200 Series Multiport, Hard Seat Needle Valves feature a multiport design that reduces the number of gauge and other instrument connections to permanent piping installations, decreasing possible leak paths. Optional bleed plugs further allow pressure to be bled off without disturbing the permanent piping installation
Description
Features
- 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
- 10,000 psi pressure rating @ 200 °F
- 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 Grafoil® 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)
