ISO 10434:2004

Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries

Publication date:   Jul 16, 2004

95.99 Withdrawal of Standard   Aug 24, 2020

General information

95.99 Withdrawal of Standard   Aug 24, 2020

ISO

ISO/TC 153 Valves

International Standard

75.180.20   Processing equipment

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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

PREVIOUSLY

WITHDRAWN
ISO 10434:1998

NOW

WITHDRAWN
ISO 10434:2004
95.99 Withdrawal of Standard
Aug 24, 2020

REVISED BY

ABANDON
ISO/CD 10434

PUBLISHED
ISO 10434:2020