping offers all items in one package. You can order as many items as you want in a single shipment. It may include multiple packages to your address but you will only be charged for one shipment. Normal delivery time is 2-7 business days but it could take up to 10 business days in some cases.
All orders over $499.99 are eligible for free ground shipping. This option will be presented to you at checkout once you are logged in. We use UPS and USPS to ship our products. Note: These rates are not Available to AK, PR or HI. See exclusions below
Our Promotional 2-Days shipping offers all items in one package. You can order as many items as you want in a single shipment. With this shipping method, our magic shipping algorithms shop several carriers to find the best mode of transportation that will deliver your packages in two days to the 48 contiguous states. That’s a tremendous value!
This rate does not apply on Hazmat and Truck Freight items
Most marine electronics orders are eligible for $49.99 Overnight Shipping. Orders must be placed by 3 PM Eastern Standard Time. If we are unable to provide overnight delivery due to inventory allocation you will be given alternatives. Overnight is not available to AK or HI.
This offer does not apply to some oversized or hazmat items like dock boxes, consoles, life rafts, generators, outboards and outriggers.
If any item has any limit to be shipped by the carrier chosen by the customer during checkout process, Gear Ramp LLC. reserves the rights to send it via any other channel.
Gear Ramp LLC. has built our reputation on the ability to ship orders on the same day they are placed, and in many cases, you will have your order the next day. If you absolutely need your order by the next day, we suggest you email us to confirm availability.
Hassle Free customer service is our first priority at Gear Ramp LLC. When purchasing via the Internet we realize is sometimes difficult because you are unable to visualize or interact with the product. Because of this limitation, we offer our customers / fans several return options to insure your shopping experience with us is nothing less than extraordinary.
Guarantees and Warranties:
Gear Ramp LLC. will stand behind all products we sell with regards to manufacturing defects in workmanship and material for 30 days. After 30 days defective products should be returned to the manufacturer for warranty repair. We will always do everything in our power to take care of the problem regardless of when purchased.
Please send all return requests to info@gearramp.com. Please include your order number, the item(s) you wish to return, along with the reason for the return.