ISO 10434:2020 石油、石化及相关工业用螺栓阀盖钢闸阀

标准编号：ISO 10434:2020

中文名称：石油、石化及相关工业用螺栓阀盖钢闸阀

英文名称：Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries

发布日期：2020-08

标准范围

本文件规定了炼油厂和相关应用中重型螺栓阀盖钢闸阀系列的要求，在这些应用中，腐蚀、侵蚀和其他使用条件可能表明需要全流道开口、厚壁截面和大阀杆直径。本文件规定了下列闸阀特性的要求:-螺栓连接阀盖；-外螺纹和轭架；-上升的茎；-非上升手轮；-单门或双门；-楔形或平行阀座；-金属阀座表面；-法兰或对焊端。它包括公称尺寸DN的阀门:— 25; 32; 40; 50; 65; 80; 100; 150; 200; 250; 300; 350; 400; 450; 500; 600;对应于标称管道尺寸NPS:— 1; 1.1.2.2.3.4.6.8.10; 12; 14; 16; 18; 20; 24;适用于压力等级名称:— 150; 300; 600; 900; 1 500; 2 500;并申请压力PN名称:-16、25、40、63、100、160、250和400。

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; 1？; 1？; 2; 2？; 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.

标准预览图