Block & bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
6,000 PSI pressure rating @ 200°F
Replaceable Delrin® seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
PCTFE or PEEK soft seat optional
Blow-out 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; PTFE packing optional
All stems are 316 stainless steel
All stem threads are rolled for strength and ease of operation
One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads
Slotted spring pin to prevent accidental loosening
Vinyl dust cap for bonnet and stem (non-packing)
0.090" bleed hole located on the bottom is controlled by a 1/4"-20 UNF-2A bleed screw