{"id":2290,"date":"2023-12-01T15:36:39","date_gmt":"2023-12-01T14:36:39","guid":{"rendered":"https:\/\/nauticspares.com\/product\/sliding-boat-seat-semi-suspension-with-95-mm-4-seating-height-vls\/"},"modified":"2025-09-21T19:01:01","modified_gmt":"2025-09-21T17:01:01","slug":"sliding-boat-seat-semi-suspension-with-95-mm-4-seating-height-vls","status":"publish","type":"product","link":"https:\/\/nauticspares.com\/en\/product\/sliding-boat-seat-semi-suspension-with-95-mm-4-seating-height-vls\/","title":{"rendered":"Sliding boat seat semi-suspension with 95 mm (4″) seating height – VLS"},"content":{"rendered":"
\n

Description of the semi-suspension for boat seat VLS<\/h2>\n

The VLS semi-suspension sliding boat seat<\/strong>, developed by Scandinavian Seat Suspension Systems – 4S<\/strong>, is designed to provide maximum comfort and shock absorption even in demanding marine conditions. With a seating height of 95 mm (4″)<\/strong>, this low-profile model combines strength, ergonomics, and ease of installation. It is used worldwide on a wide range of motorboats and is now available in Europe<\/strong>.<\/p>\n

This compact shock-absorbing unit is ideal for boats with limited space. It can be mounted directly onto the deck or console, or placed between the seat and a standard-size pedestal. Thanks to its adjustable EPDM shim system, the preload can be tuned without tools to suit different crew weights, from 50 to 130 kg (110\u2013285 lb)<\/strong>. The integrated sliding system adds 120 mm (5″) front\/rear adjustment<\/strong>, allowing precise seating position for optimal comfort and control.<\/p>\n

The VLS semi-suspension seat<\/strong> is robust, quick to install, and designed to meet ABYC H-31 standards for type AO<\/strong>. Its handle can be mounted on either side of the unit, chosen at installation, and is fully accessible while seated.<\/p>\n

Specifications<\/h2>\n
    \n
  • Product reference:<\/strong> VLS<\/li>\n
  • Height:<\/strong> 75 mm (3″)<\/li>\n
  • Seating height:<\/strong> 95 mm (4″)<\/li>\n
  • Slide adjustment:<\/strong> 120 mm (5″) front\/rear<\/li>\n
  • Adjustable preload:<\/strong> 50\u2013130 kg (110\u2013285 lb)<\/li>\n
  • Weight:<\/strong> 6 kg (13 lb)<\/li>\n
  • Deck mount footprint:<\/strong> 330 x 230 mm (13 x 9″)<\/li>\n
  • Seat mount footprint:<\/strong> 330 x 315 mm (13 x 12.5″)<\/li>\n
  • Handle spacing:<\/strong> 250 mm (10″) from center line<\/li>\n
  • Compliance:<\/strong> ABYC H-31 (Type AO)<\/li>\n<\/ul>\n

    Installation \/ Maintenance<\/h2>\n

    Installation<\/h3>\n

    The VLS<\/strong> seat suspension is designed for easy, fast installation<\/strong>. It can be mounted directly onto the deck, onto a console, or integrated with a pedestal. The handle can be set on either side depending on your cockpit layout. Installation requires only basic tools and is possible without any special equipment.<\/p>\n

    Maintenance<\/h3>\n
      \n
    • Clean regularly with fresh water to remove salt deposits.<\/li>\n
    • Check mounting fasteners twice per season.<\/li>\n
    • Lubricate the sliding mechanism and moving parts annually with silicone or lanolin spray.<\/li>\n<\/ul>\n
      \n

      Our review<\/h2>\n
      \n
      \n

      \u2714 Pros<\/h3>\n
        \n
      • Compact and robust low-profile design, ideal for small cockpits<\/li>\n
      • Adjustable preload without tools for different crew weights<\/li>\n
      • Integrated sliding function for maximum comfort and adaptability<\/li>\n
      • Meets ABYC H-31 safety standards for marine seating<\/li>\n
      • Quick and simple installation with versatile mounting options<\/li>\n<\/ul>\n<\/div>\n
        \n

        \u2718 Cons<\/h3>\n
          \n
        • No integrated damping beyond EPDM shim<\/li>\n
        • Manual adjustment only (no hydraulic, electric or pneumatic assistance)<\/li>\n<\/ul>\n<\/div>\n
          \n

          Conclusion<\/h3>\n

          The VLS semi-suspension sliding <\/strong>for boat seat is a highly reliable and ergonomic solution for skippers and crews seeking enhanced comfort on board. Its shock-absorbing capacity, combined with a sliding adjustment, makes it a perfect upgrade for any motorboat exposed to rough seas. Compact, easy to install, and maintenance-friendly, it is a durable investment for improving navigation comfort.<\/p>\n<\/div>\n

          \n

          Good to Know<\/h3>\n
            \n
          • Designed for use on both leisure and professional motorboats.<\/li>\n
          • Handle can be positioned left or right at installation to suit cockpit ergonomics.<\/li>\n
          • Delivered fully assembled, ready for installation.<\/li>\n
          • Compatible with standard marine seats, seat pedestals and mounts.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

            This semi-suspension with sliding for boat seats is an ultra-strong, low-profile shock-absorbing unit with a 95 mm (4\u2033) seating height<\/strong>. Designed for boats with limited space, it can be mounted directly on the deck, console, or between the seat and a standard pedestal. The integrated slide offers 120 mm (5\u2033) front\/rear adjustment<\/strong>, while the preload can be tuned without tools<\/strong> using EPDM shims, covering weights from 50 to 130 kg (110\u2013285 lb).<\/p>\n

              \n
            • Quick and easy to install<\/li>\n
            • Handle accessible while seated, left or right mountable<\/li>\n
            • Meets ABYC H-31 standards for type AO<\/li>\n<\/ul>\n","protected":false},"featured_media":994,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[54,154],"product_tag":[166,165],"class_list":{"0":"post-2290","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-seat-suspensions","7":"product_cat-onboard-comfort","8":"product_tag-4s-en","9":"product_tag-shock-mitigation-en","10":"product_shipping_class-large-2","12":"first","13":"instock","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/product\/2290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/comments?post=2290"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/media\/994"}],"wp:attachment":[{"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/media?parent=2290"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/product_brand?post=2290"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/product_cat?post=2290"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nauticspares.com\/en\/wp-json\/wp\/v2\/product_tag?post=2290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}