Abstract 

Specifies the requirements for valves of nominal sizes DN 10 up to DN 1 000 and nominal pressures PN 10 up to PN 100 having the following features: bolted bonnet, outside screw and yoke, inside screw (alternative for PN 10, 16, 20, 25 and 40 only), single or double obturator, wedge or parallel seating, with or without non-metallic obturator or seat seals, flanged or butt-welding ends.


General information

  • Status :  Withdrawn
    Publication date : 1992-06
  • Edition : 1
    Number of pages : 12
  • :
    ISO/TC 153
    Valves
  • 23.060.30
    Gate valves

Life cycle


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