一、进口可调式蒸汽减压阀产品概述
进口可调式蒸汽减压阀(威盾VTON),Adjustable steam reducing valve,也叫带手柄调节蒸汽调压阀,是指阀体材质采用优质碳钢WCB或者不锈钢材质,减压阀上带有可调压力的调节手柄,用于蒸汽管道系统,通过导阀感应阀后压力的变化,调节主阀的阀芯开度,将蒸汽管道的进口压力减至某一需要的出口压力,并稳定在压力值的阀门。此阀依靠蒸汽介质本身的能量,使出口压力自动膜片采用了新型材料,并大大加工了工作面积,因此阀门上游压力或下游负荷细微的变化都能及时准确的反馈到主阀膜片,来调节主阀的开度,确保下游压力的稳定。
Adjustable steam reducing valve (VTON), also known as a steam regulating valve with a handle, refers to a valve whose valve body is made of high-quality carbon steel WCB or stainless steel material, and the pressure reducing valve is equipped with an adjustable pressure control handle. It is used in steam pipeline systems. By sensing the pressure change after the valve, the valve core opening of the main valve is adjusted to reduce the inlet pressure of the steam pipeline to a certain required outlet pressure and stabilize it at the pressure value. This valve relies on the energy of the steam medium itself to make the outlet pressure automatic diaphragm use new materials and greatly process the working area. Therefore, subtle changes in upstream pressure or downstream load of the valve can be timely and accurately fed back to the main valve diaphragm to adjust the opening of the main valve and ensure the stability of downstream pressure.
二、进口可调式蒸汽减压阀主要技术参数和性能指标
公称压力(MPa):2.5 | 壳化试验压力(MPa):3.75 | |
密封试验压力(MPa):2.5 | 最高进口压力(MPa):2.5 | |
出口压力范围(MPa):0.02-1.6 | 压力特性偏差:GB12244-1989 | |
流量特性偏差:GB12244-1989 | 制造标准:VTON |
三、进口可调式蒸汽减压阀主要零件材料
阀体:WCB、304、316 | 阀盖:WCB、304、316 | |
阀座:2Cr13 | 阀瓣:2Cr13 | |
阀杆:2Cr13 | 膜片:1Cr18Ni9Ti | |
调节弹簧:60Si2Mn | 制造标准:VTON |
四、进口可调式蒸汽减压阀流量系数
DN | 15 | 20 | 25 | 32 | 40 | 50 |
Cv | 2.9 | 5.3 | 8.6 | 11.6 | 16.5 | 29.1 |
五、进口可调式蒸汽减压阀连接图
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