主要性能规范 Chief property and specification ·试验压力 Test pressure 公称压力 PN/MPa Nominal pressure 试验压力/MPa Seal test 壳体强度试验 Shellslrenght test 上密封试验 Back Seal test 密封试验 Seat test 2.5 3.8 2.8 2.8 4.O 6.0 4.4 4.4 6.4 9.6 70 7.O 1O.O 15O 11.O 11.O ·使用范围 Applicable 产品类型 Product calssification 适用介质 Applicable medium 适用温度/℃ Applicable temperature NKZ61H NKZ64H H-C型 NKZ964H H-C型 NKZ961H 水、蒸汽、空气 Water，Steam，Air ≤425 NKZ61H NKZ64H Y-I型 NKZ964H Y-I型 NKZ961H 水、蒸汽、空气 Water，Steam，Air ≤550 ·主要零部件材料 Materials for main parts 零件名称 Part name 阀体、阀盖 Body Bonnet 阀杆 Valve stem 闸板 Wedge gate 密封面 Sealing face 阀杆螺母 Valve Yoke nut 填料 Parking 紧固件 Fastener NKZ61H NKZ64H H-C型 NKZ964H H-C型 NKZ961H WCB 2Crl3 25 H：合金钢 H：alloysteel 铝青铜 Albronze 膨胀复合石墨 Expanding compound graphite 优质碳钢 High-grade carbon steel NKZ61H NKZ64H Y-I型 NKZ964H Y-I型 NKZ961H 铬钼钢 Cr.Mo steel 20CrlMo1VA 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 diamecer 公称压力 PN/MPa Nominal pressure 主要外形尺寸和连接尺寸/mm Main external andconnecting dimensions 重量/kg Weight L H D D0 ∝ W 50 2.5 250 345 64 49 37o30' 250 24 65 270 395 82 66 37o30' 250 36 80 280 425 95 78 37o30' 300 52 100 300 51O 117 100 37o30' 300 67 125 325 570 144 125 37o30' 350 95 150 350 725 172 151 37o30' 350 135 200 400 820 223 201 37o30' 400 210 250 450 890 278 253 37o30' 450 300 300 500 1070 330 303 37o30' 550 395 350 550 1320 382 351 37o30' 650 530 400 600 1450 432 398 37o30' 750 685 450 650 1560 484 450 37o30' 750 906 500 700 1720 535 498 37o30' 850 1130 600 809 1880 638 600 37o30' 900 1387 700 900 2083 738 700 37o30' 950 1894 800 1OOO 2590 840 800 37o30' 1000 2621 50 4.0 250 345 64 48 37o30' 300 30 65 270 395 82 66 37o30' 300 42 80 280 425 95 78 37o30' 350 57 100 300 51O 117 1OO 37o30' 350 75 125 325 570 144 125 37o30' 400 105 150 350 725 172 151 37o30' 400 150 200 400 820 223 199 37o30' 450 232 250 450 890 278 251 37o30' 550 330 300 500 1070 330 301 37o30' 650 430 350 550 1320 382 349 37o30' 750 570 400 600 1450 432 396 37o30' 850 730 50 6.4 250 350 64 48 37o30' 300 34 65 280 405 82 65 37o30' 300 48 80 310 435 95 76 37o30' 350 65 100 350 515 117 98 37o30' 400 81 125 400 580 150 128 37o30' 400 112 150 450 735 172 149 37o30' 450 161 200 550 835 223 197 37o30' 550 255 250 650 905 278 245 37o30' 650 390 300 750 1080 330 293 37o30' 750 515 350 850 1340 382 341 37o30' 800 695 400 950 1460 432 386 37o30' 900 885 50 1O.0 250 350 64 48 37o30' 300 37 65 280 405 82 63 37o30' 300 52 80 310 435 95 74 37o30' 350 70 100 350 515 117 97 37o30' 400 86 125 400 580 150 124 37o30' 400 118 150 450 735 172 144 37o30' 450 168 200 550 835 223 189 37o30' 550 263 250 650 905 278 235 37o30' 650 405 300 750 1080 330 281 37o30' 750 536 350 850 1340 382 333 37o30' 850 732 400 950 1460 432 376 37o30' 950 947 注：PN2.5(25)型阀门允许作为PN1.0(10)、PN1.6(16)压力级选用 ·主要尺寸 Main dimensions 公称通径 DN/mm Nominal diamecer 公称压力 PN/MPa Nominal pressure 主要外形尺寸和连接尺寸/mm Main external andconnecting dimensions 电动装置 Electric device L H D D0 ∝ W 50 2.5 250 618 64 49 37o30' 562 DZWlO 65 270 670 82 66 37o30' 562 DZWlO 80 280 700 95 78 37o30' 562 DZWlO 100 300 785 117 100 37o30' 607 DZWl5 125 325 845 144 125 37o30' 607 DZW20l 150 350 990 172 151 37o30' 607 DZW20l 200 400 1080 223 201 37o30' 607 DZW30 250 450 1150 278 253 37o30' 607 DZW30 300 500 1415 330 303 37o30' 755 DZW45 350 550 1665 382 351 37o30' 755 DZW60 400 600 1815 432 398 37o30' 825 DZW90 450 650 1920 484 450 37o30' 825 DZWl20 500 700 2080 535 498 37o30' 825 DZWl20 600 800 2380 638 600 37o30' 925 DZWl80 50 4.0 250 618 64 49 37o30' 562 DZWl5 65 270 670 82 66 37o30' 562 DZWl5 80 280 700 95 78 37o30' 607 DZWl5 1OO 300 785 117 100 37o30' 607 DZW20l 125 325 845 144 125 37o30' 607 DZW20l 150 350 990 172 151 37o30' 607 DZW30 200 400 1080 223 199 37o30' 607 DZW30 250 450 1150 278 251 37o30' 755 DZW45 300 500 1415 330 301 37o30' 755 DZW60 350 550 1685 382 349 37o30' 825 DZW90l 400 600 1815 432 396 37o30' 825 DZW20 50 　　　　　 6.4 250 625 64 49 37o30' 562 DZWlO 65 280 693 82 66 37o30' 562 DZWl5 80 31O 712 95 76 37o30' 607 DZW20l 1OO 350 790 117 98 37o30' 607 DZW20l 125 400 855 150 128 37o30' 607 DZW30 150 450 1OOO 172 149 37o30' 607 DZW30 200 550 1185 223 197 37o30' 755 DZW45 250 650 1255 278 245 37o30' 755 DZW60 300 750 1445 330 293 37o30' 825 DZW90l 350 850 1715 382 341 37o30' 825 DZWl20l 400 950 1985 432 386 37o30' 925 DZWl80 50 1O．O 250 625 64 49 37o30' 562 DZWlO 65 280 693 82 66 37o30' 562 DZWl5 80 31O 712 95 74 37o30' 607 DZW20l 1OO 350 790 117 97 37o30' 607 DZW30l 125 400 855 150 124 37o30' 607 DZW30 150 450 1000 172 144 37o30' 755 DZW45 200 550 1185 223 189 37o30' 755 DZW60 250 650 1255 278 235 37o30' 825 DZW90l 300 750 1445 330 281 37o30' 825 DZWl20l 350 850 1715 382 333 37o30' 925 DZWl80 400 950 1985 432 376 37o30' 925 DZW250