Parker派克比例換向閥D91F系列是一種帶有集成的電子元件的高動態(tài)特性的流量閥和方向閥的集成調節(jié)閥，由比例電磁鐵控制帶電反饋的直動型比例換向閥，可以同時控制液流的流量及流動方向。該閥主級的閥芯位置可調，內部結構可分滑閥位置反饋、載荷壓力反饋和載荷流量反饋；閥的級數(shù)可分單級、雙級和多級，適用于閉環(huán)控制回路和動態(tài)的位置調節(jié)，廣泛應用在機床、輕工、冶金、礦山、航天等行業(yè)液壓系統(tǒng)中。

美國PARKER派克D91F系列比例閥:

D91FHE01H1NB00+5004072,D91FHE01H1NE00+5004072
D91FHE02H1NE00+5004072,D91FHE02H1NE0048+5004072
D91FHE02H1NB00+5004072,D91FHE02H1NB0048+5004072
D91FHE01F1NE00+5004072,D91FHE01F1NE00X760+5004072 
D91FHE01H2NB00,D91FHE01H2NE00,D91FHE01H4NB00
D91FHE02H1NB00+5004072,D91FHE02H2NB00
D91FHE02H4NB00,D91FHE01H1NB0048,D91FWB32HC2VLW0,D91FWB32HC4NLW0
D91FBE01EC1NJW0,D91FHE01H1VB00,D91FHB31F1NE00,D91FHB31F2NB00
D91FHB34H4NB00,D91FHB84H5NB00,D91FHB32H1NB00 ,D91FHB31H2NB00
D91FTE01HC1NG00(升級為D91FBE01HC1NG00)
D91FTE01HC4NF00(升級為D91FBE01HC4NF00)
D91FTE01HC4NG00(升級為D91FBE01HC4NG00)
D91FTE01HC1NF00(升級為D91FBE01HC1NF00)
D91FTE02HC4NG00(升級為D91FBE02HC4NG00)
D91FTE02HC4NF00(升級為D91FBE02HC4NF00)
D91FTE02HC1NF00(升級為D91FBE02HC1NF00)
D91FTE02HC1NG00(升級為D91FBE02HC1NG00)
D91FTB31HC2NG00(升級為D91FBB31HC1NG00)
D91FTB31HC4NG00(升級為D91FBB31HC1NG00)
D91FTB32HC4NF00(升級為D91FBB32HC4NF00)
D91FTB32HC4NG00(升級為D91FBB32HC4NG00)
D91FTB31HC1NF00(升級為D91FBB31HC1NF00)
D91FTB31HC1NG00(升級為D91FBB31HC1NG00)
D91FTB31HC4NF00(升級為D91FBB31HC1NF00)
D91FTB31HC4NG00(升級為D91FBB31HC1NG00)
D91FTB31HC2NF00(升級為D91FBB31HC1NF00)
D91FTE01HC4NKW0(升級為D91FBE01HC4NKW0)
D91FBB32HC2NS00(老型號D91FTB32HC2NS00)
D91FBB32HC2NG00(老型號D91FTB32HC2NG00)
D91FBB32HC1NG00(老型號D91FTB32HC1NG00)
D91FBB32HC1NF00(老型號D91FTB32HC1NF00)