Advanced Seals and SVS Ltd can supply a large range of seals Delivering high quality, high performance sealing solutions, cost effectively and on time to our customers.Our first choice in seal supply is always Hallite Seals but we can also supply CNC machined seals, which gives us the advantage of being able to cater for the odd sizes and profiles that our customers can sometimes require.Seal supply and manufacturer of a wide range of Seals. Suppliers of Hallite hydraulic and pneumatic seals and seal kits.