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減壓閥是通過調節，將進口壓力減至某一需要的出口壓力，并依靠介質本身的能量，使出口壓力自動保持穩定的閥門。從流體力學的觀點看，減壓閥是一個局部阻力可以變化的節流元件，即通過改變節流面積，使流速及流體的動能改變，造成不同的壓力損失，從而達到減壓的目的。然后依靠控制與調節系統的調節，使閥后壓力的波動與彈簧力相平衡，使閥后壓力在一定的誤差范圍內保持恒定。調壓步驟
1、關閉減壓閥前的閘閥，開啟減壓閥后的閘閥，制造下游低壓環境；
2、將調節螺釘
減壓閥
減壓閥
按逆時針旋轉至最上位置（相對最低出口壓力），然后關閉減壓閥后閘閥；
3、慢慢開啟減壓閥前的閘閥至全開；
4、順時針慢慢旋轉調節螺釘，將出口壓力調至所需要的壓力（以閥后表壓為準）；調整好后，將鎖緊
螺母鎖緊，打開減壓閥后閘閥；
5、如在調整時出口壓力高于設定壓力，須從第一步開始重新調整，即只能從低壓向高壓調。
主要作用
減壓閥的作用原理是靠閥內流道對水流的局部阻力降低水壓，水壓降的范圍由連接閥瓣的薄膜或活塞兩側的進出口水壓差自動調節。定比減壓原理是利用閥體中浮動活塞的水壓比控制，進出口端減壓比與進出口側活塞面積比成反比。這種減壓閥工作平穩無振動；閥體內無彈簧，故無彈簧銹蝕、金屬疲勞失效之慮；密封性能良好不滲漏，因而既減動壓（水流動時）又減靜壓（流量為0時）；特別是在減壓的同時不影響水流量。
水流通過減壓閥雖有很大的水頭損失，但由于減少了水的浪費并使系統流量分布合理、改善了系統布局與工況，因此總體上講仍是節能的。介質為蒸汽的場合，宜選用先導活塞式減壓閥或先導波紋管式減壓閥。為了操作、調整和維修的方便，減壓閥一般應安裝在水平管道上。
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地址：武漢市武昌區白沙洲觀瀾天地三棟809室PV140R1K1T1NKLC、PV140R1K1T1PFWS、PV140R1K1T1N000
派克PARKER減壓閥VMY160H10V1P
PV140R1K1T1NFR1
pV140R9K1T1NFWS
PV140R1F1T1NMRZ
D41FHB31C1NE00 D41FHB31E1NB00
D91FBE01HC4NF00 D91FHB31F1NE00
派克丹尼遜柱塞泵PV6-2R1E-C00特價，油田備貨
T6CC-031-008-1R00-C110
D111FBB32LC1NG00 D111FHE01L4NB00
PV140R1D1T1NUCB
D41FBB32FC2NF00D41FBE01FC1NF00
PV046R1K1T1NFWS
PAVC100R4222
D91FBE01HC4NF00 D91FTE01HC4NF00
PV140R1D1T1NYCC
D81VW4C4NJP、D3W20BNJP
PV140R1K1TINFR1
PV140R1K1T1WMR1老型號
D81VW4C4NJP、D3W20BNJP
R1E02 2511 A1
溢流閥631B-4-3/4-2
PV140R1D3DFNFWS
D1FBE01CC0NS00-16
FM3DDSV
PARKER 派克柱塞泵PAVC65B2L4AP13
PV140R1D1T1NUCB
RDM2PT35KVG15
D41FHB31F1NE00 DD41FHE01E1NE00
D81VW20B4NJP、D1VW004CNJP
派克比例閥D91FBE01HC1NG00
PV140R1K1T1NMMC現貨派克PARKER
PV140R1D1T1NWCC
派克比例閥D41FHB31C1NB00
PV140R9K1T1NMMC升級型號
PV180R1K1S1NFWS
派克PARKER減壓閥VMY160H10V1P
D91FBE01HC1NF00 D41FHE01C1NB00 D41FHE01C1NE00
R4U10  533 30  A1
D91FBE01HC1NF001
D41FBE01FC1NF00
PV140R1K1T1NMMC現貨派克PARKER
PV080R1K1T1NMMC
PV180R1K1T1NMMC
PV140R1K8T1NMMC
D1VW001FNJW91PV016R1K1T1NMMC
派克變量柱塞泵PAVC65R4213特價，
PARKER柱塞泵PV140R1K8T1NFWSPARKER派克柱塞泵
PV270R1K1T1NMMC現貨
TE0330AW260AAAA
D41FHB31C1NE00
PV016R1K1T1NMMC
PV140R1D3CDNMR1
D1VW20BNTP70
D41FBE01FC1NF00 D41FHB31E1NE00
D3DW071HNJW
