詳細內容：博士柱塞泵-博士柱塞泵-博士柱塞泵 力士樂A4VG變量柱塞泵系列特點： 斜盤式軸向柱塞變量泵，用于閉式回路靜液壓傳動;流量與驅動轉速及排量成正比并可無級變量；流量隨斜盤擺角從零增加到其最大值；使斜盤擺過中位可以平穩(wěn)改變液流流動方向；易與各種控制和調節(jié)系統(tǒng)匹配的多種變量方式；泵在高壓油側配備兩個溢流閥來保護靜液壓傳動（泵和馬達）免于超載；高壓溢流閥同時也具有補油閥的功能；內置輔助泵用作補油泵和控制泵；最高補油壓力由一個內置補油溢流閥來限制；全系列帶有內置壓力切斷閥； 力士樂A4VG變量柱塞泵系列典型應用： 混凝土泵車、重型液壓平板車、液壓泵站 博世力士樂變量柱塞泵A4VG/VTG系列: BOSCH REXROTH A4VG28, A4VG40, A4VG45, A4VG56, A4VG71, A4VG90, A4VG125, A4VG180, A4VG250, A4VG355, A4VG500 & A4VTG28, A4VTG40, A4VTG45, A4VG56, A4VTG71, A4VTG90, A4VTG125, A4VTG180, A4VTG250, A4VTG355, A4VTG500 力士樂A4VG變量柱塞泵系列常用型號： A4VG28EP2D1/32R-NSC10F025D A4VG28EP2D1/32R-NSC10F045SH A4VG40EP2D1/32R NZC02F013SH A4VG56HD1D2/32R-NZC02F045S A4VG56EZ2DM1/32L-NSC02F003DH A4VG56EZ2DM1/32R-NSC02F023SP A4VG56EP4D1/32R-NSC02F003DP A4VG56EZ2DM1/32R-NSC02F023SH-K A4VG56HWDT1/32R-NZC02F016K-K A4VG56HD3D1/32L-NSC02F045D-K A4VG56EP2DM1/32R-NSC02F025PH A4VG71HWDL1/32R-NTF02F071S-S A4VG71EP2D1/32R-NZF02F021SH A4VG71DA1D2/32R NZF02F001 SH-S A4VG90HD1DT1/32L-NZF02F021L A4VG90EP2DT1/32L-NAF02F001DH-S A4VG90HWDL1/32R-NAF02071F-S A4VG90EP2D1/32R-NZF02FOO A4VG90EP2DT1/32R-NST-02F-071D A4VG90DA2DM8/32R-NSF03F-071MH A4VG90EP2DWM1/32R-NZF02F001DH A4VG90HWDL1/32R-NAF02F071D-s A4VG125DA2DM8/32R-NSF02F-071PP A4VG125EP2D1/32R-NZF02F021SH A4VG125DA2D2/32R-NAF02F691DH A4VG125DA2D2/32R-NAF02F021 A4VG125DA2DM8/324-NSF02F-071MH A4VG125DA2DM8/32R-NSF02F-071PP A4VG125HDMT1/32R-NSF02F021S-S A4VG125HDMT1+A4VG125HDMT1 A4VG125HD1DT1/32L-NZF02F A4VG125HD1D/32R-NSF0F691S A4VG125DA2D4/32RNZF02F001DH A4VG125EP2D1/32R-NSF02F011SQ A4VG180EP2D1/32R-NZD02F691SQ A4VG180EP0MT1/32R-NZS02F021SP-S A4VG180HD9MTE/32-NSD02F00 A4VG180HD3DT1/32L-NZD02F001L A4VG180HD/32+A10VO28DR/31-SK A4VG180HD3DT1/32R-NZD02F01XS-SK A4VG180HD1T/30R-PPB10N009N-S1053 A4VG250HD1D1/32R-NSD10F001D A4VG250EZ2D/32R-NZD10F001DH A4VG250EP2DM1/32R-NZD10K02XEH-S A4VG40ET2D1 32L-NUC02F005 A4VG56EP2DT1/32R-NAF02F011S A4VG71HWD1/32R-NZF001S A4VG71HWEL1/32R-NAF02F1D A4VG90DA2D6/31L-PZF02F301S A4VG90HWD1/32R-NZF001S A4VG90DA2D6/31L-PZF02F301S A4VG90EP2DT1/32R-NAP02F00 A4VG90HD1DT1/32R-NAF02F011D-K A4VG90DA2D6/31L-P2F02F301S A4VG90EP1DT1/32R-NAF02F071D A4VG125HDDT1/32R-NZF-02F011S A4VG125HD1P1/32R-NZD10F69 A4VG125HD1P1/32R-NSF02F011S-K A4VG125HD1DT1/32R-NSF02F011S-K A4VG125HD1DT1/32R-NZF02F011S A4VG125EP4DMT1/32L-NZF02F001FP A4VG125EP4D1/32L-NAF02F691DP +A11VO95LRDS/10L-NSD12N00 A4VG125EP4D1/32R-NAF02F691DP +A11VO95LRDS/10R-NSD12N00 A4VG180EP4D1/32R-NTD02F691DP +A11VO130LRDS/10R-NSD12K01-S A4VG180DA2D2/32L-NSD02F001DT A4VG180HD3DT1/32R-NZD02F01XS-SK A4VG180EP4DT1/32L-NZD02F001PP A4VG180DA2D2/32L-NZD02F001SH A4VG180DA2D2/32R-NZD02F041SH A4UG250HWD1/32R-NZD10F69 4VG125DA2D2/32L-NAF02F021DT A4VG250HD3D1/32R-NSD10F001D A4VG250EP4DMT1/32L-NZD10F001DH