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派克PARKER比例閥*/價格好/貨期短
閥對流量的控制可以分為兩種。一種是開關控制，一種是連續(xù)控制，伺服閥和其它閥不同的是，它的能量損失更大一些，因為它需要一定的流量來維持前置級控制油路的工作。一種是開關控制：要么全開、要么全關，流量要么zui大、要么zui小，沒有中間狀態(tài)，如普通的電磁直通閥、電磁換向閥、電液換向閥。另一種是連續(xù)控制：閥口可以根據需要打開任意一個開度，由此控制通過流量的大小，這類閥有手動控制的，如節(jié)流閥，也有電控的，如比例閥、伺服閥。
水泥廠常用D41FH比例閥：D41FHB31E1NE00，D41FHE01F1NE00，D41FHB31C1NE00、D41FHB31F1NE00、D41FHE01C1NE00、D41FHE01E1NE00
鋼廠常用派克PARKER比例閥：D31FBE01CC4NF00、D31FBE01CC1NF00、D41FBE01FC1NF00、D41FBE01FC1NF00
電廠常用PARKER派克比例閥：D31FHE02C1NB00
派克PARKER比例(換向)閥部分常規(guī)*型號有：
D111FBB32LC2NF00
D111FBE01LC1NS00
D111FBE01LC4NF00
D111FHB31L1NB00
D111FHB31L1NE00
D111FHB32L1NB00
D111FHB32L2NE00
D111FHE01L1NB00
D111FHE01L2NB00
D111FHE01L4NB00
D1FBB31HC0NMW0
D1FBB32FC0NS00
D1FBB32HC0NS00
D1FBE01CC0NS00
D1FBE01FC0NF00
D1FBE01FC0NG00
D1FBE01FC0NMW0
D1FBE01FC0VF00
D1FBE01FK0NF00
D1FBE01HC0NF00
D1FBE01HC0NMW0
D1FBE01HE0NMW0
D1FBE01KK0NJW3
D1FBE02CC0NMW0
D1FBE02CC0NS00
D1FBE02FC0NF00
D1FBE02FC0NS00
D1FBE02HC0VMW0
D1FBE02KC0NF03
D1FBE02KC0NS03
D1FHE50DCNBJ00
D1FHE50HCNBJ00
D1FHE80DCVBJ00
D1FHE80MCNBJ00
D1FPE01BC9NB00
D1FPE01GC9NB00
D1FPE01MC9VB00
D1FPE02MC9NB00
D1FPE02MC9NB70
D1FPE02MC9NS00
D1FPE50BB9NS00
D1FPE50FB9NS00
D1FPE50HB9NS00
D1FPE50MA9NB00
D1FPE50MA9NS00
D1FPE50MB9HB70P50
D1FPE50MB9HE00X807
D1FPE50MB9NB00
D1FPE50MB9NE50
D1FXE01FCNBJ00
D31FBB31CC1NKW0
D31FBB31CC4NG00
D31FBB31EC4NS00
D31FBB32CC4NG00
D31FBE01CC1NF00
D31FBE01CC1NG00
D31FBE01CC1NKW0
D31FBE01CC1VF00
D31FBE01CC2NF00
D31FBE01CC4NF00
D31FBE01CC4NG00
D31FBE01DC2NF00
D31FBE01DC4NF00
D31FBE02CC1NF00
D31FBE02CC1NKW0
D31FBE02CC2NKW0
D31FBE02CC4NG00
D31FBE02CC4NKW0
D31FBE02CC4VF00
D31FBE02DC4NF00
D31FBE02DC4NKW0
D31FHB32C4VS00
D31FHB63A5NB00
D31FHE01A4NB00
D31FHE01C1NE00
D31FHE01C4NB00
D31FHE02A1NB00
D31FHE02C1NB00
D31FHE02C1NS00
D31FHE02C2VS00
D31FHE50A4NB00
D31FPB31EC2VK00
D31FPE52EB4NK00
D31FPE52EB5NK00
D36FHE01D4NB00
D3FBB32MC0NF00
D3FBB32MC0NS00
D3FBB32SC0NS00
D3FBE01MC0NF00
D3FBE01MC0NG00
D3FBE01MC0NJW0
D3FBE01MC0VG00
D3FBE01SC0NF00
D3FBE01SC0NG00
