真空闸阀 闸阀 真空阀 闸阀 不锈钢闸阀 闸阀dn100
真空法兰闸阀试验压力 Test pressure公称压力 PN/MPa Nominal pressure | 试验压力/MPa Seal test |
壳体强度试验 Shell strength | 上密封试验 Back seal test | 密封试验 Seat test |
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 Product type | 适用介质 Applicable medium | 适用温度/℃ Applicable temperature |
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 Materials for main parts零件名称 Part name | 阀体、阀盖 Body Bonnet | 阀杆 Stem | 闸板 Wedge gate | 密封面 Sealing face | 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:alloy steel | 铝青铜 Albronze | 膨胀复合石墨 Expanding comDound graphite | 优质碳钢 High-grade carbon steel |
NKZ44 NKZ41Y-I型 NKZ944-I型 NKZ941 | 铬钼钢 Cr.Mo steel | 20CrlMo1VA 38CrMoAlA | 铬钼钢 Cr.Mo steel | Y:硬质合金 Y:carbide alloy | 铬钼钢 Cr.Mo steel |