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100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability- 10,000 psi pressure rating (@ 200°F maximum)
- Blow-out proof stem provides a secondary stem seal in the full open position
- Viton® o-ring seal and Teflon® back-up ring below the stem threads to protect from corrosion and galling; Teflon® or Grafoil® packing optional
- All stem threads 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
- Bonnet lock pin to prevent accidental loosening
- Vinyl bonnet and stem dust cap
- Optional panel mount bonnet and panel nuts