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Standard
| GB/T 25974.3-2010 Powered support for coal mine―Part 3:The hydraulic control system and valves (English Version) |
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Detail of GB/T 25974.3-2010
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Introduction of GB/T 25974.3-2010
GB25974的本部分规定了煤矿用液压支架(以下简称支架)液压控制系统及阀的术语和定义、分类、要求、试验方法、检验规则、标志、包装和贮存。
本部分适用于各种煤矿用支架和其他具有支护功能设备的液压控制系统及阀,包括各种液压控制系统、安全阀类、液控单向阀类、换向阀类、截止阀类等。
本部分不适用于增压器、立柱和千斤顶内部的阀(如立柱底阀)。
Contents of GB/T 25974.3-2010