Available in block, single flange, or double flange connection for remote or direct installation
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 guaranteed performance and reliability
3010 Series hard seat valves have 10,000 psi pressure rating @ 200 ?F
3110 Series soft seat valves have 6,000 psi pressure rating @ 200 ?F
3110 Series soft seat valves also feature a replaceable Delrin? seat, and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
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 or Graphite 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 caps for bonnets and stems (non-packing)