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DIN EN ISO 10434:2020 Edition

DIN EN ISO 10434:2020 Edition

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

Published By Publication Date Number of Pages
DIN 2020-03 86
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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 would indicate a need for full port openings, heavy wall sections and large stem diameters. The 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; 1 1/4; 1 1/2; 2; 2 1/2; 3; 4; 6; 8; 10; 12; 14; 16; 18; 20; 24; applies for pressure Class designations: 150; 300; 600; 900; 1500; 2500; and applies for pressure PN designations: 16, 25, 40, 100, 160, 250 and 400.

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DIN EN ISO 10434
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