Controles y Válvulas S.A. de C.V.

Automatización, Medición y Control

You are here: Productos por función Válvulas De aguja 600 Series Block & Bleed Hard Seat Needle Valves

600 Series Block & Bleed Hard Seat Needle Valves

  • These valves allow pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments
  • 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
  • 10,000 psi pressure rating (@ 200°F maximum)
  • Blow-out proof stem provides a secondary stem seal in the full open position
  • Viton® o-ring seal and Teflon® back-up ring below the stem threads to protect from corrosion and galling; Teflon® or Grafoil® packing optional
  • All stem threads 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
  • Bonnet lock pin to prevent accidental loosening
  • Vinyl bonnet and stem dust cap
  • 0.187 inch orifice size
  • Optional panel mount bonnet and panel nuts
  • 0.090 bleed hole located on the bottom is controlled by a 1/4-20 UNF-2B bleed screw
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