NOSHOK - Model 100 Series Mini -Hard Seat Needle Valves

Compact size valve built for maximum durability and robust performance in the toughest applications. 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability. Hard seat valves have a maximum pressure of 10,000 psi for stainless steel and steel models; 6,000 psi for brass. Available in zinc-nickel plated steel, electropolished stainless steel, and brass. 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. Patented body-to-bonnet, metal-to-metal seal is designed to significantly increase the pressure range of the valve (U.S. Patent 7,758,014).