NKZ64H、NKZ44H真空闸阀特点
NKZ64H、NKZ44H真空闸阀零件材料
产品类型Product type | 零件名称Part name | |||||
阀体、阀盖、支架Body、Bonnet、Yoke | 阀杆Valve rod | 阀板、阀瓣、密封面Walge gate Disc Sealface | 阀座密封面Seatring seal face | 阀杆螺母Yoke nut | 填料Packing | |
碳钢型(C) Carbon steel | WCB 25 | 1Cr13或2Cr13 | 1Cr13型不锈钢或硬质合金Sainlesssteelor carbidealloy | 不锈钢Stainlesssteel | 铝青铜 | 柔性石墨F18xible graphite |
合金钢(I) Alloy steel | WC6 Cr5M01 | 38CrM0AIA | 钴基合金 | 硬质合金Carbide alloy |
NKZ64H、NKZ44H真空闸阀性能参数
公称压力(Mpa) | ||||||
壳体强度试验 | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 |
| 1.5 | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 |
上密封试验 | 1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 |
| 1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 |
适用范围 | ||||||
| 适用温度(℃) | 适用介质 | ||||
碳钢型 | ≤425 | 水、蒸汽、油品、非腐蚀性气体 | ||||
合金型 | ≤540 |
主要外形和连接尺寸 Main external and connection dimension 单位Unit: mm
公称通径DN | L | α | H | D0 | PN1.6/MPa | PN2.5/MPa | ||
D | D1 | D | D1 | |||||
50 | 250 | 37o30' | 334 | 250 | 58 | 50 | 64 | 49 |
65 | 270 | 37o30' | 439 | 250 | 75 | 65 | 82 | 67 |
80 | 280 | 37o30' | 495 | 300 | 91 | 79 | 95 | 77 |
100 | 300 | 37o30' | 575 | 350 | 110 | 97 | 117 | 101 |
125 | 325 | 37o30' | 587 | 350 | 136 | 121 | 144 | 126 |
150 | 350 | 37o30' | 607 | 350 | 163 | 146 | 172 | 158 |
200 | 400 | 37o30' | 740 | 400 | 223 | 202 | 223 | 202 |
250 | 450 | 37o30' | 863 | 400 | 278 | 254 | 278 | 254 |
300 | 500 | 37o30' | 990 | 400 | 330 | 305 | 330 | 305 |
350 | 550 | 37o30' | 1137 | 500 | 382 | 352 | 382 | 352 |
400 | 600 | 37o30' | 1523 | 500 | 432 | 399 | 432 | 399 |
450 | 650 | 37o30' | 1618 | 600 | 485 | 451 | 485 | 451 |
500 | 700 | 37o30' | 1657 | 600 | 535 | 501 | 535 | 499 |
600 | 800 | 37o30' | 1746 | 700 | 636 | 601 | 636 | 599 |