게이트 밸브: 5가지 유형, 부품 및 작동 원리
Explore the main gate valve types, components, and operating principle, including wedge, parallel-slide, resilient-seated, metal-seated, rising-stem, and non-rising-stem designs. The guide explains how gate valves provide full-open or full-closed pipeline isolation and highlights key selection factors such as seat construction, body material, pressure and temperature, media compatibility, actuation, maintenance, and applicable standards.