D3FBE01SC0NJW3
D3FBE01SE0NKW0
D3FBE02MC0NF00
D3FBE02SC0NF00
D3FBE02SC0NJW3
D3FBE02SC0NKW0
D3FBE02SC0VKW0
D3FPB32YC9VS00
D3FPE01PC9NB00
D3FPE01PC9VB00
D3FPE02YC9NB00
D3FPE50PA9NB00
D3FPE50PB9NB00
D3FPE50YA9NB00
D3FPE50YA9NE00
D3FPE50YB9NS00
D3FXE01HCNBJ00
D3FXE01MCVDJ00
D41FBB31FC4NF00
D41FBB31FC4NG00
D41FBB32CC1NS00
D41FBB32CC2NS00
D41FBB32FC1NF00
D41FBB32FC1NG00
D41FBB32FC1NS00
D41FBB32FC1VF00
D41FBB32FC2NF00
D41FBB32FC4NG00
D41FBB32FC4NJW0
D41FBB32FC4VF00
D41FBB32FC5NJW0
D41FBE01CC1NJW0
D41FBE01FC1NF00
D41FBE01FC4NF00
D41FBE01FC4NKW0
D41FBE01FC4VKW0
D41FBE01FC5NG00
D41FBE02CC1NF00
D41FBE02CC1NM00
D41FBE02FC1NF00
D41FBE02FC1NG00
D41FBE02FC1NKW0
D41FBE02FC1NM00
D41FBE02FC2NKW0
D41FBE02FC4NF00
D41FBE02FC4NKW0
D41FHB31C1NB00
D41FHB31C1NE00
D41FHB31C4NE00
D41FHB31E1NB00
D41FHB31E1NE00
D41FHB31E4NE00
D41FHB31F1NE00
D41FHB31F1NS00
D41FHB31F2NB00
D41FHB31F2NE00
D41FHB31F4NE00
D41FHB32B5NB00
D41FHB32C1NB00
D41FHB32C1NS00
D41FHB32C2NB00
D41FHB32E2NB00
D41FHB32F2NB00
D41FHB61F1NB00
D41FHE01B1NE00
D41FHE01B2NB00
D41FHE01B4NB00
D41FHE01C1NB00
D41FHE01C1NE00
D41FHE01C4NB00
D41FHE01C4NE00
D41FHE01E1NB00
D41FHE01E1NE00
D41FHE01E4NB00
D41FHE01E4VB00
D41FHE01F1NE00
D41FHE01F1VB00
D41FHE01F4NB00
D41FHE02B4NB00
D41FHE02C2VS00
D41FHE02E1NB00
D41FHE02F1NB00
D41FHE02F1NE00
D41FHE52F1NB00
D41FPB61FB4NK70
D41FPE02FC1NK00
D41FPE52FC2NK00
D41FPZ61FB1NK0L
D81FHB11H1NS00
D81FHB32F2NS00
D81FHB32F2VS00
D81FHB32H1NE00
D81FHE01E4NB00
D81FHE01F1NE00
D81FHE01F4NB00
D81FHE01F4NS00
D81FHE02F1NS00
D81FHE52H2NB00
D91FBB31HC1NF00
D91FBB31HC4NF00
D91FBB32HC1NF00
D91FBB32HC1NKW0
D91FBB32HC1NS00
D91FBB32HC2NG00
D91FBB32HC2NKW0
D91FBB32HC2NS00
D91FBE01HC1NF00
D91FBE01HC1NJW0
D91FBE01HC4NF00
D91FBE01HC4NKW0
D91FBE02HC1NF00
D91FBE02HC1NG00
D91FBE02HC2NG00
D91FBE02HC2NKW0
D91FBE02HC2NS00
D91FBE02HC4NG00
D91FBE02HC4NJW0
D91FBE02HC4NKW0
D91FHB31H2NB00
D91FHB31H2NE00
D91FHB32H2NB00
D91FHB32H2NE00
D91FHE01F1NE00
D91FHE01H1NB00
D91FHE01H2NE00X726
D91FHE02H2NE00
D91FPB61HB2NK00
D96FHE01H2NB00
*/價格好/貨期短