上(shang)海閥(fa)(fa)(fa)盛閥(fa)(fa)(fa)門制(zhi)造有限(xian)公(gong)司主要生產壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)，可提供壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)價格，壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)說明(ming)書，壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)實(shi)物圖，壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)結構圖，壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)外形尺(chi)寸，壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)執行標準，壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)工作原理，壓(ya)差(cha)(cha)(cha)旁(pang)(pang)(pang)通(tong)(tong)(tong)閥(fa)(fa)(fa)作用特點。

壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)旁(pang)通(tong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)由(you)主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)控(kong)(kong)(kong)制(zhi)(zhi)導閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、針閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、球閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、微形過(guo)濾器和(he)壓(ya)(ya)(ya)(ya)(ya)力(li)表組(zu)成水(shui)力(li)控(kong)(kong)(kong)制(zhi)(zhi)接(jie)管(guan)系(xi)(xi)統。通(tong)過(guo)專門設(she)(she)計的導閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)控(kong)(kong)(kong)制(zhi)(zhi)室(shi)，對壓(ya)(ya)(ya)(ya)(ya)力(li)變(bian)(bian)化信號(hao)進(jin)行比較，輸(shu)出(chu)(chu)主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)開(kai)(kai)度(du)信號(hao)，控(kong)(kong)(kong)制(zhi)(zhi)主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)開(kai)(kai)度(du)，從而(er)控(kong)(kong)(kong)制(zhi)(zhi)主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)的進(jin)出(chu)(chu)口(kou)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)在(zai)設(she)(she)定(ding)值(zhi)(zhi)上。其工(gong)作(zuo)原理是，當主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)進(jin)出(chu)(chu)口(kou)間(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)變(bian)(bian)化時，接(jie)管(guan)A與接(jie)管(guan)B間(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)發生變(bian)(bian)化，此(ci)變(bian)(bian)導閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)的開(kai)(kai)度(du)。壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)大(da)時導閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)開(kai)(kai)度(du)大(da)，控(kong)(kong)(kong)制(zhi)(zhi)室(shi)通(tong)過(guo)C管(guan)的下泄水(shui)量增大(da)，主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)控(kong)(kong)(kong)制(zhi)(zhi)室(shi)壓(ya)(ya)(ya)(ya)(ya)力(li)下降，主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)開(kai)(kai)度(du)增大(da)，主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)進(jin)出(chu)(chu)口(kou)間(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)變(bian)(bian)小。反(fan)之，若(ruo)主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)進(jin)出(chu)(chu)口(kou)間(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)變(bian)(bian)小，則(ze)導閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)開(kai)(kai)度(du)變(bian)(bian)小，主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)控(kong)(kong)(kong)制(zhi)(zhi)室(shi)壓(ya)(ya)(ya)(ya)(ya)力(li)上升，推(tui)動主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)開(kai)(kai)度(du)減小而(er)使(shi)(shi)主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)增大(da)。這種負反(fan)饋作(zuo)用(yong)(yong)使(shi)(shi)主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)進(jin)出(chu)(chu)口(kou)間(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)穩定(ding)在(zai)社頂值(zhi)(zhi)上。設(she)(she)定(ding)針閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)開(kai)(kai)度(du)和(he)導閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)彈簧壓(ya)(ya)(ya)(ya)(ya)力(li)可設(she)(she)定(ding)主(zhu)(zhu)(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)進(jin)出(chu)(chu)口(kou)間(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)。本(ben)產品利(li)用(yong)(yong)水(shui)力(li)自力(li)控(kong)(kong)(kong)制(zhi)(zhi)，不需要其它裝置(zhi)和(he)能源，保養簡(jian)便，廣泛用(yong)(yong)于高(gao)層(ceng)建(jian)筑(zhu)、生活區(qu)等供(gong)(gong)水(shui)管(guan)網系(xi)(xi)統及城市供(gong)(gong)水(shui)工(gong)程。

壓差旁通(tong)閥要(yao)零件材質如下表(biao)：

二、壓(ya)差(cha)旁通閥800X主(zhu)要外(wai)形尺(chi)寸(cun)：