PV180R1K1T1NMFC
PV140R1E1T1NMTP
D1VW20HNJW+
PV016R1K1TINFR1
T6DCC-038-010-006-3L04-A101
D41FSE02C4NXW039
D41FHE02E1NB00 D31FHE01C4NB00
D31FBE01CC4NF00
PV016R1K1T1NMMC
D41VW3C1NJW89++
PV023R1K1T1NFWS
PV140R1F3T1NTCC
PV140R1F3T1NTCC
D41FHB31E1NB00 D41FHB31E1NE00 D41FHB31F1NB00
PV140R1D1T1NFPV
PV140R1K1T1NMMK
D3W20DNJP
PV016R1K1AYVMMC
PV140L9L1L1NWCCK0172
PV140R1K8T1NMMC原裝
PV140R1K1T1NMMK、PV140R1K1T1NMMW、PV140R1K1T1NWCC
派克比例換向閥D41FTE01FC2NF0038
D41FHB31C1NE00
PV092R1K1T1NMMC
PV180R1K8S1NFWS
溢流閥631B-4-3/4-2
PV032R1K1H5NPTZ、PV032R1K1H5NPTZ
RDM2PT21SVG
D31FHE01A4NB0047
T6DCC-038-010-006-3L04-A101
派克PARKER柱塞泵
PV092R1K1T1NMMC

PV140R1K1T1NFR1
PV140R1K1T1NFWS
D41FBE01FC4NF00
派克PARKER柱塞泵
D31FHE02C1NB00
PV140L1K1T1NFWS
D31FBE01CC4NF00
PARKER 派克閥D1VW020DNJW
PV140R1K1T1NMR1
D41FHB31E1NE00
D91FBE02HC4NF00 D31FTE01CC1NF00
DSDA1002P07K
T6DC-038-022-3R09-B1
PV140R1K1T1NMMW
D31FBE01CC1NF00 D31FBE01CC1NG00 D41FBE01FC1NG00
R4U10  533 10 A1 099      
PV180R1K1T1NMFC
派克比例換向閥D41FBE01FC4NF00
D41FBE02FC1NF00
PV140R1F3T1NUPM
PV140R1K1T1NMR1
D41FTE01FC1NF00
D31FHE02C1NB00
SCPSD-400-14-15+SCK-400-05-55
PV140R1K1T1PFWS
DWEE527P20ELAF、DWLC525P15E
T6ED-052-045-1L01-B1
SCPSD250-14-15+SCK400-02-55
PARKER 派克液壓泵PV6 2R1E C02
PARKER 派克馬達TG0530MW460AAAB
D1VW008CNJW
D31FHE02C1NBOO+5004072
PV140R1K8T1NFWS升級型號PV140R1K8T1NMMC
RS10M25S4SN1JW40、RS10R25S4SN1JW
D91FBE01HC4NF00 D91FHB31F1NE00
PV080R1K1T1NFWS
PV016R1K1AYVMMC
D3DW11CNJW、D3DW20DVJP
原裝派克油泵PV180R1K1T1WMMC
RDM2PT21SVG
VICKERS威格士泵PVH141R13AG30BAB010A
D31FHE01A4NE00 D91FBE02HC4NF00
PRDM3AA21SVG
PV063R1K1T1NMMC
parker派克比例閥D31FHE01A4NE00
PV063R1K1TINFR1
PS100-POHO DB
F12-060-RS-SV-T-000-000-0
PV092R1K1T1NFWS
D3W4CNJW30
PV140R1K1T1NFHS
PV080R1K1T1NMMC
T6ED-045-028-1L01-B1
PARKER柱塞泵PV140R1K8T1NFWSPARKER派克柱塞泵
PARKER派克柱塞泵PV046R1K1T1WMMC
R4R10-53311-B1
D3W020BNYW
PARKER比例換向閥D41FTE01FC1NF00
D31FHE02C1NB00 D31FBE02CC1NF00
EVSA315A101
PV140R1K1T1NWCC
PV140R1D3BBNFWS
PAVC100R4222
PVLC1126097
PV140R1K1T1NMMW
PV140L1K1T1NMMC
PV032R1K1H5NPTZ、PV032R1K1H5NPTZ
PV140R1K8T1NFHS
PCDOOA-400
EVSA315A101
