Call 770-432-9800

Type-21a SST Flow Control Valve

Introducing the Type-21a Seat Support Technology (SST) flow control ball valve which offers all of the robust elements of the Type-21 ball valve and the ability to precisely control flow.

  • Available PVC body
  • ½” thru 2”
  • EPDM or FKM seals
  • True union design
  • Equal percentage flow characteristics
  • Precision machined flow control ball and seat design
  • SST - Seat Support Technology Degreed indicator plate (manual type)
  • Indicator line on handle (manual type)
  • Flow direction arrow label
  • Handle doubles as carrier adjustment tool
  • ISO 5211 top flange bolt pattern
  • Integrally molded base pad for panel mounting
  • Dual stem O-rings