control valve

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control valve
Posting date : Mar 25, 2008
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HS-CODE
72-
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Detailed Description
Body:ZG230-450 ZG1Cr18Ni9Ti ZG0Cr17Ni12Mo2 Ball:1Cr18Ni9Ti Seat:1Cr18Ni9Ti Diaphragm:Nitrile rubber DN: 20~1000MM Rated journey: 16 25 40 60 Actuator: ZH AB-22 ZH AB-23 ZH AB-34 ZH AB-45 Diaphragm effective area(cm20: 350 560 900 NP: 0.6 1.6 4.0 6.4 Working temp: -20~200 -40~250 -60~450 Surrounding temp: -40-85 Gas supply pressure:0.14 0.25 0.4 Spring scope: 20~100 40~200 80~240 20~60 60~100 Gas take-over size: internal thread: M10*1 Input signal: air: 0.02~0.1Mpa elecric: 0-10, 4~20mA (with positioner) Intrinsic error: ±5% with positioner , ±5% without positioner Return Difference: ±3% without positioner ±1% (with positioner) Dead Zone: 1% without positioner 0.8% (with positioner) Leakage: GB/4213/T IV

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