Products / Dock Equipment / Seals & Shelters / Dock Seals / Kelley / DSA Series Foam Dock Seal With Adjustable Head Pad DSA Series Foam Dock Seal With Adjustable Head Pad Offering excellent sealing on a full range of trailer heights, the patented Kelley DSA foam dock seal with adjustable head pad features a manually adjustable head pad that allows you to position the head pad on a 48″ vertical track. A standard 18″-high foam head pad is mounted on a heavy-gauge steel pan. Downloads Product Brocheur (.pdf, 2.3 MB) Product Specs (.pdf, 327 kB) Close Contact us Related products ADS-HC Series ArmorGuard High Abrasion Dock Seal with Head CurtainThe Kelley ArmorGuard™ model ADS-HC Dock Seal is designed… ADS-HP Series ArmorGuard High Abrasion Fabric Dock SealThe Kelley ArmorGuard™ model ADS-HP Dock Seal combats cha… DSSL Series L-Shaped Side Pad Foam Dock Seal With Head PadWhether your trailer is 8′ or 8’6″ wide, the Kelley DSSL …