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(diǎn)。在閉式系統(tǒng)上應(yīng)用,油泵變量過零位時一般柱塞泵都有托盤現(xiàn)象,唯獨(dú)D-A4VSO泵有效解決此類問題,因補(bǔ)油泵、控制泵可以串接、控制閥可以集成在泵蓋上,其結(jié)構(gòu)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(yīng)用于:冶金行業(yè)、鍛壓行業(yè)、船舶行業(yè)、船舶等等領(lǐng)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(fù)載感應(yīng)、比例、伺服、壓力流量復(fù)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,
A16-F-R-01-B-K-32,A16-F-R-01-C-K-32,A16-F-R-01-H-K-32,
A22-F-R-01-B-K-32,A22-F-R-01-C-K-32,
A37-F-R-01-B-K-32,A37-F-R-01-C-K-32,A37-F-R-01-H-K-32,
A56-F-R-01-B-K-32,A56-F-R-01-C-K-32,A56-F-R-01-H-K-32,
A220-F-R-01-B-S-60,A220-F-R-01-C-S-60,A220-F-R-01-H-S-60,A220-F-R-01-K-S-60.
A125-F-R-01-B-S-60,A125-F-R-01-C-S-60,A125-F-R-01-H-S-60,A125-F-R-01-K-S-60.
A16-F-R-01-B-S-K-32,A16-F-R-01-C-S-K-32,A16-F-R-01-H-S-K-32,
A22-F-R-01-B-S-K-32,A22-F-R-01-C-S-K-32,
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,
A70-LR01BS-60,A70-LR01CS-60,A70-LR01HS-60,A70-LR01KS-60,
A90-LR01BS-60,A90-LR01CS-60,A90-LR01HS-60,A90-LR01KS-60,
A145-LR01BS-60,A145-LR01CS-60,A145-LR01HS-60,A145-LR01KS-60,
A16-L-R-01-B-K-32,A16-L-R-01-C-K-32,A16-L-R-01-H-K-32,
A22-L-R-01-B-K-32,A22-L-R-01-C-K-32,
A37-L-R-01-B-K-32,A37-L-R-01-C-K-32,A37-L-R-01-H-K-32,
A56-L-R-01-B-K-32,A56-L-R-01-C-K-32,A56-L-R-01-H-K-32,
A220-L-R-01-B-S-60,A220-L-R-01-C-S-60,A220-L-R-01-H-S-60,A220-L-R-01-K-S-60.
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.
A16-L-R-01-B-S-K-32,A16-L-R-01-C-S-K-32,A16-L-R-01-H-S-K-32,
因此標(biāo)準(zhǔn)中明確規(guī)定在接通電流1分鐘后讀數(shù)(即正達(dá)1分鐘時讀數(shù)),1分鐘讀數(shù)既保證了非泄漏電流大部分已消失,又使測量時間有了統(tǒng)一,使數(shù)值具有重復(fù)性和可比性。第1次和第3次的數(shù)據(jù)表明隨著溫度的升高絕緣電阻迅速下降,這是因為隨溫度的升高,絕緣材料中的雜質(zhì)離子運(yùn)動速度加快,使得電導(dǎo)增大,絕緣電阻下降,溫度與絕緣電阻的關(guān)系近似符合指數(shù)關(guān)系。因此測量時,必須嚴(yán)格控制溫度,長度的不同絕緣電阻測量值也不同,這是因為絕緣電阻與長度成反比,測量電線長度時,誤差要控制在1%內(nèi)。