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

29,64 35,86 Incl BTW

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 International Standard 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; 11/4; 11/2; 2; 21/2; 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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