Gate Valve 30NZH41NZH


  1. Flywheel: malleable iron
  2. Sleeve: brass
  3. Gland packing: graphite
  4. Bolt/nut: 12X18H9
  5. Stock: 20X13
  6. Wedge seal: 12X18H9+20X13
  7. Wedge: 12X18H9
  8. Case: 12X18H9


  • Type: Gate valve with rising spindle 30nzh41nzh.
  • Working medium: Liquid and gaseous hydrocarbons, oil, oil products, natural gas, gas condensate, water, steam and other liquids and gases that are non-aggressive to the materials used in the valve.
  • The corrosion rate of body parts is not more than 0.1 mm/year.
  • Working environment temperature: from minus 60 °C to plus 565 °C, ambient air temperature not lower than minus 60 °C.
  • Conditional working pressure: PN 1.6 MPa (16 kgf/cm2).
  • Accession to the pipeline: flange, isp. B, GOST 33259-2015
  • Material of the main parts: 12X18H9.
  • Tightness class: A according to GOST 9544-2015.
  • Management: manual (flywheel).
  • Mounting position: any.
  • Climatic version: UHL1 in accordance with GOST 15150-69.

Gate valve 30nzh41nzh stainless flange is equipped with a wedge locking mechanism, the transfer of which to the closed position and back is carried out by actuating a sliding spindle equipped with a manual drive. It is installed on pipelines of industrial sectors, and is designed to shut off the working media of water, steam, oil and gas mixtures that are non-aggressive to the body elements of the valve.