{"id":10779,"date":"2018-03-29T13:34:20","date_gmt":"2018-03-29T13:34:20","guid":{"rendered":"https:\/\/www.seaviewprogress.com\/pss-shaft-seal\/marine-pss\/"},"modified":"2026-08-19T22:48:02","modified_gmt":"2026-08-19T22:48:02","slug":"marine","status":"publish","type":"page","link":"https:\/\/www.seaviewprogress.com\/en\/pss\/marine\/","title":{"rendered":"PSS Mechanical Shaft Seal"},"content":{"rendered":"\n<div class=\"et_pb_section_0 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_0 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_0 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_menu_0 et_pb_menu et_pb_menu--with-logo et_pb_menu--style-inline_centered_logo et_dropdown_animation_fade et_pb_bg_layout_light et_pb_text_align_right-tablet et_pb_text_align_right-phone et_pb_module et_flex_module preset--module--divi-menu--44530bc2-077a-4d62-9ef6-1ed6364828d7\"><div class=\"et_pb_menu_inner_container et_flex_module\"><div class=\"et_pb_menu__logo-wrap\"><div class=\"et_pb_menu__logo\"><a href=\"https:\/\/www.seaviewprogress.com\/pss\/marine\/\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seal-blue-logo.jpg\" width=\"265\" height=\"65\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seal-blue-logo.jpg 265w\" sizes=\"(max-width: 265px) 100vw, 265px\" class=\"wp-image-65695\" \/><\/a><\/div><\/div><div class=\"et_pb_menu__wrap\"><div class=\"et_pb_menu__menu\"><nav class=\"et-menu-nav\"><ul id=\"menu-menu-pss-anglais\" class=\"et-menu nav downwards\"><li id=\"menu-item-10784\" class=\"et_pb_menu_page_id-10779 menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-10784\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/pss\/marine\/\">MARINE PSS<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-66147\" class=\"et_pb_menu_page_id-10430 menu-item menu-item-type-post_type menu-item-object-product menu-item-66147\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/webstore\/pss-shaft-seal\/type-a\/\">PSS Type A seal<\/a><\/li>\n\t<li id=\"menu-item-66145\" class=\"et_pb_menu_page_id-12057 menu-item menu-item-type-post_type menu-item-object-product menu-item-66145\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/webstore\/pss-shaft-seal\/type-pro\/\">PSS Type PRO seal<\/a><\/li>\n\t<li id=\"menu-item-66146\" class=\"et_pb_menu_page_id-11169 menu-item menu-item-type-post_type menu-item-object-product menu-item-66146\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/webstore\/pss-shaft-seal\/type-b\/\">PSS Type B seal<\/a><\/li>\n\t<li id=\"menu-item-66148\" class=\"et_pb_menu_page_id-19958 menu-item menu-item-type-post_type menu-item-object-page menu-item-66148\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/pss\/marine\/type-c\/\">PSS Type C Seal<\/a><\/li>\n\t<li id=\"menu-item-10797\" class=\"et_pb_menu_page_id-10793 menu-item menu-item-type-post_type menu-item-object-page menu-item-10797\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/pss\/marine\/rudder-post-seals\/\">Rudder Post Seals<\/a><\/li>\n\t<li id=\"menu-item-10798\" class=\"et_pb_menu_page_id-10788 menu-item menu-item-type-post_type menu-item-object-page menu-item-10798\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/pss\/flange-bladder-system\/\">Flange &amp; Bladder System<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-20328\" class=\"et_pb_menu_page_id-20328 menu-item menu-item-type-custom menu-item-object-custom menu-item-20328\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/pss\/marine\/#pss-dealers\">Dealers<\/a><\/li>\n<li id=\"menu-item-10772\" class=\"et_pb_menu_page_id-10772 menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-10772\"><a href=\"#\">ACCESSORIES<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-10773\" class=\"et_pb_menu_page_id-9560 menu-item menu-item-type-post_type menu-item-object-product menu-item-10773\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/webstore\/pss-shaft-seal\/maintenance-kit\/\">PSS Maintenance KIT<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-11621\" class=\"et_pb_menu_page_id-10791 menu-item menu-item-type-post_type menu-item-object-page menu-item-11621\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/pss\/industrial\/\">Industrial PSS<\/a><\/li>\n<li id=\"menu-item-10774\" class=\"et_pb_menu_page_id-10774 menu-item menu-item-type-custom menu-item-object-custom menu-item-10774\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/pss\/marine\/#pss-videos\">VIDEOS<\/a><\/li>\n<li id=\"menu-item-10775\" class=\"et_pb_menu_page_id-834 menu-item menu-item-type-taxonomy menu-item-object-product_cat menu-item-10775\"><a href=\"https:\/\/www.seaviewprogress.com\/en\/product-category\/pss-shaft-seal\/\">SHOP<\/a><\/li>\n<\/ul><\/nav><\/div><div class=\"et_mobile_nav_menu\"><div class=\"mobile_nav closed\"><span class=\"mobile_menu_bar\"><\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_1 et_pb_section et_section_regular et_block_section section_has_divider et_pb_bottom_divider\"><div class=\"et_pb_row_1 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_1 