Process Valves > Ball Valves > A-T Controls Series 55

A-T Controls Series 55 Three-Piece Direct Mount Ball Valves

The Triac A-T Controls Series 55 is a three-piece, full port ball valve with an investment cast body and end.

The Series 55 valves use a live-loaded packing system of Bellville washers and "V" ring packing for superior leak protection. They have an ISO 5211 mounting pad and are available in 316 stainless steel or WCB, in sizes 1/4" to 4".

The Series 55 is easy to automate! See pneumatic and electric automated datasheets for pre-sized assemblies.

Key Specifications

  • 3 piece design; full port
  • Sizes: 1/4" to 4"
  • Available in 316 stainless steel and WCB
  • Pressure rating: 800 and 1000 PSI depending on valve size
  • ISO 5211 mounting pad
  • Works with a pneumatic or electric actuator

Supporting Documentation
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    • Type
    • Size
    • Document Name
    • Lesman Catalog Process Valves
    • 7.0MB
    • Lesman Catalog Section: Process Valves
    • A-T Controls Series 55 Three-Piece Full Port Ball Valves Specification Datasheet
    • 164 KB
    • A-T Controls Series 55 Three-Piece Ball Valves Specification Datasheet
    • A-T Controls Series 55 Three-Piece Full Port Ball Valves User Manual
    • 159 KB
    • A-T Controls Series 55 Three-Piece Direct Mount Ball Valves User Manual
    • A-T Controls Series 55 Double Acting Automation Specification Datasheet
    • 87 KB
    • Series 55 Double Acting Automation Specification Datasheet
    • A-T Controls Series 55 Spring Return Automation Specification Datasheet
    • 86 KB
    • Series 55 Spring Return Automation Specification Datasheet
    •  A-T Controls Series 55 Electric Automation Specification Datasheet
    • 178 KB
    • Series 55 Electric Automation Specification Datasheet