Combines isolating and venting in a single valve, eliminating the need for tubing and fittings
Block Valve isolates the downstream process fluids, and the Bleed Valve exhausts upstream fluids enabling instruments to be removed without disturbing the permanent piping installation
The 1/4" NPT vent plug is located 90° to the left and may be removed and replaced with exhaust piping to direct the fluids to a safe location
100% Helium Leak tested to 1x10-4 ml/s for guaranteed performance and reliability
Blow-out proof stem provides a secondary stem seal in the full open position
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 bayonet threads
Slotted spring pin to prevent accidental loosening