{"title":"PSS Shaft Seal Product Catalog","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v2.css\"\u003e\u003cstyle\u003e.mpom .om-tbl.nw td+td{white-space:nowrap}.mpom details.om-dd{position:relative;margin:0}.mpom details.om-dd\u003esummary{list-style:none;cursor:pointer}.mpom details.om-dd\u003esummary::-webkit-details-marker{display:none}.mpom .om-dd-menu{position:absolute;left:0;top:calc(100% + 6px);min-width:100%;width:max-content;max-width:360px;background:#fff;border:1px solid #e3e5e8;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.14);z-index:30;padding:6px}.mpom .om-dd-menu a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-radius:4px;font-size:14px;font-weight:600;color:#2a2b2a!important;text-decoration:none!important}.mpom .om-dd-menu a:hover{background:#f5f6f8}.mpom .om-dd-menu small{font-weight:400;color:#5f6368;white-space:nowrap}\u003c\/style\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag ss\"\u003eCATALOGUE\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eSize and specify a PSS dripless shaft seal: Type A, PRO, Type B and rudder seal sizing tables by shaft and stern tube diameter, technical limits for every model, Type C and flange \u0026amp; bladder systems, maintenance kits, T-Kits and the FlowTrue flow meter.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003ePSS Shaft Seal Product Catalog\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 20 pages · 2.9 MB\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\" style=\"border-bottom:0\"\u003e\n\u003cspan\u003eLanguage\u003c\/span\u003e\u003cb\u003eEnglish\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-acts\"\u003e\n\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/PSS-Shaft-Seal-Product-Catalog.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 4v11\"\u003e\u003c\/path\u003e\u003cpath d=\"m7 10 5 5 5-5\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 20h14\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Download PDF\u003c\/a\u003e\u003ca class=\"om-btn buy\" href=\"\/products\/pss-02-112-212\"\u003eBuy\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-contents\"\u003eContents\u003c\/a\u003e\u003ca href=\"#om-specs\"\u003eModel Specs\u003c\/a\u003e\u003ca href=\"#om-type-a\"\u003eType A Sizes\u003c\/a\u003e\u003ca href=\"#om-pro\"\u003ePRO Sizes\u003c\/a\u003e\u003ca href=\"#om-type-b\"\u003eType B \u0026amp; Rudder\u003c\/a\u003e\u003ca href=\"#om-acc\"\u003eAccessories\u003c\/a\u003e\u003ca href=\"#om-products\"\u003eProducts\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/PSS-Shaft-Seal-Product-Catalog-Cover.png\" alt=\"PSS Shaft Seal Product Catalog\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-contents\"\u003e\n\u003ch2 class=\"om-h\"\u003eWhat's in the Catalogue\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePages\u003c\/th\u003e\n\u003cth\u003eContents\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 - 2\u003c\/td\u003e\n\u003ctd\u003eOverview: how the PSS works, components (bellows, stainless steel rotor, carbon stator), certifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eType A seals, shafts ¾” - 3¾” (20mm - 95mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003ePRO seals, shafts ¾” - 3¾” (20mm - 95mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eType B seals, shafts 4” - 6” (100mm - 150mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eRudder seals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7 - 8\u003c\/td\u003e\n\u003ctd\u003eFlange \u0026amp; bladder system, standard flanges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9 - 10\u003c\/td\u003e\n\u003ctd\u003eType C seals, shafts 6½” - 8” (165mm - 203mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eAccessories: maintenance kits, shaft retention collar, T-Kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eInstallation examples (sailboat, powerboat, replacing a stuffing box)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13 - 14\u003c\/td\u003e\n\u003ctd\u003eOther applications; FAQ's\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15 - 16\u003c\/td\u003e\n\u003ctd\u003eFlowTrue adjustable flow meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"height:16px\"\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eA mechanical face seal between a rotating stainless steel rotor and a stationary carbon stator on a convoluted bellows clamped to the shaft log. The rotor compresses the bellows on installation so the faces stay in contact as the shaft moves fore and aft under propeller thrust.\u003c\/li\u003e\n\u003cli\u003eThe carbon stator is bored slightly larger than the shaft so it floats and absorbs most misalignment and vibration; the rotor seals to the shaft with static o-rings, so it can be fitted on shafts with some wear or pitting.\u003c\/li\u003e\n\u003cli\u003eCarbon stator lapped to 4 helium light bands (0.000044\"), rated to 500° F (+260° C) and cannot melt if the seal runs dry for a short period.\u003c\/li\u003e\n\u003cli\u003eThe PSS Shaft Seal is Bureau Veritas, ABS \u0026amp; RINA certified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-specs\"\u003e\n\u003ch2 class=\"om-h\"\u003eTechnical Specifications by Model\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eShafts\u003c\/th\u003e\n\u003cth\u003eTemperature\u003c\/th\u003e\n\u003cth\u003ePressure\u003c\/th\u003e\n\u003cth\u003eShaft RPM\u003c\/th\u003e\n\u003cth\u003eBellows\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType A\u003c\/td\u003e\n\u003ctd\u003e¾” - 3¾” (20mm - 95mm)\u003c\/td\u003e\n\u003ctd\u003e5°F to 225°F (-15°C to 107°C)\u003c\/td\u003e\n\u003ctd\u003e15 PSI (1 BAR)\u003c\/td\u003e\n\u003ctd\u003e10,000 RPM\u003c\/td\u003e\n\u003ctd\u003eMolded nitrile - PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePRO\u003c\/td\u003e\n\u003ctd\u003e¾” - 3¾” (20mm - 95mm)\u003c\/td\u003e\n\u003ctd\u003e-13°F to 425°F (-25°C to 220°C)\u003c\/td\u003e\n\u003ctd\u003e40 PSI (2.75 BAR)\u003c\/td\u003e\n\u003ctd\u003e10,000 RPM\u003c\/td\u003e\n\u003ctd\u003eMandrel formed silicone \/ fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType B\u003c\/td\u003e\n\u003ctd\u003e4” - 6” (100mm - 150mm)\u003c\/td\u003e\n\u003ctd\u003e-13°F to 425°F (-25°C to 220°C)\u003c\/td\u003e\n\u003ctd\u003e50 PSI (3.5 BAR)\u003c\/td\u003e\n\u003ctd\u003e7,000 RPM\u003c\/td\u003e\n\u003ctd\u003eMandrel formed silicone \/ fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRudder seal\u003c\/td\u003e\n\u003ctd\u003e¾” to 2” (20mm - 55mm)\u003c\/td\u003e\n\u003ctd\u003e5°F to 225°F (-15°C to 107°C)\u003c\/td\u003e\n\u003ctd\u003e15 PSI (1 BAR)\u003c\/td\u003e\n\u003ctd\u003e10,000 RPM\u003c\/td\u003e\n\u003ctd\u003eMolded nitrile - PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType C\u003c\/td\u003e\n\u003ctd\u003e6½” - 8” (165mm - 203mm)\u003c\/td\u003e\n\u003ctd\u003e-13°F to 425°F (-25°C to 220°C)\u003c\/td\u003e\n\u003ctd\u003eWorking up to 25 PSI (1.75 BAR); max 50 PSI (3.5 BAR)\u003c\/td\u003e\n\u003ctd\u003e1,500 RPM\u003c\/td\u003e\n\u003ctd\u003eMandrel formed silicone \/ fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eAll models: carbon graphite lapped to 4 HLB (0.000044\" tolerance); 316 SS \/ Nitronic 50 rotor faced to 9 Ra. A hose barb is recommended for vessels exceeding 10 knots (Type A, PRO).