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- The PSS Shaft Seal Packless Sealing System® is a dripless stuffing box and packing gland replacement for sailboat and power boat drivetrains.
- The dripless shaft seal is a mechanical seal that uses a self-aligning carbon-graphite stator to ensure a 100% watertight seal with proven reliability.
- This dripless seal will eliminate shaft wear and minimize corrosion.
- The PSS Dripless Shaft Seal is the number one selling marine mechanical seal worldwide and is installed as standard equipment by many of the world’s most reputable boat builders & yards.
How Does The PSS Mechanical Shaft Seal Work?A mechanical shaft seal is created by the contact of a turning surface against a stationary surface. In the case of the PSS Dripless Shaft Seal, the stationary surface is a carbon flange held in contact against a stainless steel rotor which turns with the shaft. The carbon flange is attached to the boat by a nitrile bellow which, with the help of water pressure, produces a constant contact between the carbon and the stainless steel ring. These type of seals are unaffected by engine motion or vibrations.
The result is a 100% watertight and totally maintenance-free dripless shaft seal.
Available for shafts from 3/4" to 3 3/4" (22mm to 95mm). Larger sizes available upon request. Please use our 'Product Inquiry' Form, or call (800) 454-6960 for larger sizes.
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