pss dripless shaft seal installation

Considered the most efficient way to seal a shaft, the PSS (Packless Sealing System) shaft seal is a mechanical face seal, which uses the seal created between the flat surfaces of the rotating stainless steel rotor and the stationary carbon flange. The company (PYI) claims there are boats with over 40,000 of service on original equipment (I'll give them the benefit of doubt). PSS Shaft Seals are all vented so no air can become trapped in the shaft log. Never a problem, never had to change a seal out while I owned it. The carbon flange is attached to the stern tube via an articulated rubber bellows. See Installation Instructions. Shrink products and more. The PSS Shaft Seal (stands for Packless Sealing System) is a maintenance-free, 100% dry stuffing box and packing gland replacement for your sailboat or powerboat. It combines the benefits of a dripless mechanical seal (dry bilge and less vibration) with the durability and safety of a traditional bronze stuffing box. For install I'm guessing I have to take the flange off the shaft. 7744666.pmd 3 6/30/2005, 11:12 AM Most of these units use what's called a face seal, with a flexible bellows attached to the stern tube (or stuffing box collar) that presses a fixed carbon/graphite flange against a rotating stainless-steel rotor which spins with the prop shaft, creating a seal between the rotor and flange. A PSS shaft seal depends on the pre-compressed bellows to maintain a slight pressure, assuring just the right degree of contact between the seal and the rotating face. In my experience, people are very happy with their PSS, Tides, and Lasdrop "dripless" shaft seals unless they've experienced a failure. One effective alternative to a dripless mechanical shaft seal is a self-aligning stuffing box such as R.E. Installing a PSS Shaft Seal: Step 2 Installing PSS Seal Sliding the Seal Onto the Shaft. The Blackfin I had Tides dripless and the extra lip seal "ready to go" on the shaft as a spare. A little dripless shaft seal background There are two primary types of dripless shaft seals – lip seals and face seals. The PSS Shaft Seal by PYI is the #1 selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders and boat yards. This is my first post however the intention is make everyone aware of the potential problems which can arise from using PSS shaft seals produced by PYI . During the break-in period you may experience a very fine mist, sometimes associated with a black dust coming from the PSS Shaft Seal. An air-bound shaft log can result in the PSS running dry and becoming extremely hot. The PYI 02112212 shaft seal is a dripless stuffing box and packing gland replacement for sailboat and power boat drivetrains. How hard are those to remove. Seems like a lot guys went to pss is that the way to go. Also, if you want a dry bilge, now is the time to get rid of the stuffing box and go with a PSS shaft seal. Dripless shaft seal I'm thinking about changing the old packing seal to a drip less. More Info. Answer: On average, the PSS Shaft Seal requires approximately one hour of break-in time, which allows the carbon flange to polish the mating face of the stainless steel rotor. The seal (which fits snugly against the shaft to prevent water entry) remains stationary with the shaft … The first thing I did was to remove the propeller. According to the PSS Dripless Seal installation instructions boats that do under 12 knots and do not have a bearing in the shaft log can get away with just a venting hose. IBEX - International Boatbuilder’s Exhibition and Conference Oct 4 - 6, 2016 Tampa, FL Booth 1552 www.ibexshow.com. Thomas Marine Hardware’s ISB-SA system.. Never had a problem with them and IMO Tides has the 2nd largest sales in dripless seals….PSS shaft seals being #1 in the industry. then if find reliable would have other work as used just putting costs together The two boats I have now have PSS dripless shaft seals. The PSS Shaft Seal helps to eliminate water in the bilge (100% water tight) & wear to the propeller shaft. Remove the air from the propeller shaft tube as follows: The propeller shaft seal is purged from air by pressing the seal edges together and against the propeller shaft (8). I am considering installing a dripless shaft seal while the engine is out. There are a number of manufacturers of dripless shaft seals and a variety of designs. Traction made beautiful. Certified by Bureau Veritas, ABS & Rina. • the pss (packless sealing system) shaft seal (“pss”) you are preparing to install is a To aid with the drive shaft installation, A.R.E. The PSS Shaft Seal can be easily retrofitted and is available for shafts ranging from 3/4" (20mm) to 8" (205mm). KiwiGrip Non-Skid. PSS Type A Shaft Seal For 3/4" to 3-3/4" (20mm to 95mm) shaft diameters Shop Now. A dripless shaft seal will cost between $200 and $1,200, depending on how big your boat is (shaft size and shaft log size), but in general closer to the $200 figure. Lip seal units employ a synthetic rubber sleeve encased within a metal housing. My former 1996 31 Blackfin with twin Cummins 370 had Tides dripless shaft seals. When water seeps out of the gap. PYI - go to homepage Toggle navigation PYI Inc. PSS Shaft Seal. It's dripless operation eliminates needless bilge pumping, and wet bilges! However I have a bearing in the log so I am assuming I have to lubricate and … ... Easy is right! The PSS Shaft Seal is also recognized as the premiere retrofit (aftermarket) seal on the world market. FACE SEALS. PSS Shaft seals are also known