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType A: the most common model, for power and sailboats; satisfies most pleasure boat and smaller commercial applications. 316L rotor held by 2 pairs of set screws at 90 degrees.\u003c\/li\u003e\n\u003cli\u003ePRO: for commercial and demanding, corrosive or high pressure applications; reinforced silicone bellows, 316L rolled-edge non-perforated hose clamps, optional Nitronic 50 rotor.\u003c\/li\u003e\n\u003cli\u003eType B: large commercial boats; Nitronic 50 rotor secured by a large locking collar in front of it; steel hoops in the bellows convolutions.\u003c\/li\u003e\n\u003cli\u003eType C: integrated support for the carbon stator (does not rely on the bellows for weight); weld-on stern tube, flange mounted or flange \u0026amp; bladder configurations in aluminum, steel or 316L.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-type-a\"\u003e\n\u003ch2 class=\"om-h\"\u003eType A Seal Sizes\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eImperial sizes\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Ø (A)\u003c\/th\u003e\n\u003cth\u003eStern tube Ø (B)\u003c\/th\u003e\n\u003cth\u003eApprox. compressed length (C)\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e¾”, ⅞”, 1”, 1⅛”\u003c\/td\u003e\n\u003ctd\u003e1¼”, 1½”, 1¾”, 2”, 2¼”\u003c\/td\u003e\n\u003ctd\u003e6.00” - 6.125”\u003c\/td\u003e\n\u003ctd\u003e2.375”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e¾”, ⅞”, 1”, 1⅛”\u003c\/td\u003e\n\u003ctd\u003e2½”\u003c\/td\u003e\n\u003ctd\u003e6.625”\u003c\/td\u003e\n\u003ctd\u003e2.375”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1¼”, 1⅜”\u003c\/td\u003e\n\u003ctd\u003e1¾”, 2”, 2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e6.625” - 6.75”\u003c\/td\u003e\n\u003ctd\u003e2.875”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1¼”, 1⅜”\u003c\/td\u003e\n\u003ctd\u003e2¾”, 3”, 3¼”, 3½”\u003c\/td\u003e\n\u003ctd\u003e8.125” - 8.313”\u003c\/td\u003e\n\u003ctd\u003e2.875”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1½”, 1⁹⁄₁₆”, 1¾”, 2”\u003c\/td\u003e\n\u003ctd\u003e2”, 2¼”, 2½”, 2¾”, 3”, 3¼”, 3½”\u003c\/td\u003e\n\u003ctd\u003e8.00” - 8.218”\u003c\/td\u003e\n\u003ctd\u003e3.75”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1½”, 1⁹⁄₁₆”, 1¾”, 2”\u003c\/td\u003e\n\u003ctd\u003e3¾”, 4”\u003c\/td\u003e\n\u003ctd\u003e8.405”\u003c\/td\u003e\n\u003ctd\u003e3.75”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e3¼”, 3½”, 3¾”, 4”\u003c\/td\u003e\n\u003ctd\u003e8.625”\u003c\/td\u003e\n\u003ctd\u003e4.20”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e4¼”, 4½”, 4¾”, 5”\u003c\/td\u003e\n\u003ctd\u003e9.25”\u003c\/td\u003e\n\u003ctd\u003e4.20”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2¾”, 3”\u003c\/td\u003e\n\u003ctd\u003e4”, 4¼”, 4½”, 4¾”, 5”\u003c\/td\u003e\n\u003ctd\u003e9.125” - 9.313”\u003c\/td\u003e\n\u003ctd\u003e5.00”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2¾”, 3”\u003c\/td\u003e\n\u003ctd\u003e5¼”, 5½”, 5¾”, 6”\u003c\/td\u003e\n\u003ctd\u003e9.25” - 9.438”\u003c\/td\u003e\n\u003ctd\u003e5.00”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3¼”, 3½”, 3⅝”, 3¾”\u003c\/td\u003e\n\u003ctd\u003e4½”, 4¾”, 5”, 5¼”, 5½”, 5¾”, 6”\u003c\/td\u003e\n\u003ctd\u003e9.675” - 9.863 (as printed)\u003c\/td\u003e\n\u003ctd\u003e6.00”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eMetric sizes (mm)\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Ø (A)\u003c\/th\u003e\n\u003cth\u003eStern tube Ø (B)\u003c\/th\u003e\n\u003cth\u003eApprox. compressed length (C)\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20, 22, 25, 28, 30\u003c\/td\u003e\n\u003ctd\u003e30, 40, 45, 50, 60\u003c\/td\u003e\n\u003ctd\u003e152 - 156\u003c\/td\u003e\n\u003ctd\u003e61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20, 