真空隔离闸阀

?主要性能规范　Chief property and specification ■试验压力 Test pressure 公称通径 DN/mm Nominal diameter 试验压力/MPa Seal test 壳体强度试验 Sheli strength 上密封试验 Back seal 密封试验 Seal test 2.5 3 8 2 8 2 8 4 O 6 0 4 4 4 4 6 4 9.6 7.0 7.0 10.0 15.0 11.0 110 ■试验压力 Test pressure 产品类型 Product type 适用介质 Applicable medium 适用温度/℃ Applicable temperature NKZ61H NKZ64H NKZ964H NKZ961H H-C型 水、蒸汽、空气 Water,Stram.Air ≤425 NKZ61H NKZ64H NKZ964H NKZ961H Y-I型 水、蒸汽、空气 Water,Stram.Air ≤550 ■法兰式真空隔离闸阀、电动真空隔离闸阀主要零件材料 零件名称 Part name 阀体、阀盖 Body Bonnet 阀杆 Valve stem 阀板 Wedge gate 密封面 Sealing face 阀杆螺母 Yoke nut 填料 Packing 紧固件 Fastener NKZ61H NKZ64H NKZ964H NKZ961H H-C型 WCB 2Gr13 25 H：合金钢 H：alloy steel 铝青铜 Al bronze 膨胀复合石墨 Expanding compound graphite 优质碳钢 High-grade carbon steel NKZ61H NKZ64H NKZ964H NKZ961H Y-I型 铬钼钢 Cr.Mo steel 20Cr1Mo1VA 铬钼钢 Cr．Mo steel Y：硬质合金 Y：carbide alloy 铬钼钢 Cr．Mo steel ■法兰式、电动主要尺寸及重量 公称通径 DN/mm Nominal diameter 公称压力 DN/mm Nominal pressure 主要外形尺寸和连接尺寸/mm Main external and connecting dimensions 电动装置 Electric dowice L H D Do ∝ W 50 2.5 250 618 64 49 37°30’ 562 DZW10 65 270 670 82 66 37°30’ 562 DZW10 80 280 700 95 78 37°30’ 562 DZW10 100 300 785 117 100 37°30’ 607 DZW15 125 325 845 144 125 37°30’ 607 DZW20I 150 350 990 172 151 37°30’ 607 DZW20I 200 400 1080 223 201 37°30’ 607 DZW30 250 450 1150 278 253 37°30’ 607 DZW30 300 500 1415 330 303 37°30’ 755 DZW45 350 550 1665 380 351 37°30’ 755 DZW60 400 600 1815 432 398 37°30’ 825 DZW90 450 650 1920 484 450 37°30’ 825 DZW120 500 700 2080 535 498 37°30’ 825 DZW120 600 800 2380 638 600 37°30’ 925 DZW180 50 4 O 250 618 64 49 37°30’ 562 DZW15 65 270 670 82 66 37°30’ 562 DZW15 80 280 700 95 78 37°30’ 607 DZW15 100 300 785 117 100 37°30’ 607 DZW20I 125 325 845 144 125 37°30’ 607 DZW20I 150 350 990 172 151 37°30’ 607 DZW30 200 400 1080 223 199 37°30’ 607 DZW30 250 450 1150 278 251 37°30’ 755 DZW45 300 500 1415 330 301 37°30’ 755 DZW60 350 550 1685 382 349 37°30’ 825 DZW90I 400 600 1815 432 396 37°30’ 825 DZWl20 50 6.4 250 625 64 49 37°30’ 562 DZWlO 65 280 693 82 66 37°30’ 562 DZWl5 80 310 712 95 76 37°30’ 607 DZW20I 100 350 790 117 98 37°30’ 607 DZW20I 125 400 855 150 128 37°30’ 607 DZW30 150 450 1000 172 149 37°30’ 607 DZW30 200 550 1185 223 197 37°30’ 755 DZW45 250 650 1255 278 245 37°30’ 755 DZW60 300 750 1445 330 293 37°30’ 825 DZW90I 350 850 1715 382 341 37°30’ 825 DZW120I 400 950 1985 432 386 37°30’ 925 DZW180 50 10．O 250 625 64 49 37°30’ 562 DZW1O 65 280 693 82 66 37°30’ 562 DZW15 80 310 712 95 74 37°30’ 607 DZW20I 100 350 790 117 97 37°30’ 607 DZW30I 125 400 855 150 124 37°30’ 607 DZW30 150 450 1000 172 144 37°30’ 755 DZW45 200 550 1185 223 189 37°30’ 755 DZW60 250 650 1255 278 235 37°30’ 825 DZW90I 300 750 1445 330 281 37°30’ 825 DZW120I 350 850 1715 382 333 37°30’ 925 DZW180 400 950 1985 432 376 37°30’ 925 DZW250