- Integral vented body design allows installation per ASME B31.1 PWHT requirements
- Standard four-year warranty; one-year warranty on high-cycle applications (1 cycle per day, 365 days per year)
- Patented design
Ball and Seats
- Mate lapped for 100% contact
- Ensures absolute shutoff
- Corrosion resistant
- Seats are protected from flow in open / closed position
Coating
- Withstands thermal shock
- Handles high cycling applications
- High strain to fracture
- Maintains strength of base metal
- Erosion resistant
Rigid Mounting Bracket
Designed to support actuator in any position
Stem & Packing Arrangement
- Live loading
- Quarter-turn non-rising stem does not deteriorate packing
- Extensive stuffing box
- Dual anti-extrusion rings keep packing in place
Mechanical Precision Stop
- Prevents turning ball 180°
- Eliminates misalignment
Seat Spring
Assisted by line pressure, provides a constant mechanical force on ball against seat to maintain seal