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硬密封球面蝶阀 |
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硬密封球面蝶阀
Hard seal ball valve
公称通径 Nominal diameter: DN50〜DN3200
公称压力 Nominal pressure: PN0.6~4.0MPa
适用介质 Applicable medium:水、油、气 Water,oil,steamr
适用温度 Applicable temperature: -1 OX；"* 425*C
驱动方式 Drive mode:手动、气动、电动 Hand operated,air operated,electrically
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