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Ball Valves
Type-21a SST Flow Control True Union Ball Valve (1/2″ – 2″)
The Type-21a SST PVC flow control ball valve provides a modified equal percentage flow control, with repeatable results across the span of travel. It is available in ½” – 2” true union sizes and features a precision-machined PVC ball with center provisions to support PTFE seats from zero to 100 percent of capable flow. The characterized ball valve requires directional installation and comes equipped with a flow direction label.
Resources:
Data Sheet
Ideal Applications:
Isolation valves, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation, chemical processing
Position Indication from Closed to Open
Specifications:
Size:
1/2″ – 2″
Bodies Materials:
PVC
Seals Materials:
EPDM/FKM
Body Type:
True Union
- PVC body
- 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
Electric Actuation
- See Type-21/21a ball valve for options