NOSHOK 400 Series Needle Valve

The NOSHOK 400 Series Needle Valve is 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability. The blow-out proof stem provides a secondary stem seal in the full open position. The 400 Series has a 10,000 psi pressure rating at 200°F. The FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Grafoil packing optional (certain NPT sizes only). All stem threads are rolled for strength and ease of operation.

Features

• 100% helium leak tested to 1 x 10-4 ml/s
• 10,000 psi pressure rating
• Blow-out proof stem
• FKM o-ring seal and PTFE back-up ring
• 316 stainless steel stems
• 1/4″ NPT up to 1 1/2″ NPT connection options
• Slotted spring pin
• Vinyl dust cap