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派克齒輪泵當(dāng)主控閥的控制腔（下腔）無負(fù)載傳感信號時，泵的所有流量經(jīng)閥1、閥2排回油箱；當(dāng)給此控制閥施加負(fù)載傳感信號時，泵向回路供液；當(dāng)泵的輸出壓力超過負(fù)載傳感閥的壓力預(yù)定值時，泵僅向回路提供工作流量，而多余流量經(jīng)閥2的節(jié)流位置旁通回油箱。帶負(fù)載傳感元件的齒輪油泵與柱塞泵相比，具有成本低、抗污染能力強(qiáng)及維護(hù)要求低的優(yōu)點。

PGP511B0040CS1D4NJ7J5S-511B004 P2075R00C1C25LA20N00S1A1U
PGP511A0330CS2D3NL2L2B1B1 P2075R00C1C21LA20N00A1A1U
PGP511A0330CK1H2NE6E5B1B1 P2060L00C1C25LA20N00B1A1U
PGP511A0330AS4D3NL2L2B1B1 PGP503A0016CP2D1NJ4J3B1B1
PGP511A0310AK1H2ND5D4B1B1 PGP503A0016AP2D1NJ2J1B1B1
PGP511A0280CS4D3NL2L2B1B1 PGP503A0008CV2P3XE2E2B1B1
PGP511A0230CS1D4NE6E5B1B1 PGP503A0008CP2D1NE2E2B1B1
PGP511A0230CL6H3NL2L2B1B1 PGM620B0210BD1H3HT1T1B1B1G4
PGP511A0230CF1D3NE5E3B1B1 PGM620A0290AM3H3NB1B1D5D5C4
PGP511A0230CA1H2NE5B1PAEM PGM517A0420BM1H1TD5D5B1B1C4
PGP511A0230AB1H5NP3P2B1B1 PGM517A0230CM1H3NJ7J7RDAGA3
PGP511A0220CK1H2NE5E3B1B1 PGM511D0150CR1*H2VD4D5B1B1B1
PGP511A0190CR1H2ME5E3B1B1 PGM511C0080CS1D4NJ5J7RDATB1
PGP511A0190CK1H2NE5E3B1B1 PGM511C0080AS1D4VG3J7RHXBB1
PGP511A0190CA1H2ND5D4B1B1 PGM511B0220BK1H2VD5D5B1B1B1
PGP511A0190CA1H2NB1B1E5E3 PGM511B0210CL7L3ND4D5B1B1B1
PGP511A0190AS4D3NJ9J8B1B1 PGM511B0190BS4D3NE3E3B1B1B1
PGP511A0190AS4D3NJ9J7B1B1 PGM511B0190BK1H2ND5D5B1B1B1
PGP511A0190AL6H2ND6D4B1B1 PGM511B0140CK1H2ND4D5B1B1B1
PGP511A0190AL1D3NK1K1B1B1 PGM511B0090BK1H2VD5D5B1B1B1
PGP511A0190AA1H3NE6E5RDAC PGM511A0220BS2D3NK1K1B1B1G4

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