NOSHOK Needle Valves

Введение продукта

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 Graphite 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)

400 Series Standard, Hard Seat Needle Valves

• 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
• 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  (certain NPT sizes only)
• 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)