Product Design & Development

NOSHOK’s 2-Valve Block & Bleed Needle Valves

By NOSHOK
Friday, June 11, 2010

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Block_and_Bleed
NOSHOK 2070 Series 2-Valve block and bleed hard seat valves combine isolating and venting in a single valve.



NOSHOK’s (Berea, OH) 2-Valve Block & Bleed Needle Valves offer a 10,000 psi pressure rating at 200°F (maximum), and are 100 percent helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability. NOSHOK 2070 Series 2-Valve block and bleed hard seat valves combine isolating and venting in a single valve, eliminating the need for tubing and fittings; and feature:

  • 1/4” NPT vent plug located 90° to the left, may be removed and replaced with exhaust piping to direct the fluids to a safe location.
  • 1/2” NPT connection, M-F, F-F configurations available, right venting optional.
  • Blow-out proof stem provides a secondary stem seal in the full open position.
  • Viton O-Ring and Teflon back-up ring stem seals.
  • All 316 stainless steel stems (even in steel valves) for extended service life.
  • Stem and bonnet 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.
  •  4" standard and 5-3/8" extended length available.
  • Optional panel mount bonnet and panel nuts.
  • Also available in a soft seat version (2170 Series).

For more information visit www.noshok.com

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