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此类型专用低温降压调节阀主要用于低温储槽、槽车和罐车的降压系统，广泛用于lng、液态乙烯及其它低温介质，具有密封可靠、动作灵敏、压力稳定可靠和防静电的特点。
this type is special low-temperature step-down regulator is mainly used for low temperature storage tank, tank car and tank car step-down system, widely used in lng, ethylene and other low temperature liquid medium, with reliable sealing, action quick, the characteristics of the pressure is stable and reliable, and anti-static.
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
| 主要零部件名称 main components name | 材料 materials |
| 阀体/valve body | zg0cr18ni9 |
| 阀盖/valve cover | hpb59-1 |
| 阀杆/valve stem | 0cr18ni9 |
| 膜片/diaphragm | qsn6.5-0.1 |
| 主密封件/main seal | ptfe |
| 调节螺杆/valve stem | ocr18ni9 |
| 型号 model | 主要外形和连接尺寸 main form and the connection size (mm) | 公称压力 nominal pressure | 调压范围 scope of pressure adjustment | ||||
| h | h1 | w1 | w2 | m | （mpa） | （mpa） | |
| da-10p/c | 125 | 108 | 65 | ф76 | rc½ | 4.0 | 0.2~0.8 |
| da-10p/c1 | 125 | 108 | 65 | ф76 | rc½ | 4.0 | 0.2~1.6 |