22, 25, 28, 30\u003c\/td\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003ctd\u003e168\u003c\/td\u003e\n\u003ctd\u003e61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32, 35\u003c\/td\u003e\n\u003ctd\u003e45, 50, 60, 65\u003c\/td\u003e\n\u003ctd\u003e168 - 172\u003c\/td\u003e\n\u003ctd\u003e73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32, 35\u003c\/td\u003e\n\u003ctd\u003e70, 80, 85, 90\u003c\/td\u003e\n\u003ctd\u003e206 - 211\u003c\/td\u003e\n\u003ctd\u003e73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38, 40, 45, 50, 55\u003c\/td\u003e\n\u003ctd\u003e50, 60, 65, 70, 75, 80, 85, 90\u003c\/td\u003e\n\u003ctd\u003e203 - 209\u003c\/td\u003e\n\u003ctd\u003e96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38, 40, 45, 50, 55\u003c\/td\u003e\n\u003ctd\u003e95, 100\u003c\/td\u003e\n\u003ctd\u003e213\u003c\/td\u003e\n\u003ctd\u003e96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60, 65\u003c\/td\u003e\n\u003ctd\u003e85, 90, 95, 100\u003c\/td\u003e\n\u003ctd\u003e219 - 224\u003c\/td\u003e\n\u003ctd\u003e107\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60, 65\u003c\/td\u003e\n\u003ctd\u003e110, 115, 120, 125\u003c\/td\u003e\n\u003ctd\u003e235\u003c\/td\u003e\n\u003ctd\u003e107\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70, 75, 80\u003c\/td\u003e\n\u003ctd\u003e100, 110, 115, 120, 125\u003c\/td\u003e\n\u003ctd\u003e231 - 237\u003c\/td\u003e\n\u003ctd\u003e127\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70, 75, 80\u003c\/td\u003e\n\u003ctd\u003e135, 140, 145, 150\u003c\/td\u003e\n\u003ctd\u003e235 - 240\u003c\/td\u003e\n\u003ctd\u003e127\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e85, 90, 95\u003c\/td\u003e\n\u003ctd\u003e115, 120, 125, 130, 135, 140, 145, 150\u003c\/td\u003e\n\u003ctd\u003e245 - 250\u003c\/td\u003e\n\u003ctd\u003e153\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-pro\"\u003e\n\u003ch2 class=\"om-h\"\u003ePRO Seal Sizes\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eImperial sizes\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Ø (A)\u003c\/th\u003e\n\u003cth\u003eStern tube Ø (B)\u003c\/th\u003e\n\u003cth\u003eApprox. compressed length (C)\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e¾”, ⅞”, 1”, 1⅛”\u003c\/td\u003e\n\u003ctd\u003e1¼”, 1½”, 1¾”, 2”, 2¼”\u003c\/td\u003e\n\u003ctd\u003e7.05”\u003c\/td\u003e\n\u003ctd\u003e2.375”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e¾”, ⅞”, 1”, 1⅛”\u003c\/td\u003e\n\u003ctd\u003e2½”\u003c\/td\u003e\n\u003ctd\u003e8.055” - 8.180”\u003c\/td\u003e\n\u003ctd\u003e2.375”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1¼”, 1⅜”\u003c\/td\u003e\n\u003ctd\u003e1¾”, 2”, 2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e8.055” - 8.180”\u003c\/td\u003e\n\u003ctd\u003e2.875”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1¼”, 1⅜”\u003c\/td\u003e\n\u003ctd\u003e2¾”, 3”, 3¼”, 3½”\u003c\/td\u003e\n\u003ctd\u003e9.555” - 9.743”\u003c\/td\u003e\n\u003ctd\u003e2.875”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1½”, 1⁹⁄₁₆”, 1¾”, 2”\u003c\/td\u003e\n\u003ctd\u003e2”, 2¼”, 2½”, 2¾”, 3”, 3¼”, 3½”\u003c\/td\u003e\n\u003ctd\u003e7.842” - 8.3305”\u003c\/td\u003e\n\u003ctd\u003e3.75”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1½”, 1⁹⁄₁₆”, 1¾”, 2”\u003c\/td\u003e\n\u003ctd\u003e3¾”, 4”\u003c\/td\u003e\n\u003ctd\u003e7.842” - 8.3305”\u003c\/td\u003e\n\u003ctd\u003e3.75”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e3¼”, 3½”, 3¾”, 4”\u003c\/td\u003e\n\u003ctd\u003e8.675”\u003c\/td\u003e\n\u003ctd\u003e4.20”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e4¼”, 4½”, 4¾”, 5”\u003c\/td\u003e\n\u003ctd\u003e8.800” - 