89177107NKZ61H/Z64H焊接式真空闸阀
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 |