Needle valve 2070

manualdouble block-and-bleedfor liquid food products and beverages

Combines isolating and venting in a single valve, eliminating the need for tubing and fittings Block valve isolates the downstream process fluids, and the bleed valve exhausts upstream fluids enabling instruments to be removed without disturbing the permanent piping installation The 1/4" NPT vent plug is located 90° to the left and may be removed and replaced with exhaust piping to direct the fluids to a safe location 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 10,000 psi hard seat pressure rating @ 200 °F 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 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 - 1/2" & 1/4" NPT Male-female & Female-female configurations available, right venting optional