9.670”\u003c\/td\u003e\n\u003ctd\u003e4.20”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2¾”, 3”\u003c\/td\u003e\n\u003ctd\u003e4”, 4¼”, 4½”, 4¾”, 5”\u003c\/td\u003e\n\u003ctd\u003e8.800” - 9.988”\u003c\/td\u003e\n\u003ctd\u003e5.00”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2¾”, 3”\u003c\/td\u003e\n\u003ctd\u003e5¼”, 5½”, 5¾”, 6”\u003c\/td\u003e\n\u003ctd\u003e8.800” - 9.988”\u003c\/td\u003e\n\u003ctd\u003e5.00”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3¼”, 3½”, 3⅝”, 3¾”\u003c\/td\u003e\n\u003ctd\u003e4½”, 4¾”, 5”, 5¼”, 5½”, 5¾”, 6”\u003c\/td\u003e\n\u003ctd\u003e9.350” - 11.300”\u003c\/td\u003e\n\u003ctd\u003e6.00”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eThe PRO uses the same shaft, stern tube and D groupings as the Type A, with the compressed lengths above. Its metric table lists the same metric shaft, stern tube and D values as the Type A metric table, with the compressed length printed in inches (as printed).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-type-b\"\u003e\n\u003ch2 class=\"om-h\"\u003eType B and Rudder Seal Sizes\u003c\/h2\u003e\n\u003ch3\u003eType B\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eImperial sizes\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Ø (A)\u003c\/th\u003e\n\u003cth\u003eStern tube Ø (B)\u003c\/th\u003e\n\u003cth\u003eApprox. compressed length (C)\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4”, 4¼”\u003c\/td\u003e\n\u003ctd\u003e5½”, 5¾”, 6”, 6¼”, 6½”, 6¾”, 7”\u003c\/td\u003e\n\u003ctd\u003e12.189”\u003c\/td\u003e\n\u003ctd\u003e7”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4½”\u003c\/td\u003e\n\u003ctd\u003e5½”, 5¾”, 6”, 6¼”, 6½”, 6¾”, 7”\u003c\/td\u003e\n\u003ctd\u003e12.189”\u003c\/td\u003e\n\u003ctd\u003e7.875”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4¾”, 5”, 5½”\u003c\/td\u003e\n\u003ctd\u003e6½”, 6¾”, 7”, 7¼”, 7½”, 7¾”, 8”, 8⅝”\u003c\/td\u003e\n\u003ctd\u003e12.742” - 12.920”\u003c\/td\u003e\n\u003ctd\u003e7.875”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6”\u003c\/td\u003e\n\u003ctd\u003e6½”, 6¾”, 7”, 7¼”, 7½”, 7¾”, 8”, 8⅝”\u003c\/td\u003e\n\u003ctd\u003e12.920” - 13.250”\u003c\/td\u003e\n\u003ctd\u003e8.875”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eMetric sizes (mm)\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Ø (A)\u003c\/th\u003e\n\u003cth\u003eStern tube Ø (B)\u003c\/th\u003e\n\u003cth\u003eApprox. compressed length (C)\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100, 105, 110\u003c\/td\u003e\n\u003ctd\u003e140, 145, 150, 160, 165, 170, 180\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e178\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e140, 145, 150, 160, 165, 170, 180\u003c\/td\u003e\n\u003ctd\u003e310\u003c\/td\u003e\n\u003ctd\u003e201\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e120, 130, 140\u003c\/td\u003e\n\u003ctd\u003e165, 170, 180, 185, 190, 195, 205, 220\u003c\/td\u003e\n\u003ctd\u003e315 - 324\u003c\/td\u003e\n\u003ctd\u003e201\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e165, 170, 180, 185, 190, 195, 205, 220\u003c\/td\u003e\n\u003ctd\u003e328 -337\u003c\/td\u003e\n\u003ctd\u003e226\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRudder Seal\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eImperial sizes\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Ø (A)\u003c\/th\u003e\n\u003cth\u003eStern tube Ø (B)\u003c\/th\u003e\n\u003cth\u003eApprox. compressed length (C)\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e¾”, ⅞”, 1”, 1⅛”\u003c\/td\u003e\n\u003ctd\u003e1¾”, 2”, 2¼”\u003c\/td\u003e\n\u003ctd\u003e5”\u003c\/td\u003e\n\u003ctd\u003e2.375”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1¼”, 1⅜”\u003c\/td\u003e\n\u003ctd\u003e2”, 