NKZ61H/Z64H焊接式真空闸阀
主要性能规范 Chief propertyspecification
·-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 dimensionsweight
| 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 | |
