■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 | ■主要零件材料 materials main parts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 |
■主要尺寸及重量 main dimensions and weight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 |
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