2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e5”\u003c\/td\u003e\n\u003ctd\u003e2.875”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1½”, 1⁹⁄₁₆”, 1¾”\u003c\/td\u003e\n\u003ctd\u003e2”, 2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e5”\u003c\/td\u003e\n\u003ctd\u003e3.75”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2”\u003c\/td\u003e\n\u003ctd\u003e2¼”, 2½”\u003c\/td\u003e\n\u003ctd\u003e5”\u003c\/td\u003e\n\u003ctd\u003e3.75”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eMetric sizes (mm)\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Ø (A)\u003c\/th\u003e\n\u003cth\u003eStern tube Ø (B)\u003c\/th\u003e\n\u003cth\u003eApprox. compressed length (C)\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20, 22, 25, 28, 30\u003c\/td\u003e\n\u003ctd\u003e45, 50, 58\u003c\/td\u003e\n\u003ctd\u003e127\u003c\/td\u003e\n\u003ctd\u003e61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32, 35\u003c\/td\u003e\n\u003ctd\u003e50, 58, 64\u003c\/td\u003e\n\u003ctd\u003e127\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38, 40, 45\u003c\/td\u003e\n\u003ctd\u003e50, 58, 64\u003c\/td\u003e\n\u003ctd\u003e127\u003c\/td\u003e\n\u003ctd\u003e96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50, 55\u003c\/td\u003e\n\u003ctd\u003e58, 64\u003c\/td\u003e\n\u003ctd\u003e127\u003c\/td\u003e\n\u003ctd\u003e96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eRudder seal page: available for 3\/4\" to 6\" (20mm to 150mm) shaft diameters; the table covers shafts ¾\" to 2\" (20mm to 55mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block om-grid2\" id=\"om-acc\"\u003e\n\u003ch2 class=\"om-h\"\u003eAccessories, Flanges and FlowTrue\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eMaintenance Kits \u0026amp; T-Kits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplace the bellows every 6 years (Type A) or 8-10 years (Type B and PRO), together with the rotor o-rings and set screws and the hose clamps; the carbon stator and rotor normally do not need replacing.\u003c\/li\u003e\n\u003cli\u003eType A kit: bellows, set screws, o-rings, 316L hose clamps, clamp jackets, medium strength thread lock, wrench, instructions. Type B \u0026amp; PRO kit: the same with silicone bellows.\u003c\/li\u003e\n\u003cli\u003eSet screws are cup-point and must not be re-used; the maintenance kit includes five new ones.\u003c\/li\u003e\n\u003cli\u003eShaft Retention Collar (SRC): keeps the shaft or rudder in the boat if a coupling fails; shafts 1” to 3” or 25 to 80mm.\u003c\/li\u003e\n\u003cli\u003eT-Kit: T-fitting, 6' of ⅜\" hose and hose clamps, to tee into the raw water discharge hose and feed the seal's hose barb. Measure the inside diameter of the cooling hose before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eT-Kit part #\u003c\/th\u003e\n\u003cth\u003eInside hose Ø\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e07-KIT-012\u003c\/td\u003e\n\u003ctd\u003e½\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e07-KIT-034\u003c\/td\u003e\n\u003ctd\u003e¾\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e07-KIT-100\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e07-KIT-114\u003c\/td\u003e\n\u003ctd\u003e1¼\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e07-KIT-112\u003c\/td\u003e\n\u003ctd\u003e1½\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eWater Feed, Flanges \u0026amp; FlowTrue\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoats that never exceed 12 knots and have no bearing usually need no positive water feed and can be vented: run the vent line at least 2-3 feet above the waterline, as close to the centreline as possible.