Description of the semi-suspension for boat seat VLS
The VLS semi-suspension sliding boat seat, developed by Scandinavian Seat Suspension Systems – 4S, is designed to provide maximum comfort and shock absorption even in demanding marine conditions. With a seating height of 95 mm (4″), 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.
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 (110–285 lb). The integrated sliding system adds 120 mm (5″) front/rear adjustment, allowing precise seating position for optimal comfort and control.
The VLS semi-suspension seat is robust, quick to install, and designed to meet ABYC H-31 standards for type AO. Its handle can be mounted on either side of the unit, chosen at installation, and is fully accessible while seated.
Specifications
- Product reference: VLS
- Height: 75 mm (3″)
- Seating height: 95 mm (4″)
- Slide adjustment: 120 mm (5″) front/rear
- Adjustable preload: 50–130 kg (110–285 lb)
- Weight: 6 kg (13 lb)
- Deck mount footprint: 330 x 230 mm (13 x 9″)
- Seat mount footprint: 330 x 315 mm (13 x 12.5″)
- Handle spacing: 250 mm (10″) from center line
- Compliance: ABYC H-31 (Type AO)
Installation / Maintenance
Installation
The VLS seat suspension is designed for easy, fast installation. 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.
Maintenance
- Clean regularly with fresh water to remove salt deposits.
- Check mounting fasteners twice per season.
- Lubricate the sliding mechanism and moving parts annually with silicone or lanolin spray.
Our review
✔ Pros
- Compact and robust low-profile design, ideal for small cockpits
- Adjustable preload without tools for different crew weights
- Integrated sliding function for maximum comfort and adaptability
- Meets ABYC H-31 safety standards for marine seating
- Quick and simple installation with versatile mounting options
✘ Cons
- No integrated damping beyond EPDM shim
- Manual adjustment only (no hydraulic, electric or pneumatic assistance)
Conclusion
The VLS semi-suspension sliding 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.
Good to Know
- Designed for use on both leisure and professional motorboats.
- Handle can be positioned left or right at installation to suit cockpit ergonomics.
- Delivered fully assembled, ready for installation.
- Compatible with standard marine seats, seat pedestals and mounts.
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