详细说明
真空法兰闸阀试验压力Testpressure
| 公称压力 PN/MPa Nominal pressure | 试验压力/MPaSealtest |
| 壳体强度试验 Shellstrength | 上密封试验 Backsealtest | 密封试验 Seattest |
| 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 |
真空法兰闸阀使用范围Applicable
| 产品类型 Producttype | 适用介质 Applicablemedium | 适用温度/℃ Applicabletemperature |
| NKZ41H NKZ44H NKZ944H-C型 NKZ941H | 水、蒸汽、空气 Water，Steam，Air | ≤425 |
| NKZ41H(Y) NKZ44H(Y)-I型 NKZ944H(Y)-I型 NKZ941H(Y) | 水、蒸汽、空气 Water，Steam，Air | ≤550 |
真空法兰闸阀主要零件材料Materialsformainparts
| 零件名称 Partname | 阀体、阀盖 BodyBonnet | 阀杆 Stem | 闸板 Wedgegate | 密封面 Sealingface | 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:alloysteel | 铝青铜 Albronze | 膨胀复合石墨 Expanding comDound graphite | 优质碳钢 High-grade carbonsteel |
| NKZ44 NKZ41Y-I型 NKZ944-I型 NKZ941 | 铬钼钢 Cr.Mosteel | 20CrlMo1VA 38CrMoAlA | 铬钼钢 Cr.Mosteel | Y:硬质合金 Y:carbidealloy | 铬钼钢 Cr.Mosteel |
·主要尺寸及重量Maindimensionsandweight
| 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 Mainextemalandconnectingdimensions | 阀门 重量 /kg Valve weight | 附法兰尺寸/mm Additionalflange'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 |