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| 公称压力 PN/MPa Nominal pressure | 试验压力/MPa Seal test | ||
| 壳体强度试验 Shell strength | 上密封试验 Back seal test | 密封试验 Seat test | |
| 1.0 | 1.5 | 1.1 | 1.1 |
| 1.6 | 2.4 | 1.8 | 1.8 |
| 2.5 | 3.8 | 2.8 | 2.8 |
| 4.0 | 6.O | 4.4 | 4.4 |
| 6.4 | 8.6 | 7.O | 7.0 |
| 1O.O | 15.O | 11.O | 11.O |
| 产品类型 Product type | 适用介质 Applicable medium | 适用温度/℃ Applicable temperature |
| NKZ41H NKZ44H NKZ944H-C型 NKZ941H | 水、蒸汽、空气 Water，Steam，Air | ≤425 |
| NKZ41HY NKZ44HY-I型 NKZ944HY-I型 NKZ941HY | 水、蒸汽、空气 Water，Steam，Air | ≤550 |
| 零件名称 Part name | 阀体、阀盖 Body Bonnet | 阀杆 Stem | 闸板 Wedge gate | 密封面 Sealing face | 阀杆螺母 Yokenut | 填料 Parking | 紧固件 Fastener |
| NKZ44H NKZ41H-C型 NKZ944H-C型 NKZ941H | WCB | 2Crl3 | 25 | H：合金钢 H：alloy steel | 铝青铜 Albronze | 膨胀复合石墨 Expanding comDound graphite | 优质碳钢 High-grade carbon steel |
| NKZ44 NKZ41Y-I型 NKZ944-I型 NKZ941 | 铬钼钢 Cr.Mo steel | 20CrlMo1VA 38CrMoAlA | 铬钼钢 Cr.Mo steel | Y：硬质合金 Y：carbide alloy | 铬钼钢 Cr.Mo steel |
| 公称通径 DN/mm Nominal diameter | 公称压力 PN/MPa Nominal pressure | 主要外形尺寸和连接尺寸/mm Main extemalconnecting dimensions | 阀门 重量 /kg Valve weight | 附法兰尺寸/mm Additional flange''s dimensions | ||||||||||
| L | H | D | D1 | D2 | b | f | z-d | W | h | D0 | Dn | |||
| 50 | 1.O | 250 | 345 | 160 | 125 | 1OO | 16 | 3 | 4-18 | 250 | 28 | 45 | 49 | 58 |
| 65 | 270 | 395 | 180 | 145 | 120 | 18 | 3 | 4-18 | 250 | 40 | 48 | 64 | 75 | |
| 80 | 280 | 425 | 195 | 160 | 135 | 20 | 3 | 4-18 | 300 | 55 | 50 | 78 | 97 | |
| 100 | 300 | 51O | 215 | 180 | 155 | 20 | 3 | 8-18 | 300 | 72 | 52 | 96 | 110 | |
| 125 | 325 | 570 | 245 | 21O | 185 | 22 | 3 | 8-18 | 350 | 106 | 60 | 120 | 136 | |
| 150 | 350 | 725 | 280 | 240 | 21O | 24 | 3 | 8-18 | 350 | 146 | 60 | 145 | 163 | |
| 200 | 400 | 820 | 335 | 295 | 265 | 26 | 3 | 8-18 | 400 | 220 | 62 | 202 | 223 | |
| 250 | 450 | 890 | 390 | 350 | 320 | 28 | 3 | 12-23 | 400 | 315 | 62 | 225 | 278 | |
| 300 | 500 | 1070 | 440 | 400 | 368 | 28 | 3 | 12-23 | 450 | 398 | 65 | 303 | 330 | |
| 350 | 550 | 1320 | 500 | 460 | 428 | 30 | 4 | 16-23 | 550 | 530 | 65 | 351 | 382 | |
| 400 | 600 | 1450 | 565 | 515 | 482 | 32 | 4 | 16-25 | 550 | 690 | 65 | 398 | 432 | |
| 450 | 650 | 1560 | 615 | 565 | 532 | 32 | 4 | 20-25 | 600 | 870 | 70 | 460 | 485 | |
| 500 | 700 | 1720 | 670 | 620 | 585 | 34 | 4 | 20-25 | 650 | 1080 | 78 | 500 | 535 | |
| 600 | 800 | 1880 | 780 | 725 | 685 | 36 | 5 | 20-30 | 700 | 1350 | 90 | 600 | 636 | |
| 700 | 900 | 2085 | 895 | 840 | 800 | 40 | 5 | 24-30 | 750 | 1950 | 90 | 690 | 726 | |
| 800 | 1OOO | 2590 | 101O | 950 | 905 | 44 | 5 | 24-34 | 800 | 2500 | 106 | 790 | 826 | |
| 50 | 1.6 | 250 | 345 | 160 | 125 | 1OO | 16 | 3 | 4-18 | 250 | 28 | 48 | 49 | 58 |
| 65 | 270 | 395 | 180 | 145 | 120 | 18 | 3 | 4-18 | 250 | 40 | 50 | 64 | 75 | |
| 80 | 280 | 425 | 195 | 160 | 135 | 20 | 3 | 8-18 | 300 | 58 | 52 | 78 | 91 | |
| 100 | 300 | 51O | 215 | 180 | 155 | 20 | 3 | 8-18 | 300 | 75 | 52 | 96 | 110 | |
| 125 | 325 | 570 | 245 | 21O | 185 | 22 | 3 | 8-18 | 350 | 110 | 60 | 120 | 136 | |
| 150 | 350 | 725 | 280 | 240 | 21O | 24 | 3 | 8-23 | 350 | 150 | 60 | 145 | 163 | |
| 200 | 400 | 820 | 335 | 295 | 265 | 26 | 3 | 12-23 | 400 | 223 | 62 | 201 | 223 | |
| 250 | 450 | 890 | 405 | 355 | 320 | 30 | 3 | 12-25 | 450 | 326 | 68 | 253 | 278 | |
| 300 | 500 | 1070 | 460 | 41O | 375 | 30 | 3 | 12-25 | 550 | 432 | 70 | 303 | 330 | |
| 350 | 550 | 1320 | 520 | 470 | 435 | 34 | 4 | 16-25 | 600 | 572 | 78 | 351 | 382 | |
