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PSS SHAFT SEAL 1 3/4" SHAFT 3 1/4" TUBE

FREE SHIPPING for PSS Shaft Seal 1-¾" Shaft 3-¼" Tube

$412.00 $515.00 ( / )
PSS Shaft Seal 1-3/4" Shaft 3-1/4" TubeShaft Diameter: 1-3/4"Stern Tube Diameter (D): 3-1/4" to 3-3/8"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...
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Identifiers:
SKU: NVN-50858 - UPC: 839662007344 - MPN: 02-134-314

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PSS SHAFT SEAL 1 3/4" SHAFT 3 1/4" TUBE PRODUCT DESCRIPTION

PSS Shaft Seal 1-3/4" Shaft 3-1/4" Tube

Shaft Diameter: 1-3/4"
Stern Tube Diameter (D): 3-1/4" to 3-3/8"
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.
Save $103 when you buy the PSS SHAFT SEAL 1 3/4" SHAFT 3 1/4" TUBE for only $412 from NVN Marine! Same day free shipping before 3pm.

PSS SHAFT SEAL 1 3/4" SHAFT 3 1/4" TUBE VIDEOS

PSS SHAFT SEAL 1 3/4" SHAFT 3 1/4" TUBE TECHNICAL SPECIFICATIONS

Type: 

Marine Hardware | Shaft Seals

Vendor: 

PSS Shaft Seal

Weight: 

6.0 lb

Product Brochure: 

Download PDF

Product Installation: 

Download PDF

PSS SHAFT SEAL 1 3/4" SHAFT 3 1/4" TUBE SHIPPING & RETURN

Shipping Weight: 

6.0 lb

Box Sizes: 

6.00 (h) x 7.00 (w) x 11.00 (l)

Cubic Feet: 

462.0

Returnable: 

Yes

SHIPPING POLICY

Effective Date : May 18, 2020

  • To ensure a fast and safe delivery we use UPS and FedEx Ground/Air shipping services.
  • Available shipping methods may vary for different type of products and shipping destinations.
  • We ALWAYS ship to the address given by the customer unless you tell us before your order is placed.
  • Most products in stock ship same day, or within 1 business day after which its delivery can be tracked via tracking number sent to your email.
  • Tracking the package with tracking code and following delivery is in the buyer responsibility.
  • For protecting your order, $1000+ orders require signature for delivery. (Free of charge) [Because of the Covid19 paused.]
  • Shipping to the PO BOX is not allowed! Your order will not be fulfilled.
  • Because of the wrong shipping address if the item return back to us, we are charging a fee for return.
  • We are following carriers informations, if carrier delivery status is delivered, we will accept order as a delivered, lost packages are the responsibility of the client.
  • Returns will ONLY be accepted within 30 days of the purchase.
  • Returns are handled on a case-by-case basis and may be subject to restock charge unless their is an error on the sellers part.
  • Anything that is programmed specifically for the customer such as AIS, Epirbs & PLB are NOT returnable!
  • Also since there is not a shipping charge originally you will need to cover the cost of the original shipping because this is not our fault. 
  • Products that are oversized must ship truck freight / LTL which differs from ground shipments.

Our Shipping Rates and Delivery Times for United States (48 state)

Rate Delivery Time Cost
Free Shipping (500$+ orders) 2-7 Days Free
Free Shipping (Special Products) 2-7 Days Free
Best Way Shipping 2-7 Days $8.95
Ground Shipping 1-6 Days $9.95
2nd Day [Promo] 2 Days $16.95
Overnight 1 Day $49.95
Oversize Items (150lb+) 1-6 Days $99.90



NOTE: These oversized items require inspection and a signature upon delivery. For more information on freight shipping contact with us.

For our return and refund policy please check this page: https://nvnmarine.com/pages/return-and-refund-policy


Last Updated: May 18 2020

Please email us at returns@nvnmarine.com or use the form below.

 

PSS SHAFT SEAL 1 3/4" SHAFT 3 1/4" TUBE USER REVIEWS

PSS SHAFT SEAL 1 3/4" SHAFT 3 1/4" TUBE

$412.00 $515.00 ( / )