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_text_multi_heading_0 dnxte_next_text_multi_heading et_pb_module et_flex_module preset--module--dnxte-next-text-multi-heading--default\"><div class=\"wrapper \"><h1 class=\"header-level\"><span class=\"dnxt-text-one  \"><span class=\"dnxt-gradient-text-color-1\">Joint M\u00e9canique PSS<\/span><\/span><span class=\"dnxt-text-two \"><span class=\"dnxt-gradient-text-color-2\">pour arbre d\u2019h\u00e9lice<\/span><\/span><span class=\"dnxt-text-three \"><\/span><\/h1><\/div><\/div><\/div><\/div><div class=\"et_pb_row_2 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_2 et_pb_column et_pb_column_1_2 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>PSS seals, known for their robustness and reliability, are key elements in boat mechanics. They guarantee a perfect seal and eliminate the risk of leaks, particularly on the propeller shaft.  <\/p>\n<p><strong>How do they work?<\/strong><br \/>The principle of PSS seals is based on a mechanical face seal. The seal is achieved through the contact surface between the flat faces of a rotating stainless steel rotor and a stationary carbon ring. This system, where the seal is ensured by a rotating stainless steel ring rubbing against a stationary carbon ring, offers optimal safety.  <\/p>\n<p><strong>Why choose a PSS seal?<\/strong><br \/>The advantages are numerous:<\/p>\n<ul>\n<li>They offer a reliable and durable solution for both powerboats and sailboats.<\/li>\n<li>The PSS shaft seal promises zero leaks for the propeller shaft.<\/li>\n<li>The choice of seal depends on your propeller shaft diameter, ensuring perfect compatibility.<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"et_pb_column_3 et_pb_column et_pb_column_1_2 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_image_0 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme.png\" width=\"2042\" height=\"1494\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme.png 2042w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme-300x219.png 300w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme-1024x749.png 1024w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme-768x562.png 768w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme-1536x1124.png 1536w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme-1080x790.png 1080w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme-256x187.png 256w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme-1170x856.png 1170w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/pss-shaft-seals-gamme-510x373.png 510w\" sizes=\"(max-width: 2042px) 100vw, 2042px\" class=\"wp-image-65696\" alt=\"PSS Seal Range\" title=\"pss-shaft-seals-range\" \/><\/span><\/div><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_0_wrapper preset--module--divi-button--cc756aa0-1260-4069-8dee-3c5ca288313d_wrapper\"><a class=\"et_pb_button_0 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-button--cc756aa0-1260-4069-8dee-3c5ca288313d\" href=\"https:\/\/www.seaviewprogress.com\/categorie-produit\/pss\/\" target=\"_blank\">Go to Shop<\/a><\/div><\/div><\/div><div class=\"et_pb_bottom_inside_divider et-no-transition\"><\/div><\/div><div class=\"et_pb_section_2 et_pb_section et_section_regular et_block_section\" id=\"pss-models\"><div class=\"et_pb_row_3 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_4 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_1 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2 style=\"text-align: center;\">PSS Seal Models<\/h2>\n<\/div><\/div><\/div><\/div><div class=\"et_pb_row_4 et_pb_row et_pb_row_6col et_pb_equal_columns et_block_row et_block_row_6col preset--module--divi-row--default\"><div class=\"et_pb_column_5 et_pb_column et_pb_column_1_6 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_0 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-type-a-shaft-seal-category-img-2.jpg\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-type-a-shaft-seal-category-img-2.jpg 150w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-type-a-shaft-seal-category-img-2-100x100.jpg 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" class=\"wp-image-9133\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">PSS Type A<\/h3><\/div><div class=\"dnxt-blurb-description\"><p>Pour arbre de 20mm \u00e0 95mm (3\/4\" \u00e0 3-3\/4\")<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_column_6 et_pb_column et_pb_column_1_6 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_1 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2019\/10\/pss-pro-seal-gamme-1.jpg\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2019\/10\/pss-pro-seal-gamme-1.jpg 150w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2019\/10\/pss-pro-seal-gamme-1-100x100.jpg 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" class=\"wp-image-20018\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">PSS Type PRO<\/h3><\/div><div class=\"dnxt-blurb-description\"><p><span>Pour arbre de 20mm \u00e0 95mm <\/span><span>(3\/4\" \u00e0 3-3\/4\")<\/span><\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_column_7 