一、进口弹簧水用减压阀
进口弹簧水用减压阀(威盾VTON),Spring water pressure reducing valve,属于直接作用式薄膜弹簧减压阀。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。
进口弹簧水用减压阀在城市建筑、高层建筑的冷热供水系统中,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。
进口弹簧水用减压阀调压、稳压动作平稳,适用于水和非腐蚀性液体介质的管路。
Spring water pressure reducing valve (VTON) is a direct acting diaphragm spring pressure reducing valve. Mainly composed of adjusting springs, diaphragms, pistons, valve seats, valve discs, and other components. Using a diaphragm to directly sense downstream pressure and drive the valve disc, controlling the valve disc opening to achieve pressure reduction and stabilization functions.
Spring water pressure reducing valves can replace conventional partition water pipes in the cold and hot water supply systems of urban and high-rise buildings, saving equipment. It can also play a role in reducing pressure and stabilizing pressure in typical cold and hot water pipe networks.
Spring water pressure reducing valve with stable pressure regulation and stabilization action, suitable for pipelines with water and non corrosive liquid media.
二、进口弹簧水用减压阀主要技术参数和性能指标
公称通径:DN10-500mm | 公称压力:1.0-2.5Mpa | |
壳体试验压力(Mpa):1.5-3.75 | 密封试验压力(Mpa):1.0-2.5 | |
最高进口压力(Mpa):1.0-2.5 | 出口压力范围(Mpa):0.2-1.6 | |
连接方式:法兰、螺纹、焊接 | 工作温度:0℃-80℃ | |
渗漏量:0 | 制造标准:VTON |
三、进口弹簧水用减压阀主要零件材料
阀体:HT250或者WCB | 阀盖:HT250或者WCB | |
底盖:HT250或者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 |
四、进口弹簧水用减压阀
流量系数(Cv)
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 |
五、进口弹簧水用减压阀尺寸图
外形尺寸(PN1.0-2.5) 单位:mm
公称通径DN | 外 形 尺 寸 | ||
L | H | Hl | |
15 | 160 | 225 | 90 |
20 | 160 | 265 | 98 |
25 | 180 | 265 | 110 |
32 | 200 | 265 | 110 |
40 | 220 | 320 | 125 |
50 | 250 | 320 | 125 |
65 | 280 | 325 | 130 |
80 | 310 | 385 | 160 |
100 | 350 | 385 | 170 |
125 | 400 | 430 | 200 |
150 | 450 | 430 | 210 |
200 | 500 | 560 | 240 |
250 | 650 | 690 | 290 |
300 | 800 | 800 | 335 |
350 | 850 | 880 | 375 |
400 | 900 | 980 | 405 |
450 | 900 | 1100 | 455 |
500 | 950 | 1130 | 465 |
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