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美國PARKER派克齒輪泵是依靠泵缸與嚙合齒輪間所形成的工作容積變化和移動(dòng)來輸送液體或使之增壓的回轉(zhuǎn)泵。由兩個(gè)齒輪、泵體與前后蓋組成兩個(gè)封閉空間，當(dāng)齒輪轉(zhuǎn)動(dòng)時(shí)，齒輪脫開側(cè)的空間的體積從小變大，形成真空，將液體吸入，齒輪嚙合側(cè)的空間的體積從大變小，而將液體擠入管路中去。吸入腔與排出腔是靠兩個(gè)齒輪的嚙合線來隔開的。派克齒輪泵的排出口的壓力*取決于泵出處阻力的大小。

美國PARKER派克型號如下：

PGP511B0045CS2D3NE3E3S-511A004 P2145R00C1C23LA20N00S1B1U
PGP511A0330AL6H2ND5*D4*B1B1 P2075R00C1C32TC20N54C3A1U
PGP511A0330AC1H2NB1B1D5D4 P2060R00C1C32RA20N00S1B1U
PGP511A0310CL6D4NJ7J5B1B1 P2060L00C1C25LA20N00C3A1U
PGP511A0310CL1H2NE6E5B1B1 PGP500080AA1H2NE5E3B1B1
PGP511A0310CK7H2NL2L2B1B1 PGP500070CK1H2NE5E3B1B1
PGP511A0290AC1H3ND7D5B1B1 PGP500060AK1H2NE5E3B1B1
PGP511A0270CS2D3NL2L2B1B1 PGP500050CA1H2ND5D4B1B1
PGP511A0270CS2D3NE6E5B1B1 PGP500040AZ1Z2WD2D2B1B1
PGP511A0270CL1H2ND6D5B1B1 PGP503B0079CP2D1NE3E2S-503A003
PGP511A0270CA1H2NP3P2B1B1 PGP503A0048CP2D1VJ4J3B1B1
PGP511A0270CA1H2ND6D5UAAA PGP503A0048CP2D1NE3E2B1B1
PGP511A0230CS3T1MJ7J5B1B1 PGP503A0043AV1P5NG3G3RJAD
PGP511A0230CK1L2ND5D4B1B1 PGP503A0043AV1P1NB1B1E1B1
PGP511A0230CA1H2ND5D4RMBP PGP503A0043AP2D1NJ4J3B1B1
PGP511A0230AF1D3NL2L1B1B1 PGP503A0021CH1H1ND3D2B1B1
PGP511A0230AC1H2ND6D4D5D4-MUNC PGP503A0012CP2D1NE2E2B1B1
PGP511A0230AA1H2ND5D4B1B1 PGP503A0012CH1H1NE2E2B1B1
PGP511A0220CC2H2NE6B1QAAG PGP030B478BIAB20-25CAB20-1C
PGP511A0210CK1H2VD6D5B1B1 PGM620C*0520CM3H3NS3S3B1B1C4
PGP511A0200AB1H2VF6F5B1B1 PGM620A0330BD1H3HE5E5B1B1G4
PGP511A0195CS9L2ND6D5D5D4-MUNC PGM517A0330BR3H3ND6D7B1B1C3

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