et_pb_column et_pb_column_1_6 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_2 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-type-b-shaft-seal-category-img-2.jpg\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-type-b-shaft-seal-category-img-2.jpg 150w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-type-b-shaft-seal-category-img-2-100x100.jpg 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" class=\"wp-image-9135\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">PSS Type B<\/h3><\/div><div class=\"dnxt-blurb-description\"><p>Pour arbre de 100mm \u00e0 150mm (4\" \u00e0 6\")<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_column_8 et_pb_column et_pb_column_1_6 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_3 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2019\/10\/pss-type-c-gamme.jpg\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2019\/10\/pss-type-c-gamme.jpg 150w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2019\/10\/pss-type-c-gamme-100x100.jpg 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" class=\"wp-image-20019\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">PSS Type C<\/h3><\/div><div class=\"dnxt-blurb-description\"><p>Pour arbre de 165 mm \u00e0 205mm (6-1\/2\" \u00e0 8\")<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_column_9 et_pb_column et_pb_column_1_6 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_4 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-rudder-post-seal-category-img-2.jpg\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-rudder-post-seal-category-img-2.jpg 150w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-rudder-post-seal-category-img-2-100x100.jpg 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" class=\"wp-image-9127\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">Joint pour m\u00e8che de safran<\/h3><\/div><div class=\"dnxt-blurb-description\"><p>Pour arbre de 32mm \u00e0 150mm (1-1\/4\" \u00e0 6\")<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_column_10 et_pb_column et_pb_column_1_6 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_5 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/flange-bladder-category-img-2.jpg\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/flange-bladder-category-img-2.jpg 150w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/flange-bladder-category-img-2-100x100.jpg 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" class=\"wp-image-9141\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">Bride d'\u00e9tambot<\/h3><\/div><div class=\"dnxt-blurb-description\"><p>Pour arbre de 63.5mm \u00e0 150mm (2-1\/2\" \u00e0 6\")<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_3 et_pb_section et_section_regular et_block_section\" id=\"pss-fonctionnement\"><div class=\"et_pb_row_5 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_11 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_2 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2 style=\"text-align: center;\">How does a PSS mechanical seal work?<\/h2>\n<h2 style=\"text-align: center;\"><\/h2>\n<p style=\"text-align: center;\">PSS seals are <strong>mechanical seals<\/strong>. The seal is created by the contact surface between the flat faces of a stainless steel rotor, rotating with the shaft, and the stationary carbon stator. The carbon is held to the stern tube by means of a nitrile (EPDM) bellow and stainless steel clamps. The stainless steel rotor is installed against the carbon and compresses the bellow. It is secured to the shaft with set screws.<br \/>This compression maintains the two faces in contact and compensates for engine movements due to propeller thrust. The carbon is bored to a diameter larger than the shaft, allowing it to float around the shaft and absorb any vibrations from the shaft line. The stainless steel rotor's seal is ensured by two O-rings inserted into the rotor. They rotate with the propeller shaft and therefore cause no wear or friction on the shaft, unlike lip seals which require a shaft with a perfect surface for installation and deteriorate it over time with friction.<br \/>PSS seals can be mounted on shafts where the surface is slightly altered by wear, slightly pitted, or corroded. Unlike other solutions like stuffing boxes or lip seals, PSS seals can withstand a short interruption in cooling or use in silty waters without suffering damage.        <\/p>\n<\/div><\/div><div class=\"et_pb_image_1 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement.png\" width=\"1823\" height=\"624\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement.png 1823w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement-300x103.png 300w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement-1024x351.png 1024w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement-768x263.png 768w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement-1536x526.png 1536w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement-280x96.png 280w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement-1170x400.png 1170w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/04\/pss-joint-m\u00e9canique-fonctionnement-510x175.png 510w\" sizes=\"(max-width: 1823px) 100vw, 1823px\" class=\"wp-image-9366\" alt=\"Operation of PSS mechanical seals\" title=\"pss-mechanical-seal-operation\" \/><\/span><\/div><\/div><\/div><\/div><div class=\"et_pb_section_4 et_pb_section et_section_regular et_block_section\" id=\"pss-composants\"><div class=\"et_pb_row_6 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_12 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_3 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2 style=\"text-align: center;\">PSS Seal Components<\/h2>\n<\/div><\/div><\/div><\/div><div class=\"et_pb_row_7 et_pb_row et_pb_equal_columns et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_13 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_4 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><strong>Stainless Steel Stop: Rotor<\/strong><br \/>The stop, composed of a Stainless Steel (316L) piece, slides onto the shaft and is held by 2 set screws positioned at 90\u00b0 to each other to ensure optimal hold.<\/p>\n<\/div><\/div><div class=\"et_pb_text_5 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><strong>Bellow<\/strong><br \/>The design of the bellow ensures good contact between the rotor and the carbon and absorbs shaft vibrations and movement. It is held in place by 4 stainless steel clamps. <\/p>\n<\/div><\/div><\/div><div class=\"et_pb_column_14 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_hotspot_parent_0 dnxte_hotspot_parent et_pb_module et_flex_module preset--module--dnxte-hotspot-parent--default\"><div class=\"dnxte-hostpot-hotspots-wrapper\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/pss-type-a-seal-main-img.jpg\" alt=\"\" class=\"dnxte-hostpot-hotspots-minimage\" \/><div class=\"dnxte-hostpot-hotspots-container\"><div class=\"dnxte_hotspot_child_0 dnxte_hotspot_child has-hotspot-child et_pb_module preset--module--dnxte-hotspot-child--default\"><div class=\"dnxte_tooltip_child\"><div class=\"dnxte-hostpot-hotspot\"><div class=\"dnxte-hostpot-tooltip\"><div class=\"dnxte-hostpot-tooltip-item tooltip-left\"><div class=\"dnxte-hostpot-tooltip-content\"><div class=\"dnxte-hostpot-hotspots__wrapper\"><span class=\"et-pb-icon  dnxte-hotspot_icon\"><\/span><\/div><\/div><div class=\"dnxte-hostpot-tooltip-text\"><div class=\"dnxte-tooltip-content-container\"><div class=\"dnxte_tooltip_text\">Rotor<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"dnxte_hotspot_child_1 dnxte_hotspot_child has-hotspot-child et_pb_module preset--module--dnxte-hotspot-child--default\"><div class=\"dnxte_tooltip_child\"><div class=\"dnxte-hostpot-hotspot\"><div class=\"dnxte-hostpot-tooltip\"><div class=\"dnxte-hostpot-tooltip-item tooltip-left\"><div class=\"dnxte-hostpot-tooltip-content\"><div class=\"dnxte-hostpot-hotspots__wrapper\"><span class=\"et-pb-icon  dnxte-hotspot_icon\"><\/span><\/div><\/div><div class=\"dnxte-hostpot-tooltip-text\"><div class=\"dnxte-tooltip-content-container\"><div class=\"dnxte_tooltip_text\">Carbon Stator<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"dnxte_hotspot_child_2 dnxte_hotspot_child has-hotspot-child et_pb_module preset--module--dnxte-hotspot-child--default\"><div class=\"dnxte_tooltip_child\"><div class=\"dnxte-hostpot-hotspot\"><div class=\"dnxte-hostpot-tooltip\"><div class=\"dnxte-hostpot-tooltip-item tooltip-left\"><div class=\"dnxte-hostpot-tooltip-content\"><div class=\"dnxte-hostpot-hotspots__wrapper\"><span class=\"et-pb-icon  dnxte-hotspot_icon\"><\/span><\/div><\/div><div class=\"dnxte-hostpot-tooltip-text\"><div class=\"dnxte-tooltip-content-container\"><div class=\"dnxte_tooltip_text\">Bellow<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_column_15 et_pb_column et_pb_column_1_3 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_6 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><strong>Carbon Ring: Stator<\/strong><br \/>The quality of the carbon used in PSS composition allows use up to temperatures of 260\u00b0C \/ 500\u00b0 F, and allows, unlike lip seals, to run dry. The high density of this carbon also guarantees longevity and resistance to friction. We have recorded PSS usage on commercial vessels exceeding 40,000 engine hours (4 years continuously) with the original components. In all cases and under normal use, the Carbon should never need to be replaced.   <\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_5 et_pb_section et_section_regular et_block_section\" id=\"pss-certificats\"><div class=\"et_pb_row_8 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_16 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_7 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2 style=\"text-align: center;\">PSS Seal Certifications<\/h2>\n<p style=\"text-align: center;\">PSS seals are approved and certified by RINA, Bureau Veritas, and ABS<\/p>\n<\/div><\/div><\/div><\/div><div class=\"et_pb_row_9 et_pb_row et_pb_equal_columns et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_17 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_6 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/RINA_logo.svg\" class=\"wp-image-65699\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">RINA<\/h3><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_column_18 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_7 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification.png\" width=\"1042\" height=\"1043\" srcset=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification.png 1042w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification-300x300.png 300w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification-1024x1024.png 1024w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification-150x150.png 150w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification-768x769.png 768w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification-187x187.png 187w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification-400x400.png 400w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification-510x510.png 510w, https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2018\/03\/bureau-veritas-certification-100x100.png 100w\" sizes=\"(max-width: 1042px) 100vw, 1042px\" class=\"wp-image-9170\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">BUREAU VERITAS<\/h3><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_column_19 et_pb_column et_pb_column_1_3 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"dnxte_next_blurb_8 dnxte_next_blurb et_pb_module et_flex_module\"><div class=\"example_static_module__inner\"><div class=\"dnxt-blurb-wrapper-outer  dnxt-hover-hang\" style=\"\"><div class=\"dnxt-blurb-wrapper dnxt-blurb-wrapper-one_image_placement_top-center\"><div class=\"dnxt-blurb-image dnxt-blurb-image_image_placement_top-center\"><img decoding=\"async\" src=\"https:\/\/www.seaviewprogress.com\/wp-content\/uploads\/2026\/07\/abs-logo.svg\" class=\"wp-image-65700\" \/><\/div><div class=\"\"><div class=\"dnxt-blurb-container\"><div class=\"dnxt-blurb-heading-wrapper\"><h3 class=\"dnxt-blurb-heading\">ABS<\/h3><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_6 et_pb_section et_section_regular et_block_section\" id=\"pss-videos\"><div class=\"et_pb_row_10 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_20 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_8 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2 style=\"text-align: center;\">Videos<\/h2>\n<\/div><\/div><\/div><\/div><div class=\"et_pb_row_11 et_pb_row et_pb_equal_columns et_pb_gutters2 et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_21 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_video_0 et_pb_video et_pb_module et_block_module\"><div class=\"et_pb_video_box\"><iframe title=\"What is a PSS Shaft Seal?\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/a5SlEfpiaJ4?feature=oembed&enablejsapi=1\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div><\/div><\/div><div class=\"et_pb_column_22 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_video_1 et_pb_video et_pb_module et_block_module\"><div class=\"et_pb_video_box\"><iframe title=\"PSS Shaft Seal: Removing the shaft coupling\" width=\"1080\" height=\"810\" src=\"https:\/\/www.youtube.com\/embed\/aGQmodyahUM?feature=oembed&enablejsapi=1\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div><\/div><\/div><div class=\"et_pb_column_23 et_pb_column et_pb_column_1_3 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_video_2 et_pb_video et_pb_module et_block_module\"><div class=\"et_pb_video_box\"><iframe title=\"PSS FAQ&amp;apos;s\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/akeSmju3yiY?feature=oembed&enablejsapi=1\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_7 et_pb_section et_section_regular et_block_section\" id=\"pss-dealers\"><div class=\"et_pb_row_12 et_pb_row et_block_row preset--module--divi-row--default\"><div class=\"et_pb_column_24 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_9 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2 style=\"text-align: center;\">Find a PSS Dealer<\/h2>\n<p style=\"text-align: center;\">PSS mechanical shaft seals are available worldwide.<br \/>Use the map below to find the nearest dealer to you.<\/p>\n<\/div><\/div><div class=\"et_pb_code_0 et_pb_code et_pb_module\"><div class=\"et_pb_code_inner\"><iframe src=\"https:\/\/www.google.com\/maps\/d\/embed?mid=1SZDf7hyHlBkG26h6QV0S4vUsAdI&ehbc=2E312F\" width=\"100%\" height=\"480\"><\/iframe><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":6,"featured_media":56382,"parent":4390,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-10779","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PSS Mechanical Shaft Seal - Seaview Progress<\/title>\n<meta name=\"description\" content=\"Discover the PSS mechanical seal to ensure the watertightness of the propeller shaft for sailboats, powerboats, and commercial vessels.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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