Needle valve 500

manualshut-offfor steam

100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 6,000 psi pressure rating @ 200 °F Replaceable Delrin® seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning 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 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) Materials - Zinc-nickel plated steel, electropolished; 316 Stainless Steel Connections - 1/4", 3/8", 1/2", 3/4", 1", 1-1/4" & 1-1/2" NPT Male-female & Female-female configurations Pressure ratings - 6,000 psi @ 200 °F