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力士樂液控單向閥SL10PA1-4X/V
在管路中所使用的閥門品種繁多，結構各異，又是易損壞的管路附件，對每種閥門的檢修，應根據具體結構進行。
1：閥體和閥蓋的檢修 閥體和閥蓋是閥門外部的封閉殼體，用以承受介質的壓力，操作時的附加力，閥門其他零件重量，以及連接處法蘭或螺紋的緊力. 閥體和閥蓋要求有一定的強度和剛度，他們的損壞主要是介質腐蝕，沖蝕及機械損傷造成的局部缺陷，當因腐蝕或沖蝕造成壁減薄，以至影響到它們的強度和剛度時，則無法修理，應予以更換.
檢修時，閥體和閥蓋應先進行水壓強度試驗，再用水，壓縮空氣，煤油或其它介質檢驗其嚴密性. 閥體和閥蓋的缺陷一般采用補焊的方法，根據材質的不同選用相應的焊條和焊接工藝. 焊補前應將有缺陷的金屬清洗干凈，補焊后還應進行檢查和修整，并消除應力.
2：填料室的檢修 填料室的檢修包括填料更換和填料函部位檢查修理.選用填料時，必須考慮使用條件和介質情況.一般來說，油侵石棉盤根適用于一定溫度的空氣，蒸汽，水和重油產品.石墨石棉盤根可用于高溫高壓條件下，尤以夾有鋼絲的石墨石棉盤根耐壓力更佳.高溫并且溫度經常變化的介質可用石棉加鉛盤根.強腐蝕介質可用侵聚四氟乙烯石棉盤根或聚四氟乙烯編織.
博世力士樂液控單向閥 力士樂液控單向閥 博世bosch 力士樂液壓閥
力士樂液控單向閥SV/SL 力士樂液控閥
SV and SL型號
液壓先導單向閥
規格6至150
帶或不帶泄油口（只適用于6至10規格）
可進行預減壓（只適用于10至32規格）
底板安裝("P"):
規格6：安裝面按DIN 24340 A型和ISO 4401，底板參見RE 45052
規格10至32：安裝面按DIN 24340 A型和ISO 4401，底板參見RE45062
螺紋連接("G") （只適用于規格10至32）
法蘭連接("G") （只適用于52至150規格）
連接法蘭參見RE 45501
多個開啟壓力
力士樂液控單向閥SV 博世力士樂液控閥
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