Subcategories
Dripless Shaft Seal Products for Sale – USA & International Delivery
Dripless shaft seals are a modern upgrade over traditional packing glands, designed to keep your bilge dry while reducing maintenance and wear on your drivetrain. By using advanced sealing materials—typically a carbon or composite rotor paired with a stationary sealing face—dripless seals create a reliable, water-tight barrier around the propeller shaft without the need for constant adjustment or lubrication. The result is improved reliability, cleaner bilges, lower shaft wear, and greater peace of mind underway. Ideal for both cruising and performance vessels, dripless shaft seals offer a long-lasting, efficient solution for shaft sealing with minimal upkeep compared to conventional flax packing systems.
How it works
- The seal uses two precision faces pressed together
- Stationary carbon (or composite) flange
- Rotating stainless-steel rotor attached to the shaft
- As the shaft spins, those faces stay in contact, creating a watertight seal
- No packing, no adjustment, no drip
- Some designs are water-lubricated or air-vented to keep the seal cool
Why people switch to dripless seals
- Zero or near-zero bilge water
- No routine tightening like packing
- Reduced Shaft Wear
- Cleaner engine room
- Long service life when installed correctly
Where they’re used
- Sailboats
- Powerboats
- Trawlers
- Sportfish
- Commercial inboards
Important install notes (shop reality)
- Shaft alignment must be good
- Seal must be set to the correct compression
- Some seals need burping/venting after launch
- Hose condition and clamps are critical
- Installed wrong, even the best seal will fail
Common seal styles
- Carbon face / stainless rotor (most common)
- Lip seal systems (simpler, but wear faster)
Brand: Norscot
Stock: In Stock
Norscot Dripless Propeller Shaft Seal 2-1/2"
No adjustments needed or water needed for cooling with the Norscot Dripless Shaft Seal. It is a self-c..
from
$765.00
Brand: Norscot
Stock: In Stock
Norscot Dripless Propeller Shaft Seal 3"
No adjustments needed or water needed for cooling with the Norscot Dripless Shaft Seal. It is a self-conta..
from
$941.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 0.750"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$265.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 0.875"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$265.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 1.000"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$275.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 1.125"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$275.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 1.250"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$315.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 1.375"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$315.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 1.500"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$415.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 1.750"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$455.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 2.000"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$525.00
Stock: In Stock
PSS Type A High Speed Shaft Seal 2.250"
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stai..
from
$610.00