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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 |
|
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 |
|
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 |