as dripless seal systems. Shop Online! If the shaft log becomes air entrapped the rotor faces lack lubrication and the PSS is a water lubricated shaft seal. Tightening Hose Clamps and Installing Clamp Jackets. What do you guys recommend. PYI Inc. is a premier manufacturer and distributor of high quality marine, boat, yacht, and ship equipment and supplies. offers a couple of special tools, although the job can be done without these tools. There are a number of manufacturers of dripless shaft seals, and therefore a variety of designs exist. More Info. Menu Nautical Specialties Lasdrop Shaft-Seals. It is a PSS shaft seal and likely hasn't been maintained in awhile. Please read the available information in the PSS Shaft Seal … The PSS Shaft Seal is also recognized as the premiere retrofit (aftermarket) seal on the world market. important! It comes with the seal body, install tool pre installed, the spare seal, hose & fittings to supply water, and the strut bearings. - before starting your installation carefully read the following warnings and instructions. In the process of removing the engine several other things are receiving attention. PSS dripless shaft seals have also proven to be reliable over the years and they look really high tech. I know you have to heat it but will propane or mapp gas work? The new seal is water fed so cut the top hose coming from the t stat housing install the tee that comes with the kit and tighten. Benefits of PYI Shaft Seals / PSS PYI Shaft Seals are the number one selling brand in the world, used by more boat builders – including Alden Yachts, Wellcraft, Bayliner, Donzi Yachts, Ocean Alexander – than any other brand or type of seal … This is a small price to pay to avoid the drip, drip, drip of an old-fashioned stuffing box and the resultant mold and … Shop online for Lasdrop seals, Trident Marine Hose, Dr. Looking at buying used boat has 2" shaft and dripless seal that need replacement get Idea of cost to replace It is bertram over 50 would like both shafts trued and seals replaced obviously approximate costs. The 25 TJ has a PSS shaft seal.....so far so good....I don't expect any issues. Product Specifications: PSS Type A Seal Dimensions Downloads: Installation Instructions The Type A PSS Shaft Seal is a mechanical face seal. PSS Features – • Self-aligning high density carbon-graphite stator ensures a 100% watertight seal with proven reliability Dripless Shaft Seal. The PSS Shaft Seal (stands for Packless Sealing System) is a maintenance-free, 100% dry stuffing box and packing gland replacement for your sailboat or powerboat. 11. I have never heard of nor researched Chatfield shaft seals. As other people have mentioned, there are pros and cons to to the various shaft sealing systems on the market. Failures are few and far between but when they occur, your boat is in serious trouble. Thanks for a terrific product; and I also have you shaft seal that has been problem free since installation over 10 years ago. a breeze to install; performance is nothing less than outstanding. Dripless Shaft Seal Hailed as the best way to a dry bilge! 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. Then I needed to remove the shaft and PSS seal. Open Monday - Friday from 7:00am to 4:30pm PST A dripless shaft seal finally allows you to experience dry bilges – no more wetness, packing replacement, shaft wear or needless periodic bilge pumping! PSS Shaft Seals by PYI . Hello All, I'm in the process of R-n-R'ing the 5432 in my E38 with a used engine. Dripless Shaft Seal Hailed as the best way to a dry bilge! It's dripless operation eliminates needless bilge pumping, and wet bilges! Product Specifications: PSS Maintenance Kit Dimensions Downloads: Installation Instructions As with any rubber / silicone hose below waterline, the PSS bellow must be inspected on a regular basis for any sign of wear, aging or chemical deterioration. With the Cummins engine, I have a 1 1/4" shaft, but I don't know the shaft log size, which is needed when ordering. PYI - PSS 02-112-300 Dripless Shaft Seal - Type A. Length for this seal is 5¼” to 5½” as shown on the diagram. The manufacturer specifies that a maintenance kit be installed every six years so I will be doing that. I would suggest replacing the strut bushings since you will have everything apart. PSS shaft seals by PYI are face seals, which bear against a contact face – a split ring that bolts around the propeller shaft and rotates with it, just ahead of the seal. Dripless Shaft Seals – How They Work. The sealing surface is created between the flat surfaces of the rotating stainless-steel rotor and the stationary carbon flange. the seal is purged, see fig. PSS Maintenance Kit For 3/4" to 3-3/4" (20mm to 95mm) shaft diameters Shop Now. failure to properly follow the warnings and instructions could lead to personal injury or even death, or physical, environmental or property damage. The PYI PSS packless dripless 02112212 shaft seal is a mechanical seal that uses a self-aligning carbon-graphite stator to ensure a 100% watertight seal. The PSS Shaft Seal is the #1 selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders and boat yards. This pressure creates a slight gap between the seal and the shaft (9). Does the PSS Shaft Seal have a "break-in" period? If you experience any spray or mist following the break in period, measure the installed length, and adjust the seal as needed for an installed length of 5¼”. Out of the box, the pro kit looks like this.

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