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四川拓思達液壓機械有限公司
四川拓思達液壓機械有限公司
CDB系列多路換向閥是我公司根據國內1-10T叉車、小型裝載機、小型挖掘機液壓系統，并引進、消化、吸收進技術而進行優化設計的片式多路閥，CDB系列多路換向閥功能全，性能佳、結構緊湊、安全可靠、維修方便。主要適用1-10T叉車、小型挖掘機和小型裝載機，還可應用于其他起重運輸機械、礦山機械液壓系統中，是主機實現進口元件國產化的理想產品。
CDB系列多路換向閥
CDB SERIES MULTIPLE DIRECTIONAL CONTROL VALVES
CDB系列多路換向閥是我公司根據國內1-10T叉車、小型裝載機、小型挖掘機液壓系統，并引進、消化、吸收進技術而進行優化設計的片式多路閥，CDB系列多路換向閥功能全，性能佳、結構緊湊、安全可靠、維修方便。主要適用1-10T叉車、小型挖掘機和小型裝載機，還可應用于其他起重運輸機械、礦山機械液壓系統中，是主機實現進口元件國產化的理想產品。
The CDB series multiple directional control valves are based on the company’s 1-10T forklift ,small loaders,small excavators hydraulic system of domestic and the introduction,digestion and absorption of advanced foreign technology and design to optimize the structure of the chip,CDB series multi-directional valves are characterized by wide function ,good performance ,compact,safe,reliable,easy maintenance.Applies mostly to 1-10T forklift ,small-scale mining,small loaders and others machinery .Also can be applied to other transport machinery,mining machinery hydraulic,is the host of imports of components to achieve the ideal of home-made products.
功能特點 Functions and features
閥體結構：片式結構，1-10連內可任意組合。
Body structure:On-chip architecture,from 1 to 10 can be any combination of joints.
油路形式：并聯、串并聯
Oil ways:Parallel ,series and parallel.
穩流閥：進油閥片內設有穩流裝置，保證轉向系統正常工作
Steady flow valve:The oil into the valves is equipped with steady flow devices,to ensure the system work properly.
附加閥：換向閥片內可帶過載閥、二次壓力閥、補油閥等附加閥供用戶選擇。
Additional valve:The valve can be brought on-chip overload valve,the second pressure valve,recharging oil valve etc.for the user to choose.
前傾限速：具有叉車門架前傾限速，避免門架產生限速運動和氣穴現象的R型滑閥機能。
Fore rake speed limit:With a slide valve function of fore rake speed limit for forklift truck door frame.Avoided the door frame to avoid excessive movement and cavitations R.
反沖復位：具有在換向位置達到設定壓力的自動反沖復位和彈簧復位、鋼球定位方式。
Recoil reduction:With the way of auto recoil reduction,spring reset and ball positioning in the reversing position to achieve pressure
平穩微動性能：節流型OX型滑閥機能保證屬具平穩工作，各種機能均有良好的微動性能。
Fretting a stable performance:Throttling OX sliding valve function is to ensure a smooth work,a variety of functions have been fretting a good performance.
單雙回路：CDB15型多路換向閥適用于單泵分流雙回路系統。CDB20型多路閥適用于雙泵分流雙回路系統。
Single-double-loop:CDB15 multiple-valve applied to two-circuit system with single pump shunt.CDB20 multi-directional valves applied to two-loop system with double-pump shunt.
負載保持：每連都內置有負載保持和壓力隔斷的單向閥。
Maintain the load:There are even joint built-in each one-way valve with load keeping and pressure cut-off.
適用領域：1-10T叉車、小型挖掘機、小型裝載機及其它機械。
Field of application:1-10T forklift,small-scale mining,small loaders and others machinery.
性能參數 SPECIFICATIONS
| 公稱通徑Nom dia. （mm） | 15 | 20 | 22 | |||||||||||
| 公稱流量Nom flow（L/min） | 80 | 160 | 200 | |||||||||||
| 公稱壓力Nom.pressure（MPa） | E | F | E | F | G | E | F | G | ||||||
| 16 | 20 | 16 | 20 | 25 | 16 | 20 | 25 | |||||||
| 主安全閥調壓范圍Pressure range of main relief valve（MPa） | 8~20 | 8~25 | 8~25 | |||||||||||
| 轉向安全閥調壓范圍Pressure range of steering relief valve（MPa） | 3~10 | 8~20 | 8~20 | |||||||||||
| 轉向輸出流量可選范圍Steering flow output range （L/min） | 11~16 | 22~32 | 22~32 | |||||||||||
| 過載閥調壓范圍（含二次壓力閥）Overload valve pressure range（Including secondary pressure valve）（MPa） | 6.3~22 | 8~28 | 8~28 | |||||||||||
| 許用背壓Allowable back pressure at port （MPa） | 2 | |||||||||||||
| R閥控制壓表R spool control pressure difference（MPa） | ≤2 | |||||||||||||
| 工作油液Working oil | 溫度范圍Temp.range（℃） | 粘度范圍Visc.range（mm²/s） | 過濾精度（μm） Filtrating accuracy | |||||||||||
| -20~+80 | 10~400 | ＜10 | ||||||||||||
| 計算重量 Weight calculation | 型號/Model | 1連/1 piece | 2連/2 piece | 3連/3 piece | N連/n piece | |||||||||
| CDB15 | 8.8 | 11.6 | 14.9 | 5.3.3n | ||||||||||
| CDB20 | 16.7 | 23.7 | 30.7 | 9.7+7n | ||||||||||
| CDB22 | 16.9 | 24.1 | 31.3 | 9.7+7.2n | ||||||||||
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