一、进口水用高压减压阀产品概述
进口水用高压减压阀(威盾VTON),Water high-pressure reducing valve也叫高压调压阀,主要由调节弹簧、膜片、活塞、阀座、阀瓣等零件组成,利用膜片直接传感下游压力驱动阀瓣,控制阀瓣开度完成减压稳压功能的阀门。最高阀前压力32Mpa,出口减到0.1Mpa,适用于高压或者高压差的水流介质场合,将进口的高压力减到并稳定在需要的压力值。
美国威盾VTON进口水用高压减压阀主要应用在煤矿井下高压,城市高层建筑、酒店等冷热供水系统中,可取代常规分区水管,节省设备。也可在通常的冷热水管网中,起减压稳压作用。
主要特征:
结构新颖合理、高压减压稳定
工作平稳可靠、大流量通行
阀瓣快开慢闭、高压差时无水锤冲击(关闭时间可调)
减稳压精度高、调节范围大
密封性能好、使用寿命时间长
A water high pressure reducing valve (VTON), also known as a high-pressure regulating valve, is mainly composed of adjusting springs, diaphragms, pistons, valve seats, valve discs, and other components. The diaphragm directly senses downstream pressure to drive the valve disc, and controls the valve disc opening to complete the pressure reducing and stabilizing function of the valve. The maximum pre valve pressure is 32Mpa, and the outlet is reduced to 0.1Mpa. It is suitable for high-pressure or high-pressure differential water flow media situations, reducing the high inlet pressure to and stabilizing it at the required pressure value.
The high-pressure pressure reducing valve imported by VTON from the United States is mainly used in high-pressure underground coal mines, urban high-rise buildings, hotels and other cold and hot water supply systems. It can replace conventional partition water pipes and save equipment. It can also play a role in reducing pressure and stabilizing pressure in typical cold and hot water pipe networks.
Main features:
Novel and reasonable structure, stable high-pressure and pressure reduction
Stable and reliable work, with high traffic flow
Valve disc fast opening and slow closing, no water hammer impact under high pressure difference (adjustable closing time)
High precision and wide adjustment range for voltage reduction and stabilization
Good sealing performance and long service life
二、进口水用高压减压阀技术参数及性能
公称通径:DN15-500mm | 公称压力:1.6-16Mpa | |
壳体试验压力(Mpa):2.4-24 | 密封试验压力(Mpa):1.6-16 | |
最高进口压力(Mpa):1.6-16 | 出口压力范围(Mpa):0.04-4.5 | |
渗漏量:0 | 制造标准:VTON |
三、进口水用高压减压阀额定流量系数
DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 500 |
Cv | 1 | 2.5 | 4 | 6.5 | 9 | 16 | 25 | 36 | 64 | 100 | 140 | 250 | 400 | 570 | 780 | 1020 | 1500 |
四、进口水用高压减压阀零件材料
阀体:WCB | 阀盖:WCB | |
底盖:WCB | 阀座:2Cr13 | |
阀瓣:2Cr13 | 阀杆:2Cr13 | |
缸套:2Cr13/25(镀硬铬) | 活塞:2Cr13 | |
O型圈:丁腈橡胶 | 密封圈:丁腈橡胶 | |
膜片:夹织物丁腈橡胶 | 调节弹簧:60Si2Mn |
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