電動兩通球閥概述:
電動兩通球閥是中央空調(diao)風機(ji)(ji)盤(pan)管的配套產品,由驅(qu)(qu)動(dong)器(qi)(qi)與閥體(ti)兩部分(fen)組成,驅(qu)(qu)動(dong)器(qi)(qi)由一個(ge)同(tong)步電機(ji)(ji)驅(qu)(qu)動(dong),具備彈(dan)簧復位及手(shou)動(dong)開閥杠桿(gan)操(cao)縱功能。閥體(ti)部分(fen)采用(yong)活塞(sai)式結構。電動(dong)閥可與溫(wen)控(kong)器(qi)(qi)配套使(shi)用(yong),由溫(wen)控(kong)器(qi)(qi)控(kong)制電動(dong)閥電機(ji)(ji),使(shi)閥門開或關,實(shi)現(xian)(xian)管道冷水或熱水的通或斷,再通過風機(ji)(ji)盤(pan)管送風,以實(shi)現(xian)(xian)溫(wen)度的自(zi)動(dong)調(diao)節。
1.用于控制(zhi)冷水(shui)或(huo)熱水(shui)空調系(xi)統(tong)管道的開啟(qi)或(huo)關閉(bi),達到控制(zhi)室溫(wen)之(zhi)目的。
2.驅動器(qi)由單項(xiang)磁滯同(tong)步馬達驅動,閥門彈簧(huang)復(fu)位,閥門不工作(zuo)(zuo)時處于常閉狀(zhuang)態,當需要工作(zuo)(zuo)時,由溫控(kong)器(qi)提供(gong)一個開啟信號(hao),使電(dian)(dian)動閥接通交流電(dian)(dian)源(yuan)而(er)動作(zuo)(zuo)。
3.開(kai)啟(qi)閥(fa)(fa)門,冷(leng)凍水或熱水進(jin)入風(feng)機盤(pan)(pan)管(guan),為房間提供冷(leng)氣或暖氣,當(dang)室溫達到溫控(kong)(kong)器(qi)設定(ding)值時,溫控(kong)(kong)器(qi)令(ling)電動閥(fa)(fa)斷電,復位(wei)彈簧使閥(fa)(fa)門關閉,從而(er)截斷進(jin)入風(feng)機盤(pan)(pan)管(guan)的水流,通過閥(fa)(fa)門關閉和開(kai)啟(qi),使室溫始(shi)終保(bao)持在溫控(kong)(kong)設定(ding)的溫度范圍內。
4.ZYFT系列電動閥的驅動器與閥門采用螺紋連接方式,可在(zai)閥門安裝之后,再安裝驅動器。現場裝配,接線(xian)靈活、方便。
執行器選(xuan)(xuan)用(yong)(yong)鑄(zhu)鋁(lv)支架及塑料外殼,體(ti)積(ji)小(xiao)、重量(liang)輕 ★選(xuan)(xuan)用(yong)(yong)永磁同(tong)步電(dian)機(ji),并帶有(you)磁滯離合(he)(he)(he)機(ji)構(gou)(gou),具有(you)可靠的(de)自我保(bao)護功(gong)能 ★適合(he)(he)(he)多種(zhong)控制信號:增量(liang)(浮點)、電(dian)壓(0~10V)、電(dian)流(liu)(4~20mA) ★具有(you)0~10V或(huo)4~20mA反饋信號(選(xuan)(xuan)配) ★傳動(dong)齒輪采用(yong)(yong)金屬齒輪,大大提高了驅動(dong)器的(de)使用(yong)(yong)壽命 ★功(gong)耗(hao)低、輸出力(li)大、噪音(yin)小(xiao) ★閥體(ti)有(you)鑄(zhu)銅、鑄(zhu)鐵、鑄(zhu)鋼、不銹(xiu)鋼多種(zhong)材質可供選(xuan)(xuan)擇,以適合(he)(he)(he)不同(tong)工作介質及溫度的(de)要(yao)求 ★閥體(ti)有(you)螺紋(wen)連接和(he)法(fa)蘭連接兩(liang)種(zhong),安(an)裝方便,其構(gou)(gou)造符合(he)(he)(he)IEC標準 ★閥體(ti)結構(gou)(gou)形式有(you)兩(liang)通(tong)(tong)閥(單(dan)座)、兩(liang)通(tong)(tong)平衡閥(平衡式)、三通(tong)(tong)合(he)(he)(he)流(liu)和(he)三通(tong)(tong)分(fen)流(liu)閥 它分(fen)為直動(dong)式和(he)先(xian)導(dao)式2種(zhong)。