Norm

NEN-EN-ISO 10434:2002 Ontw. en

Stalen schuifafsluiters met kap met boutverbinding voor aardolie- en aardgasindustrie

  • Deze norm is ingetrokken sinds 01-08-2004

31,83

Over deze norm

Status Ingetrokken
Aantal pagina's 36
Gepubliceerd op 01-09-2002
Taal Engels
This International Standard specifies the requirements for a heavy duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion , erosion and other service conditions would indicate a need for full port openings, heavy wall sections and large stem diameters.This specification sets forth the requirements for the following gate valve features: bolted bonnet; outside screw and yoke; rising stems; nonrising handwheels; single or double gate; wedge or parallel seating; metallic seating surfaces; flanged or butt-welding ends.It covers valves of the nominal sizes DN: 25, 32, 40, 50, 65, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500, 600; corresponding to nominal pipe sizes NPS: 1, 1¼; 1½; 2; 2½; 3; 4; 6; 8; 10; 12; 14; 16; 18; 20; 24; and applies for pressure Class designations: 150; 300; 600; 900; 1500; 2500.

Details

ICS-code 75.180.20
Nederlandse titel Stalen schuifafsluiters met kap met boutverbinding voor aardolie- en aardgasindustrie
Engelse titel Bolted bonnet steel gate valves for petroleum and natural gas industries
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