EN ISO 10434:2004

Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries (ISO 10434:2004)

Publication date:   Nov 14, 2006

General information

99.60 Withdrawal effective   Sep 16, 2020

CEN

CEN/TC 69 Industrial valves

European Norm

23.060.30   Gate valves

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Scope

ISO 10434:2004 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. It 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 and 600, corresponding to nominal pipe sizes NPS 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20 and 24. It is applicable to pressure Class designations 150, 300, 600, 900, 1500 and 2500.

Life cycle

NOW

WITHDRAWN
EN ISO 10434:2004
99.60 Withdrawal effective
Sep 16, 2020

REVISED BY

PUBLISHED
EN ISO 10434:2020