YEF一体化二阀组 INTEGRALIZATION TWO’S SERIES VALE 这种阀组将切断、校准和排气三种装置集于一体，结构小巧，可直接固定, , 在变送器上，减少了易漏接头。This valve is formed with the cut-out , calibration and the three kinds devices collection exhausting in an integral whole , is assembles by the fact that the flange may link with the transmitter directly , structure is small and exquisite , are beneficial.序号NO。公称压力PN配管外径Ф公称通径DN适用温度℃阀体材料Material120MPa14Ф5-20--44035”220MPa14Ф5-70--2401Cr18Ni9Ti 说明：可按用户要求生产各种标准、型号、材质的产品。
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