派克PARKER柱塞泵PV140R1K1T1NMMC現貨
派克PARKER比例減壓閥DWLC522P20B
D91FBE01HC4NF00 D91FTE01HC4NF00
D41FBE01FC4NF00
PV140R1K1T1NWCC
D41FHB31E1NE00
PV140R1K1T1WMMC
PARKER 派克閥D3W020BNJW
D41FHB31E1NB00 D41FHB31E1NE00 D41FHB31F1NB00
PV140R1F1T1NFWS
PV140R1K1T1NMR1
PV140R1K1T1WMR1老型號
D1FVE02BCVF0A      
D41FHB31E1NE00 D41FHB31F1NB00
D41FHB31E1NE00
派克parker比例方向閥D31FHE01A4NE00
PV092R1K1T1NMMC
PWD00A-400
派克比例換向閥D41FBE01FC4NF00
RS10R17S4SN1TP、PRDM3PP16SVG、
PV270R1K1T1NMMC
D3FBE02SC0VKW012
T6C-005-1R01-B1
PV180R1L1T1NUPR
PV140R1K8S1NFWS
D91FBE01HC1NF00 D41FHE01C1NB00 D41FHE01C1NE00
D91FBE01HC1NF00
PV140R1F1T1NYCC
派克電磁換向閥D3DW1CNJP
CPOM4DDHTV25
D31FBE01CC4NF00
D1VW20HNJW+
D41FHE01E1NB00
D41FHB31E1NE00
PV180R1K1T1NMMC
PV140R1F3A1NFPR
PV180R1K1T1NFWS
D91FBE01HC4NF00 D91FHB31F1NE00
D3W20DNJP
C5V10-611-B1 (026-67051-0)
PV140R1K8T1NMMC
FM4DDFVHT
PV180R1K1S1NFWS
PCDOOA-400
TG0625BS020AAAB
PV140R1K1T1NMMK
PARKER 派克閥D1VW006CNJW
TE0330AW260AAAA
D1VW20HNJW+
PV140R1K1T1NFHS派克
D41FHB31F1NE00
原裝PV140R1K1T1NMR1派克柱塞泵
PZD00A-400-14
D41FHE01F1NE00 D41FHE01F4NB00 D91FBB32HC4NG00
PARKER柱塞泵PV140R1K1T1NMMC
PARKER 派克柱塞泵PV063R1E8T1NMMC
TG0625BS020AAAB
PV032R1K1AYNMTP+ PGP511A0080CA1H2NL1L1B1B1
PVLC1126097
D1VW006CNJW
D31FTE01CC1NF00 D111FBB32LC1NG00
PAVC65R4213
原裝派克柱塞泵PV016R1K1T1NMMC
D41FHB31E1NE00
PV080R1K1T1NMMC
PV092R1K1T1NFWS
D41FBB32FC2NF00D41FBE01FC1NF00
C4VO6 5932 B1     016-88588-0
PV023R1K1T1NFWS
PV140R1K4T1NMMC派克
PV140R1D3CDNMR1
PV140R1K1T1NWCC
D1SE83BNJP
D1VW20BNTP70
PV080R1K1T1NMMC
RB2
PV140R1K1T1NMR1
派克PARKER電磁閥D3W4CNJP
D31FTE01CC1NG00
PV016R1K1T1NMMC
PARKER 派克柱塞泵PV270R1K1T1WMMC
PV140R1K1T1NFR1
PV140R1K8T1NFWS
PRDM2AA06SVG
PV270R1K1T1NMMC現貨
D41FBE01FC1NF00 D41FHB31E1NE00
D41FHB31E1NE00
PV140R1D1T1NSLC
PV140R1K1T1NFR1
ZUDB1PT2Z07K
D41FHE01C4NB00D41FTB32FC1NF00
PV092R1K1T1NMMC
Denison丹尼遜閥R6V03-593-10-09-GOQ-A1
D31FBE01CC1NF00 D31FBE01CC1NG00 D41FBE01FC1NG00
PAVC65R4213
PARKER比例換向閥D41FTE01FC1NF00
柱塞泵老型號是PV140R1K1T1NFWS現貨
D31FTE01CC1NG00  D41FTE01FC1NF00
PV140R1K1T1NKLC
D1FVE50BCVLB35
D3DW071HNJW
PARKER 派克液壓泵PV6 2R1E C00