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Homepage>ISO Standards>ISO 10434 Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries
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download between 0-24 hoursReleased: 2020
ISO 10434 Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries

ISO 10434

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

CURRENCY
LANGUAGE
English
French
Standard´s number:ISO 10434
Pages:38
Edition:3
Released:2020
DESCRIPTION

ISO 10434


This document 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 can indicate a need for full port openings, heavy wall sections and large stem diameters. This document sets forth the requirements for the following gate valve features: — bolted bonnet; — outside screw and yoke; — rising stems; — non-rising 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; applies for pressure Class designations: — 150; 300; 600; 900; 1 500; 2 500; and applies for pressure PN designations: — 16, 25, 40, 63, 100, 160, 250 and 400.
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