Exclusive Memoryseal™ seats compensate automatically for wear and fluctuations of pressure and temperature.
Multiple solid cup and cone type PTFE stem seal or graphite packing.
Two-piece self-aligning packing flange and gland.
Metal Seat Trunnion Ball Valve
High Temperature Service
General soft seat ball valve working temperatureis limited uo to 400° F, but metal-seat ball valves are guaranteed for a maximum service temperature of 800° F.
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