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Trigonometry valve
 Main technical parameter£º
Nominal pressure£º1.£ÍPa¡«4MPa
Suitable medium£ºThe natural gas, artificial coal gas , liquefied petroleum
¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡ gas£¬Oil, water and so on¡£
Suitable temperature £º-30¡æ¡«20¡æ
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