Nautical Specialties DS-1250-2000 Prop Shaft SealsNautical Specialties 1-1/4" Shaft 2" Stern Tube Dual Water Inject #DS-1250-2000Normalized SKU: DS12502000

Download Literature Watch VideoPSS Shaft Seal 03-200-234 Prop Shaft SealsSilicone Shaft Seal 2" Shaft & 2-3/4" TubeThe PSS PRO Shaft Seal is a mechanical face seal utilizing PSS's proven stainless steel and carbon sealing components, with a few additions. These additions include adding reinforced silicone bellows, 316 stainless steel hose clamps (rolled edges and non-perforated), and an optional Nitronic 50 rotor upgrade (for highly corrosive environments).Designed specifically for applications that will require increased durability and resistance to harsh, corrosive, high-pressure, and otherwise demanding environments, the PSS PRO Shaft Seal is a specialized mechanical seal that is suitable for a variety of applications and has unmatched performance.Features: 2 in. shaft diameter  2-3/4 in. to 2-7/8 in. stern tube diameter Certifications: ABS Certified RINA Certified Bureau Veritas Certified How Does it Work?Two nitrile o-rings seal the stainless steel rotor to the shaft and will not experience wear.The Shaft Retention Collar is attached to the shaft and helps retain the propeller or rudder shaft in a vessel in the event of catastrophic failure of the coupling or if the shaft comes free from the coupling.A seal is created between the two mating faces of the carbon stator and the stainless steel rotor.A seal is created between the two mating faces of the carbon stator and the stainless steel rotor.Raw water is fed to the PSS Shaft Seal for cooling / lubricating the seal faces on high speed vessels.Hose clamp tail protection, Clamp Jackets.The stationary carbon stator is attached to the bellows, which is secured to the stern tube (shaft log).316SS hose clamps with rolled edges and a non-perforated band.Shaft Retention Collar The PYI Shaft Retention Collar is designed to help retain the propeller or rudder shaft in a vessel in the event of catastrophic failure of the coupling or if the shaft comes free from the coupling. The double split design provides maximum axial holding power with the benefit of quick and efficient assembly with the shaft installed. The design fully engages the shaft without marring. Easily installed where major disassembly would otherwise be required. Greater axial holding power than set screws or one-piece clamping collars. Effective on hard and soft shafts.RotorThe PSS stainless steel rotor is slid down the shaft and secured to the shaft with set screws at 90° for maximum holding power. Precision tolerances are maintained by computer-controlled lathes. The faces have a number 9 micro finish and are perpendicular to the bore to prevent run-out as the collar rotates. The carbon graphite stator will polish the face of the rotor during the first few minutes of operation. The stainless steel rotor should not need to be replaced under normal operating conditions. The stainless steel rotor used on the PSS Type A Shaft Seal is made from 316L stainless steel.Carbon StatorThe high-density resin-impregnated carbon/graphite stator is a composite that is first mixed, molded, and then formed under pressure. The blanks are then baked, machined, and lapped. The face of our carbon is finished to a flatness of 4 helium light bands (measured .000044" of variation over the entire lapped surface). The grade of carbon used in the PSS has an operating temperature of over 500° Fahrenheit (+260° Celsius) and cannot melt if the seal runs dry, unlike a rubber lip seal or plastic face seal. The high density of the carbon greatly increases its longevity and wear resistance. Several commercial vessels have recorded over 40,000 (over 4-1/2 years of continuous operation) engine hours on the same, original components. The carbon should not need to be replaced under normal operating conditions.BellowThe PSS PRO Shaft Seal bellow provides the best combination of durability, strength, and elasticity. It's constructed of four-ply aramid or silicone with a flurosilicone outer. This flurosilicone cover creates an oil- and fuel-resistant barrier, protecting the exterior surface from the possibility of damage from a splash or spill. Both ends of the bellow are sealed. The four-ply cloth inlay provides excellent strength and resistance to abrasion. This bellow has a continuous operating temperature range of -90°F to +425°F (-70°C to +220°C). Normalized SKU: 03200234UPC Code: 015568070013PSS Shaft Seal 03-200-234 Literature Download Quick Reference GuidePSS Shaft Seal 03-200-234 Video

