H71 对夹升降式止回阀 H71 Wafer Upward-Downward Check Valve 使用说明书 Operating Manual 概述 1. Introduction 产品型号: H71 Mode of Product: H71 产品名称:对夹升降式止回阀 Name of Product: Wafer Upward-Downward Check Valve 产品特点: Features of Product: 一、 流体力学性能: H71对夹升降式止回阀的体积流量与压力降关系: 2. Performance of Hydrodynamics: Relationship between volume flow and differential pressure of H71 Wafer Upward-Downward Check Valve 水的当量体积流
H71系列对夹升降式止回阀型号,材料说明 配管法兰 公称压力 常规产品型号 JB/T 74 ~90、 GB/T 9112 ~9124、 HG 20592 ~20614 PN1.0MPa H71H-10C H71W-10P H71W-10P8 H71W-10P3 H71W-10R H71W-10R8 H71W-10R3 PN1.6MPa H71W-16C H71W-16P H71W-16P8 H71W-16P3 H71W-16R H71W-16R8 H71W-16R3 PN2.5MPa H71W-25 H71W-25P H71W-25P8 H71W-25P3 H71W-25R H71W-25R8 H71W-25R3 PN4.0MPa H71W-40 H71W-40P H71W-40P8 H71W-40P3 H71W-40R H71W-40R8 H71W-40R3 PN6.3
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