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A4VSO泵具有泵具有噪音低、體積小、自吸能力好、可靠性高等優(yōu)點。在閉式系統(tǒng)上應用，油泵變量過零位時一般柱塞泵都有托盤現象，唯獨D-A4VSO泵有效解決此類問題，因補油泵、控制泵可以串接、控制閥可以集成在泵蓋上，其結構非常緊湊;另外，比例泵均帶有位移傳感器閉式反饋回路，其零位控制精度非常高。廣泛應用于：冶金行業(yè)、鍛壓行業(yè)、船舶行業(yè)、船舶等等領域。A4VSO系列規(guī)格有40、71、125、180、250:;變量形式有恒壓，恒功率、液動、負載感應、比例、伺服、壓力流量復合控制形式;有開式系統(tǒng)泵和閉式系統(tǒng)泵。A10-FR01B-12,A10-FR01C-12,A10-FR01H-12,
A70-FR01BS-60,A70-FR01CS-60,A70-FR01HS-60,A70-FR01KS-60,
A90-FR01BS-60,A90-FR01CS-60,A90-FR01HS-60,A90-FR01KS-60,
A145-FR01BS-60,A145-FR01CS-60,A145-FR01HS-60,A145-FR01KS-60,

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A16-F-R-01-B-S-K-32,A16-F-R-01-C-S-K-32,A16-F-R-01-H-S-K-32,
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A37-F-R-01-B-S-K-32,A37-F-R-01-C-S-K-32,A37-F-R-01-H-S-K-32,
A56-F-R-01-B-S-K-32,A56-F-R-01-C-S-K-32,A56-F-R-01-H-S-K-32,

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A145-LR01BS-60,A145-LR01CS-60,A145-LR01HS-60,A145-LR01KS-60,

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A125-L-R-01-B-S-60,A125-L-R-01-C-S-60,A125-L-R-01-H-S-60,A125-L-R-01-K-S-60.

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使用優(yōu)點雙重的密封設計(波紋管+填料)若波紋管失效，閥桿填料也會避免；外泄漏，并符合密封標準；沒有流體損失，降低能源損失，提高工廠設備安全；使用壽命長，減少維修次數，降低經營成本；堅固耐用的波紋管密封設計，保證閥桿的零泄漏，提供無需維護的條件。結構與安裝注意事項內外螺紋截止閥的安裝與維護應注意以下事項：手輪、手柄操作的內外螺紋截止閥可安裝在管道的任何位置上。手輪、手柄及微動機構，不允許作起吊用。