力士樂管式單向閥S10A3.0
武漢百士自動化設(shè)備有限公司專注于液壓、氣動、工控自動化備件銷售，熱誠歡迎新老客戶咨詢購買！
博世力士樂rexroth管式單向閥 博世力士樂rexroth管式單向閥
力士樂rexroth管式液壓閥 力士樂rexroth管式單向閥 力士樂流量閥
單向閥是氣流只能一個方向流動而不能反向流動的方向控制閥。其工作原理與液壓單向閥一樣。壓縮空氣從P口進(jìn)入，克服彈簧力和摩擦力使單向閥閥口開啟，壓縮空氣從P流至A；當(dāng)P口無壓縮空氣時，在彈簧力和A口(腔)余氣力作用下；閥口處于關(guān)閉狀 態(tài)，使從A至P氣流不通。單向閥應(yīng)用于不允許氣流反向流動的場合，如空壓機(jī)向氣罐充氣 時，在空壓機(jī)與氣罐之間設(shè)置一單向閥，當(dāng)空壓機(jī)停止工作時，可防止氣罐中的壓縮空氣回流 到空壓機(jī)。單向閥還常與節(jié)流閥、順序閥等組合成單向節(jié)流閥、單向順序閥使用。
5止回閥
止回閥用途廣，有很多種類，下面說的是供水和熱力常用的止回閥：
1、彈簧式：液體由下而上，依靠壓力頂起彈簧控制的閥瓣，壓力消失后，彈簧力將閥瓣壓下，封閉液體倒流。常用于通徑較小的止回閥。
2、重力式：和彈簧式相似，依靠閥瓣的自身重力封閉，防止倒流。
3、旋啟式：液體在閥體內(nèi)直通，依靠壓力頂開一側(cè)的旋轉(zhuǎn)閥瓣，壓力失去后，閥瓣依靠自重回位，反向的液體壓力封閉閥瓣。
4.塑料隔膜式: 外殼和隔膜均為塑料.一般外殼為ABS,PE,PP,NYLON, PC.隔膜有硅樹脂,氟樹脂等。
其它的單向閥（止回閥），如排污的止回閥，人防的防爆閥和液體使用的止回閥的原理是大同小異。
每個單向閥均在**工作壓力下用氮?dú)膺M(jìn)行密封性測試。
CV型
1.彈性密封圈閥座，無噪音，有效止回；
2.**工作壓力：207 bar (3000 psig)；
3.多種端接和閥體材料。
CH型
1.浮動密封圈，防止污染物影響密封；
2.**工作壓力：414 bar (6000 psig)；
3.多種端接和閥體材料。
CO型
1.一體式閥體，結(jié)構(gòu)緊湊；
2.**工作壓力：207 bar (3000 psig)；
3.多種端接和閥體材料。
COA型
1.一體式閥體，結(jié)構(gòu)緊湊；
2.**工作壓力：207 bar (3000 psig)；
3.多種端接和閥體材料。
CL型
1.**工作壓力：414 bar (6000 psig)；
2.多種端接和閥體材料；
3.聯(lián)合閥帽設(shè)計，更安全，全金屬結(jié)構(gòu)，水平方向安裝，閥帽螺母在上部。
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