Filton Limited is a Private Limited Company formed in 1942. The company was founded by Mr William Murray originally to manufacture conventional leather oil seals for rotary shafts. Since 1942 Filton have been involved in ......Filton Limited is a Private Limited Company formed in 1942. The company was founded by Mr William Murray originally to manufacture conventional leather oil seals for rotary shafts. Since 1942 Filton have been involved in the design, development and manufacture of a wide range of precision made products for industry worldwide. One of Filtons main interests today is in the production of standard and special rotary seals and by using state of the art designs and sophisticated seal face materials Filton can undertake and solve a multitude of complex sealing problems. Multiport Rotary Unions are now common place, and if a suitable design is not already available Filtons design team will consider the required specification and come up with a solution. Quality is paramount and Filtons strict quality assurance procedures include 100% pressure testing of self-contained rotary seals before release to the customer. All tests are recorded and can be traced to the units unique serial number.