产品简介：
本产品适用于全开全闭的各类管道及设备上的启闭件，由阀杆带动，沿阀座轴线作升降运动的阀门。本产品适用于液、气介质管路和设备，用来截断和接通管路中介质之用。
Product Brief Introduction:
It is suited to control media by being full opened or closed in pipelines and devices .Its disc is driven by stem, which lift along the seat axis. It is suitable for pipelines and devices to shut off or close media in pipeline.
主要性能参数：Main Performance Parameters:
公称压力 Nominal Pressure (MPa) | 法兰密封型式 Flange Seal Type | 试验压力（MPa）Testing Pressure | 适用 温度Suitable Temp℃ | 型 号 Type |
壳体Shell | 密封Seal |
1.6 | 凸面 | 2.4 | 1.76 | ≤425 | J41H-16C | J41H-16R | J41W-16P | J41Y-16P | J41Y-16I |
2.5 | 凸面 | 3.75 | 2.75 | J41H-25C | J41H-25R | J41W-25P | J41Y-25P | J41Y-25I |
4.0 | 凸凹面 | 6.0 | 4.4 | J41H-40C | J41H-40R | J41W-40P | J41Y-40P | J41Y-40I |
伞齿轮传动 Umbrella Gear Drive | 在型号“J”后插入“5”例J541H-25 |
电动 Electric | 在型号“J”后插入“9”例J941H-25 |
气动闸阀型号 Pneumatic | 在型号“J”后插入“6”例J641H-25 |
适用介质 Suitable Media | 水、油、蒸汽及腐蚀性介质 Water, oils, steam and corrosive |