Recmar MGDES2 Prop Shaft SealsThe Electro Eliminator No 2" To 8" by Recmar (MGDES2) is the most effective shaft bonding solution. The electro eliminator, which runs directly onto the propeller shaft, keeps the anode in constant low resistance contact with the propeller shaft. The Electro Eliminator No 2" To 8" by Recmar (MGDES2) has copper graphite brushes that will give at least 2000 running hours under normal conditions. The rotating shaft causes annoying interference to electronic equipment, which the electro eliminators will remove. Key Features: It is the most effective shaft bonding solution. It runs directly onto the propeller shaft and keeps the anode in constant low resistance contact with the propeller shaft It has copper graphite brushes that will give at least 2000 running hours under normal conditions. The rotating shaft causes annoying interference to electronic equipment, which the electro eliminators will remove. Specifications: Brand: Recmar SKU: MGDES2 Weight: 0.13 LBS Unit of Measure: EA Manufacturer Part Number (MPN): MGDES2 Normalized SKU: MGDES2

Buck Algonquin 70STBC256 Prop Shaft Seals Minimum Diameter: 2.326 inches Maximum Diameter: 2.622 inches Band Width: .75 inches Band Thickness: .025 inches Bolt Length: 2.5 inches Nut: 18-8 Stainless Steel with Nylon Insert Torque to 60 lbs. Tighten with Hand Tools Only Normalized SKU: 70STBC256

Buck Algonquin 50725B2500U Prop Shaft Seals 2-1/2 in. Shaft x 7-1/4 in. Flange Split Coupling 7-1/4 in. flange diameter 6 bolt-hole pattern 3/4 in. bolt size 4.921 in. bolt circle 5-1/8 in. overall length 5/8 in. key size Replaces Buck Algonquin 50726B2500 Normalized SKU: 50725B2500U

Buck Algonquin 50MC005125 Prop Shaft Seals 1-1/4 in. x 5 in. Solid Hub Coupling 1-1/4 in. prop shaft diameter 5 in. flange diameter Solid hub Replaces Paragon 12081C Normalized SKU: 50MC005125

Buck Algonquin 50610B2500 Prop Shaft Seals 2-1/2 in. Shaft x 6.1 in. Flange Split Coupling 6.1 in. flange diameter 10 bolt-hole pattern 5/8 in. bolt size 4.921 in. bolt circle 5 in. overall length 5/8 in. key size Normalized SKU: 50610B2500

Buck Algonquin 50401S1250 Prop Shaft Seals Split coupling Normalized SKU: 50401S1250

Buck Algonquin 50401S0875 Prop Shaft Seals Split Flange 4in x 7/8in Bore 2 1/2 Replaces Buck Algonquin 50401SO875 Normalized SKU: 50401S0875

Buck Algonquin 50401S0750 Prop Shaft Seals 3/4 inch Split Shaft Coupling with 4-inch Flange Normalized SKU: 50401S0750

Buck Algonquin 3BPBW100 Prop Shaft Seals 2 in. Zinc Plated Iron Packing Box Wrench 2 in. opening size Fits Buck Algonquin 1 in. & 1-1/8 in. packing boxes 9 in. overall length Normalized SKU: 3BPBW100

Buck Algonquin 00PK125 Prop Shaft Seals 7/8-9 Prop Knocker Bronze Normalized SKU: 00PK125

Buck Algonquin 00PB138 Prop Shaft Seals Bronze Self Aligning Packing Box with Spud Assembly includes the hose, four stainless steel clamps, packing spud, lock nut Right Hand Thread Shaft Size: 1-3/8 inch Hose (Inside Diameter): 2-1/2 Inches Packing Size: 5/16 Inch Length Overall: 7-5/8 Inches Replacement Packing Spud: 00138PBS Replacement Lock Nut: 00138PBN Replacement Hose: 80HO250 Replacement Clamps: 70STBC325 Normalized SKU: 00PB138