- Integral body design, flange or butt welded preferable
- Double Block and Bleed
- High strength integral stem design, precisely guaranteed ball location
- Anti-blow-out stem design
- 2 sets of O’ring seal plus fire safe design on stem, greatly avoided leakage
- Anti corrosion, low friction coefficient bearing
- Bi-direction seal
- High performance Nylon and PEEK seat, grantees sealing under low pressure
- Sealant injection can guarantee the seal of the stem and seat under emergency
- Adopt unique adjusting seat ring design(seat ring is able to move forward & backward), enables to change stem, ball, seat ring, and seal on-line.
- Low torque, easy operation
- Anti static design
- Equipped with mounting plate, convenient in mounting actuator anytime
- Fire safe, when seat is destroyed in fire, the metal seat ring will contact the ball to provide sealing
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