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10 DA 型) 不带单向阀 控制油内部供油,控制油外部供油 最高二次压力25 bar 最高二次压力75 bar 最高二次压力150 bar 最高二次压力210 bar 1) 代码R900008158 H-锁钥匙包含於供货清单中. 订货型号 (可随时供货) 型号 订号代号 型号 订号代号 优选型号和标准阀,可短期内供货 见价格表EPS (标准价格表) 型号 型号 型号 型号 图形符号 ( ? = 阀侧;

? = 底板侧) B1_0467-0472 7/22/04, 3:12 AM

2 3/6 ZDR

10 D RC

26 585/02.03

4 General Installation Optional Ambient temperature range °C C30 to +80 for NBR seals C20 to +80 for FKM seals Weight kg Approx. 2.8 Hydraulic Pressure fluid Mineral oil (HL, HLP) to DIN

51 524 1);

Fast bio-degradable pressure fluids to VDMA

24 568 (also see RE

90 221);

HETG (rape seed oil) 1);

HEPG (polyglycols) 2);

HEES (synthetic ester) 2);

other pressure fluids on request Cleanliness class to ISO code Maximum permissible degree of contamination of the pressure fluid is to ISO

4406 (C) class 20/18/15 3) Pressure fluid temperature range °C C30 to +80 for NBR seals C20 to +80 for FKM seals Viscosity range mm2/s

10 to

800 Max. operating pressure (input) bar Up to

315 Secondary pressure, (output) bar 25;

75;

150;

210 Back pressure port T bar Up to

160 Max. flow L/min Up to

80 469 技术数 (对於超出这些参数的应用,请咨询博世力士乐公司!) 液压参数 压力介质 矿物油(HL, HLP)按DIN

51 5241) 可生物分解压力介质按VDMA

24 568 (参见RC

90 221) ;

HETG (菜籽油) 1);

HEPG (聚乙二醇) 2);

HEES (合成酯) 2);

其它压力介质请谘询. 油液污染度 油液最高允许污染等级按ISO

4406 (C) 第20/18/15级3) 压力介质温度围 -30至+80 (用於丁 橡胶密封件) -20至+80 (用於氟橡胶密封件) 粘度围

10 至800 最高工作压力 (进口) 至315 最高次级压力 (出口) 25;

75;

150;

210 背压油口 T (Y) 至160 最大流量 至80 一般概述 安装位置 可选择 环境温度围 -30至+80 (用於丁 橡胶密封件) -20至+80 (用於氟橡胶密封件) 重量 大约 2.8 1) 适用於丁 橡胶和氟橡胶密封 2) 仅适用於氟橡胶密封 3) 在液压系统中必须达到元件要求的清洁度,有效的 过滤防止出现问题,也延长了元件的使用寿命. 选择过滤器,见样本RE

50 070,RC

50 076和RC

50 081. B1_0467-0472 7/22/04, 3:12 AM

3 4/6 RC

26 585/02.03 ZDR

10 D

4 Flow in L/min → Flow in L/min → P2 to P1 Flow in L/min → Flow in L/min → A1 to A2 Flow in L/min →

1 A1 to A2

2 A2 to TB (3rd flow path)

3 A2 to A1 flow via check valve only

4 A2 to A1 flow via check valve and fully open control cross-section

5 P2 to P1

6 P1 to TB (3rd flow path) Note The curve characteristics remain, with low set pressures, the same in relation to the pressue rating. Type ZDR

10 DP..C5X/.. and Type ZDR

10 DB..-5X/.. Type ZDR

10 DA..C5X/.. Secondary pressure in bar → Min. pressure differential in bar → Secondary pressure in bar → Min. pressure differential in bar → Pressure differential in bar → Pressure rating in bar → A2 to TB P1 to TB Pressure rating in bar → The characteristic curves for the pressure relief function are valid for the output pressure = zero over the entire flow range! pA-qV-characteristic curves ?pmin-qV-characteristic curves pA-qV-characteristic curves ?pmin-qV-characteristic curves ?p-qV-characteristic curves

250 0

20 50

0 20

40 60

80 40

100 150

200 150

210 75