进口美标150LB法兰止回阀2寸【产品说明】进口美标API止回阀—美国威盾VTON，按照ANSIB16.34标准设计制造。各类有：旋启式止回阀，升降式止回阀，升降立式止回阀；Class150LB～2500LB；NPS1"～28"工作温度-40～570℃;阀体材料有：WCB，WC1，WC6，WC9，C5，CF3，CF8，CF3M，CF8M等。适用介质：水，蒸气，油品，硝酸，强氧化介质和尿素等。广泛应用于电站，石油，化工，制药，食品等行业。可与进口设备直接配套使用。【主要零部件材质】体、盖、瓣阀杆垫片密封面工作温度℃适用介质WCB2Cr13增强柔性石墨13Cr/柔性石墨不锈钢/耐酸石棉齿形垫片13CrSTL本体材料尼龙PTFE≤425水蒸气油品硝酸醋酸强氧化介质尿素【主要外形尺寸】公称通径DN150Lb、10K300Lb、20K600Lb900LbinmmL(RF)H重量(kg)L(RF)H重量(kg)L(RJ)H重量(kg)L(RJ)H重量(kg)25020316517267190282922103237233512021/2652161752529220533330230424223701653802411902931822045356255603843001154100292215503562457043229511046034018061503562658544429515055936522061342540082004953201505333302306604203907404906901025062235624062242039078750563084158510201230069841535071148052083854587096865515501435078746046083853571088960094010387102000164008644955808645858909916501100114076525001845097859069097861510001092735130012328103000)