DC※系列多路換向閥
DC SERIES MULTIPLE DIRECTIONAL CONTROL VALVES
DC20、25、32多路換向閥是我公司根據國內外工程機械液壓系統進行優化設計的新型多路換向閥。廣泛適用于裝載機、汽車起重機、推土機、壓樁機等工程機械和大噸位叉車、冶金、農業、塑料等機械的液壓系統中，是主機實現進口元件國產化的理想產品。
該閥為片式結構、體積小、功能齊全、油路形式多、有并聯、串并聯油路，可單泵或雙泵供油，多級壓力控制和分、合流回路等，安裝方便，滑閥可在任意一端伸出，滑閥端部有舌狀和叉狀二種結構。滑閥機能齊全，除國內已有的機能外，還增加了G型、R型、W型等特殊機能，zui多可以控制10個工作機構，能廣泛地滿足用戶要求。
The DC20、25、32multiple directional control valves are in accordance with domestic and foreign engineering machinery hydraulic systems to optimize the design of the new multi-valve.Widely applicable to the truck crane,bulldozer,large-middle forklift ,loader,pressure machine,such as construction machinery and metallurgy ,agriculture,
plastics machinery hydraulic system,is the host of imports of components to achieve the ideal of home-made products.
The valves for the chip structure,small size,full-featured,in the form of oil,have a parallel,series-parallel circuit can be single or double pump oil pump,multi-level control and pressure points,such as merging circuit.It is easy to install,slide valve can be arbitrarily extended at one end,the end of the slide valve has forked and tongue structures.It’s sliding valve function fully ,in addition to the existing internal functions,but also an increase of G-type,R-type,W-type and others special functions.It can control up to 10 bodies,extensive able to meet user requirements.
功能特點 FUNCTIONS AND FEATURES
閥體結構：片式閥體，可根據工作機構需要組合為10連以內的多路閥組。
Body structure:Body-on-chip,it can be composed to within 10 joint multi-valve blocks.
負載傳感功能：具有優良的負載傳感功能。
Load-sensing functions:With a good load sensing feature.
大流量：DC32是zui大通徑的片式多路閥產品。
Large capacity:DC32 is the largest drift diameter patent multi-chip valve products.
通用性與性：DC系統是功能zui齊的通用片式多路閥，并可根據需要進行多種改型設計。
General and specific:DC series is the most common chip-pronged multi-valve,root and can show the need for a wide range of specialty design modifications.
微動功能：具有良好的微動功能，可實現起重機卷揚點動2-3mm操作。
Fretting:A good micro-features,can move at 2-3mm operation.
油路形式：并聯、串并聯油路，可單泵或雙泵的分、合流回路。
Oil way:Parallel,series-parallel circuit;it can be distributaries loop or confluence loop for single or double pump.
滑閥機能：滑閥機能齊全，有14種。并具有G、R、W特殊機能。
Sliding valve function:With full-function slide valve,14.With G.R.W special functions.
安裝連接：滑閥可任意一端伸出，并有舌狀、叉狀兩種形式，油口有法蘭螺紋等多種形式。
Installation link:Sliding valve can be slid off the end of the arbitrary,with fork-like and tongue forms,oil ports have threaded flange,and other means.
控制方式：手動、液動操作。
Controls:Manual ,hydraulic operation
負載保持：每連都內置有負載保持和壓力隔斷的單向閥。
Load keeping:Each joint has one-way valve built-in load keeping and pressure cut-off.
附加閥：可在任一工作口安裝過載閥或補油閥，DC32還可以在任一工作口同時安裝過載閥和補油閥。
Additional valve:In any one of the outlets can be install the Overload valve or oil fill valve,and can be install the overload valve and the fill valve at the same time in DC32
過橋功能：配置中間閥塊或過橋閥塊可實現過橋功能或外接油口。
Bridge functions:Achievable the bridge functions or oil port by used Centre adjustment valve block or across bridge valve block
適用領域：起重機、推土機、大噸位叉車、壓樁機、裝載機及其它機械。
Applicable in the field:Cranes,bulldozers,forklifts large tonnage,pressure machine,loaders and other machinery.
性能參數 SPECIFICATIONS
| 性能 Perf 通徑 Dia.（mm） | 公稱壓力（Mpa） Nom.pressure | 公稱流量 Nom.flow （L/min） | zui大流量 Max.flow （L/min） | 許用背壓 Allowable Back pressure （Mpa） | 工作油液 Working oil | |||||||||
| 溫度范圍 Temp.range （℃） | 粘度范圍 Visc.range （mm²/s） | 過濾精度 Filtrating accuracy（μm） | ||||||||||||
| E | F | G | H | |||||||||||
| 20 | 16 | 20 | 25 | 31.5 | 100 | 150 | ≤3 | -20~+80 | 10~400 | ≤10 | ||||
| 25 | 200 | 300 | ||||||||||||
| 32 | 250 | 400 | ||||||||||||
| 計算重量 / Weight calculation | ||||||||||||||
| 型號 Model | 1連 / 1 piece | 2連 / 2 pieces | 3連 /3 pieces | n連 / n pieces | ||||||||||
| DC20 | 20.5 | 28.5 | 36.5 | 12.5+8n | ||||||||||
| DC25 | 37 | 49 | 61 | 25+12n | ||||||||||
| DC32 | 54 | 72 | 90 | 36+18n | ||||||||||
注：油液zui高污染等級：按GB/T14039之19/16.
Note:Maximum permissible degree of contamination of the oil is according to GB/T14039-19/16.
