低温介质专用DQS-25P低温三通球阀是"T"型通道三通球阀主要用于组合安全系统阀的安全阀及防爆膜片的安装主体。除能大大地减化和优化贮槽管路、减少贮槽组装时间和二组安全附件同时工作的特点，并且更换安全阀方便、可靠。广泛用于液氧、液氮、液态乙烯及其它低温介质，具有密封可靠的特点。
This type is the ""T"" type channel of the 3-way ball valve is mainly used in integrated security system valve relief valve and the installation of the explosion-proof membrane. In addition to can greatly simplify and optimize pipeline of storage tank, storage tank assembly time and the characteristics of two groups safety accessories work at the same time, and replace the relief valve is convenient and reliable. Widely used in liquid oxygen, liquid nitrogen, liquid ethylene and other low temperature medium, has the characteristics of the sealing is reliable.
主要技术参数
Main technical parameters
公称压力/Nominal pressure:4.0MPa
设计温度/Design temperature:-196℃～+80℃
适用介质/Applicable medium:LNG 、LO2、LN2、LAr
连接方式/Connection method:螺纹
公称通径/Nominal diameter:25mm
| 主要零部件名称 Main components name |
材料 Materials |
| 阀体/Valve body | ZG0Cr18Ni9 |
| 阀瓣/Valve disc | 0Cr18Ni9Ti |
| 阀盖/Valve cover | ZG0Cr18Ni9 |
| 阀杆/Valve stem | 0Cr18Ni9 |
| 手柄/handle | ZG0Cr18Ni9 |
| 球体/sphere | 0Cr18Ni9 |
| 主密封件/Main seal | PTFE+石墨 |
| 型号 Model |
主要外形和连接尺寸 Main form and the connection size (mm) |
重量 Weight |
||||||||
| H1 | H2 | H3 | D0 | D1 | M1 | M2 | L1 | L2 | （kg） | |
| DQS-25P | 191.5 | 83 | 37 | Ф25 | Ф32 | Ф36*2 | Ф36*2 | 171 | 122.5 | 5.1 |
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