NOSHOK, Inc. 500 Series Soft Seat Needle Valve 50402

100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 6,000 psi pressure rating (@ 200°F maximum) Replaceable Delrin® seat and straight through porting for bi-directional, high capacity flow and easy roddable cleaning 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