Designed for use with differential pressure transmitters incorporating two isolation valves and an equalizing valve in differential pressure measurement
100% helium leak tested to 1 x 10-4 ml/s for performance and reliability
Blowout-proof stem provides a secondary stem seal in the full open position
FKM O-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling
All stem threads are rolled for strength and ease of operation
1-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads
Patented body-to-bonnet, metal-to-metal seal is designed to significantly increase the pressure range of the valve
Vinyl dust cap for bonnet and stem
Hard seat
Applications: For use with differential pressure transmitters