\u003c\/li\u003e\n\u003cli\u003eAbove 12 knots a positive water supply is required to lubricate and cool the faces. Pick-up examples: after the heat exchanger, after the oil cooler, after the water pump. With a pick-up below the waterline an anti-siphon may be required.\u003c\/li\u003e\n\u003cli\u003eFlanges in 316 stainless, mild steel or aluminum turn a multi-bolt hull flange into a stern tube; the bladder option (nitrile, inflated to about 10 - 15 PSI, stationary shaft only) seals the stern tube for inspection or uncoupling in the water. Bladder replacement recommended every 10 years.\u003c\/li\u003e\n\u003cli\u003eFlowTrue adjustable flow meter: polyacetal body on a 316L base; max. 176°F (80°C); flow 0.25 - 2.0 gallons per min. (1.0 - 8.0 liters per min.); pressure 0 - 360 PSI (0 - 25 BAR); ⅜\" fittings; flow tube can be cleaned without interrupting flow to the seal.\u003c\/li\u003e\n\u003cli\u003eBreak-in about one hour; mist underway after break-in usually means too little compression: add 1\/8\" to 1\/4\" at a time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eNeed a part that isn't listed? \u003ca href=\"\/pages\/contact\"\u003eAsk us to source it\u003c\/a\u003e and quote the part number from the PDF.\u003c\/p\u003e\n\u003ch2 class=\"om-h\" id=\"om-products\"\u003eProducts in this Selection Guide\u003c\/h2\u003e\n\u003c\/div\u003e","products":[{"product_id":"pss-02-212-400","title":"PSS Shaft Seal 2-1\/2\" Shaft 4\" Tube","description":"\u003cp\u003eThe PSS Shaft Seal provides professional-grade dripless performance for large-scale marine applications with 2-1\/2 inch shafts and 4-inch tubes. Built to withstand high-speed rotation and offshore conditions, this seal ensures your vessel remains dry and safe, offering the ultimate in reliability and safety for large yachts and commercial craft.\u003c\/p\u003e","brand":"PSS Shaft Seal","offers":[{"title":"Default Title","offer_id":50874631389490,"sku":"PSS-02-212-400","price":718.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/50874XL_9ede76e6-2a8d-461b-8d37-61e66883ec5d.jpg?v=1769613467"},{"product_id":"pss-02-200-314","title":"PSS Shaft Seal 2\" Shaft 3-1\/4\" Tube","description":"\u003cp\u003eThe PSS Dripless Shaft Seal for 2-inch shafts and 3-1\/4 inch tubes offers a high-performance solution for larger vessels. This mechanical seal uses a carbon-graphite and stainless steel interface to prevent water intrusion, offering a reliable and long-lasting alternative to traditional packing glands for a clean and efficient bilge.\u003c\/p\u003e","brand":"PSS Shaft Seal","offers":[{"title":"Default Title","offer_id":50874631782706,"sku":"PSS-02-200-314","price":630.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/50862XL_de6142b5-ebaa-49ee-ad59-60eaec2930a6.jpg?v=1769613469"},{"product_id":"pss-02-112-212","title":"PSS Shaft Seal 1-1\/2\" Shaft 2-1\/2\" Tube","description":"\u003cp\u003eThe PSS Shaft Seal is the world's leading mechanical face seal, providing a completely dripless solution for 1-1\/2 inch propeller shafts. Designed for 2-1\/2 inch stern tubes, this maintenance-free seal eliminates the mess and danger of water in the bilge, ensuring a safe and dry engine room while reducing wear on your shaft.\u003c\/p\u003e","brand":"PSS Shaft Seal","offers":[{"title":"Default Title","offer_id":50874632765746,"sku":"PSS-02-112-212","price":490.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/50850XL_343b8b22-22f1-4827-8afd-e3dc15a03b8d.jpg?v=1769613474"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/PSS-Shaft-Seal-Product-Catalog-Cover.png?v=1792710662","url":"https:\/\/www.mauripro.com\/collections\/selection-guides-pss-shaft-seal-catalog.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}