■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 | |