1寸 DN25 304材質 不銹鋼五通止回閥 五通逆止閥具有止回閥(fa)(fa)功能、接壓(ya)力(li)罐接口，壓(ya)力(li)表(biao)接口，壓(ya)力(li)傳(chuan)感器接口使(shi)用(yong)(yong)(yong)方便，此閥(fa)(fa)可采用(yong)(yong)(yong)銅與不銹(xiu)鋼兩材(cai)質(zhi)，銅閥(fa)(fa)外(wai)(wai)部采用(yong)(yong)(yong)鍍鉻(ge)外(wai)(wai)觀看(kan)起來很有質(zhi)感，外(wai)(wai)觀看(kan)上(shang)去(qu)和不銹(xiu)鋼一(yi)樣，不銹(xiu)鋼采用(yong)(yong)(yong)304不銹(xiu)鋼材(cai)質(zhi)，內部密(mi)封采用(yong)(yong)(yong)高檔塑(su)材(cai)王，使(shi)用(yong)(yong)(yong)壽命更長！這(zhe)種(zhong)(zhong)類型的(de)(de)閥(fa)(fa)門的(de)(de)作用(yong)(yong)(yong)是(shi)只允許介質(zhi)向一(yi)個方向流(liu)動(dong)(dong)，而(er)且阻止方向流(liu)動(dong)(dong)。通常(chang)這(zhe)種(zhong)(zhong)閥(fa)(fa)門是(shi)自(zi)動(dong)(dong)工作的(de)(de)，在一(yi)個方向流(liu)動(dong)(dong)的(de)(de)流(liu)體壓(ya)力(li)作用(yong)(yong)(yong)下，閥(fa)(fa)瓣打(da)開；流(liu)體反方向流(liu)動(dong)(dong)時，由流(liu)體壓(ya)力(li)和閥(fa)(fa)瓣的(de)(de)自(zi)重合(he)閥(fa)(fa)瓣作用(yong)(yong)(yong)于閥(fa)(fa)座，從而(er)切斷流(liu)動(dong)(dong)。

1寸 DN25 304材質 不銹鋼五通止回閥 五通逆止閥(One-way valve)：止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)又稱(cheng)單(dan)向閥(fa)(fa)(fa)(fa)(fa)或逆止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)，其作(zuo)用(yong)是防止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)管(guan)路中(zhong)的介(jie)質(zhi)(zhi)倒流(liu)。水(shui)泵吸水(shui)管(guan)的底閥(fa)(fa)(fa)(fa)(fa)也屬(shu)于(yu)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)類(lei)。止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)按(an)結(jie)構劃(hua)分(fen)(fen)，可(ke)分(fen)(fen)為(wei)升(sheng)降(jiang)(jiang)式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)、旋啟(qi)式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)和(he)(he)蝶式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)三種(zhong)(zhong)(zhong)。升(sheng)降(jiang)(jiang)式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)可(ke)分(fen)(fen)為(wei)立式(shi)(shi)(shi)(shi)和(he)(he)臥式(shi)(shi)(shi)(shi)兩種(zhong)(zhong)(zhong)。旋啟(qi)式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)分(fen)(fen)為(wei)單(dan)瓣(ban)(ban)(ban)式(shi)(shi)(shi)(shi)、雙瓣(ban)(ban)(ban)式(shi)(shi)(shi)(shi)和(he)(he)多瓣(ban)(ban)(ban)式(shi)(shi)(shi)(shi)三種(zhong)(zhong)(zhong)。蝶式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)為(wei)直(zhi)通(tong)式(shi)(shi)(shi)(shi)、以(yi)上幾(ji)種(zhong)(zhong)(zhong)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)在(zai)連接(jie)(jie)(jie)形式(shi)(shi)(shi)(shi)上可(ke)分(fen)(fen)為(wei)螺(luo)紋連接(jie)(jie)(jie)、法(fa)蘭(lan)連接(jie)(jie)(jie)和(he)(he)焊接(jie)(jie)(jie)三種(zhong)(zhong)(zhong)。 　　啟(qi)閉件(jian)靠介(jie)質(zhi)(zhi)流(liu)動(dong)(dong)和(he)(he)力量自行開啟(qi)或關(guan)閉，以(yi)防止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)介(jie)質(zhi)(zhi)倒流(liu)的閥(fa)(fa)(fa)(fa)(fa)門叫止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)。止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)屬(shu)于(yu)自動(dong)(dong)閥(fa)(fa)(fa)(fa)(fa)類(lei)，主要用(yong)于(yu)介(jie)質(zhi)(zhi)單(dan)向流(liu)動(dong)(dong)的管(guan)道上，只允許介(jie)質(zhi)(zhi)向一(yi)個方向流(liu)動(dong)(dong)，以(yi)防止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)發生事故。編輯本段(duan)結(jie)構　　止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(Check Valve)：按(an)結(jie)構劃(hua)分(fen)(fen)，可(ke)分(fen)(fen)為(wei)升(sheng)降(jiang)(jiang)式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)、和(he)(he)蝶式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)三種(zhong)(zhong)(zhong)。升(sheng)降(jiang)(jiang)式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)可(ke)分(fen)(fen)為(wei)立式(shi)(shi)(shi)(shi)和(he)(he)直(zhi)通(tong)式(shi)(shi)(shi)(shi)兩種(zhong)(zhong)(zhong)。旋啟(qi)式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)分(fen)(fen)為(wei)單(dan)瓣(ban)(ban)(ban)式(shi)(shi)(shi)(shi)、雙瓣(ban)(ban)(ban)式(shi)(shi)(shi)(shi)和(he)(he)多瓣(ban)(ban)(ban)式(shi)(shi)(shi)(shi)三種(zhong)(zhong)(zhong)。蝶式(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)為(wei)碟式(shi)(shi)(shi)(shi)雙瓣(ban)(ban)(ban)、碟式(shi)(shi)(shi)(shi)單(dan)瓣(ban)(ban)(ban)、以(yi)上幾(ji)種(zhong)(zhong)(zhong)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)在(zai)連接(jie)(jie)(jie)形式(shi)(shi)(shi)(shi)上可(ke)分(fen)(fen)為(wei)螺(luo)紋連接(jie)(jie)(jie)、法(fa)蘭(lan)連接(jie)(jie)(jie)、焊接(jie)(jie)(jie)和(he)(he)對(dui)夾式(shi)(shi)(shi)(shi)連接(jie)(jie)(jie)四種(zhong)(zhong)(zhong)