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