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PV7-20
因此，可以避免使用回流管。它安裝在先導控制閥（2）和方向閥（16）之間。阻尼程度（減壓沖擊）由噴嘴（18）的尺寸決定。噴嘴Ø1.2mm（訂購代碼..R12..）建議使用。帶開關(guān)減震（夾芯板）的減壓閥，“DBW…/…S6E…R12”型通過開關(guān)減震閥（17）延遲從B2到B1的連接打開。壓力峰值和聲減壓沖擊的表示：方向閥打開減壓閥| DB；DBW 7/22 RE 25802，版本：2021至2020年，博世力士樂股份公司一般尺寸NG10 NG16 NG25“DB..20”NG25“DB..25”NG32重量? 底板安裝–DB…kg 2.6–3.5–4.4–DBW…kg 4.05–4.95–5.85–DBC…kg 1.2–DBWC…kg 2.65–DBC10或30。。。千克1.5–DBWC 10或30。。。千克2.95? 螺紋連接–DB…G kg 5.3 5.2 5.1 5.0 4.8–DBW…G kg 6.75 6.65 6.55 6.45 6.25安裝位置任何環(huán)境溫度范圍? DB…°C–20…+80（NBR密封）–15…+80（FKM密封）? DBW…°C–20+50（NBR密封）–15…+50（FKM密封）符合性? CE符合低壓指令2014/35/EU，根據(jù)EN 60204-1:2006-01和DIN VDE 0580進行測試，歸類為部件液壓大工作壓力? 端口P，X桿350? 端口T bar 315大背壓? 端口Y（DB）bar 315? 端口Y，T（DBW）bar 210，帶直流電磁閥160，帶交流電磁閥大整定壓力bar 50；100; 200; 315; 350小設定壓力流量取決于（見9頁的特性曲線）大流量? 底板安裝長度/分鐘250–500–650? 螺紋連接l/min 250 500 500 650液壓油見表88頁液壓油溫度范圍°C–20…+80（NBR密封）-15…+80（FKM密封）粘度范圍mm2/s 10…800液壓油的大容許污染度，清潔度等級符合ISO 4406（c）等級20/18/15 1）技術(shù)數(shù)據(jù)（對于超出這些值的應用，請咨詢我們?。┳⒁馐马棧? 油箱預加載會增加小設定壓力（端口T和Y）? 定向閥座閥的技術(shù)數(shù)據(jù)見數(shù)據(jù)表22058，定向滑閥數(shù)據(jù)表23178。? 型式檢驗試驗安全閥的偏差技術(shù)數(shù)據(jù)見17頁。1） 液壓系統(tǒng)中必須遵守部件規(guī)定的清潔度等級。有效過濾可防止故障，同時延長部件的使用壽命。
return line can thus be avoided. It is installed between the pilot control valve (2) and the directional valve (16). The degree of damping (decompression shock) is determined by the size of the nozzle (18). Nozzle Ø 1.2mm (ordering code ..R12..) is recommended. Pressure relief valve with switching shock damping (sandwich plate), version "DBW…/..S6E...R12" The opening of the connection from B2 to B1 is delayed by means of the switching shock damping valve (17). Pressure peaks and acoustic decompression shocks in the Representation: Directional valve open Pressure relief valve | DB; DBW 7/22 RE 25802, edition: 2021-10, Bosch Rexroth AG General Sizes NG10 NG16 NG25 "DB.. 20" NG25 "DB.. 25" NG32 Weight ? Subplate mounting – DB… kg 2.6 – 3.5 – 4.4 – DBW… kg 4.05 – 4.95 – 5.85 – DBC… kg 1.2 – DBWC… kg 2.65 – DBC10 or 30 ... kg 1.5 – DBWC 10 or 30 ... kg 2.95 ? Threaded connection – DB…G kg 5.3 5.2 5.1 5.0 4.8 – DBW…G kg 6.75 6.65 6.55 6.45 6.25 Installation position any Ambient temperature range ? DB… °C –20 … +80 (NBR seals) –15 … +80 (FKM seals) ? DBW… °C –20 ... +50 (NBR seals) –15 … +50 (FKM seals) Conformity ? CE according to Low-Voltage Directive 2014/35/EU, tested according to EN 60204-1:2006-01 and DIN VDE 0580, classified as component Hydraulic Maximum operating pressure ? Port P, X bar 350 ? Port T bar 315 Maximum counter pressure ? Port Y (DB) bar 315 ? Port Y, T (DBW) bar 210 with DC solenoid 160 with AC solenoid Maximum set pressure bar 50; 100; 200; 315; 350 Minimum set pressure flow-dependent (see characteristic curves page 9) Maximum flow ? Subplate mounting l/min 250 – 500 – 650 ? Threaded connection l/min 250 500 500 500 650 Hydraulic fluid see table page 8 Hydraulic fluid temperature range °C –20 … +80 (NBR seals) –15 … +80 (FKM seals) Viscosity range mm2/s 10 … 800 Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) Class 20/18/15 1) Technical data (For applications outside these values, please consult us!) Notice: ? Tank preloading adds to the minimum set pressure (ports T and Y) ? Technical data for directional seat valve see data sheet 22058, for directional spool valve data sheet 23178. ? Deviating technical data for type-examination tested safety valves can be found on page 17. 1) The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and at the same time increases the life cycle of the components.
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