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LM81/82系列多孔式高压单座控制阀是一种顶部导向、柱塞型高压 单座控制阀。采用新型直压式浮动阀座结构.具有控制精度高，密 封性能好，结构简单,通用性强等特点。多孔式压套的采用，极大 地提高了内件的抗气蚀、降噪音性能.适用于较为苛刻工况条件下 的流体控制。
LM81/82 series with large capacity high pressure globe valve body, thick wall bonnet. Metal-seated quick-changeable trim combination , ensures safety and credibility in high pressure conditions. Insensitive to impurities with low cavitation design. Fast and easy to maintenance due to its rotational symmetry. They are especially suitable for the high pressure fluid with entrained particle and larger temperature variety because of won*t being locked.
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公称通径/Nominal Size |
DN40-DN200 使用温度/Operating temperature |
|
公称压力/Nominal Pressure |
美洲American standard : PN150(ANSI 900),260(ANSI 1500),420(ANSI2500); 欧洲体^/European standard : PN160,250 |
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流量 |
等百分比、线性/ Equal percentage,Linear 可调比/Rangeability : 50 :1 |
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泄漏・/Seat leakage |
B/T 17213.4-2005/IEC 60534-4:2006 IV级 Class IVaccording to GB/T 17213.4-2005/IEC 60534-4:2006 |
| 公称通径 | DN15 ~ DN300 |
| 公称压力 | PN/160/250/CL900(PN150)/1500(PN260)/2500(PN420) |
| 操作温度 | -46℃~ 350℃ |
| 流量特性 | 等百分比，线性，快开 |
| 可调比 | 30:1、50:1、 100:1 |
| 泄漏等级 | ANSI B16.104: IV、V、VI |
| 阀体材质 | WCB/WCC/LCB/LCC;WC6/WC9;CF8/CF8M;4A/5A等 |
| 阀内件材质 | 630/316/316+ST/316nitriding/316+Ni60/316+WC等 |
| 填料材质 | 柔性石墨环形填料、石墨+PTFE编织填料等 |
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