力士樂(lè)壓力閥DB52
力士樂(lè)壓力閥DB52壓力調(diào)節(jié)閥亦稱自力式平衡閥、流量控制閥、流量控制器、動(dòng)態(tài)平衡閥、流量平衡閥，是一種直觀簡(jiǎn)便的流量調(diào)節(jié)控制裝置，管網(wǎng)中應(yīng)用流量調(diào)節(jié)閥可直接根據(jù)設(shè)計(jì)來(lái)設(shè)定流量，閥門(mén)可在水作用下，自動(dòng)消除管線的剩余壓頭及壓力波動(dòng)所引起的流量偏差，無(wú)論系統(tǒng)壓力怎樣變化均保持設(shè)定流量不變，該閥這些功能使管網(wǎng)流量調(diào)節(jié)一次完成，把調(diào)網(wǎng)工作變?yōu)楹?jiǎn)單的流量分配，有效的解決管網(wǎng)的水力失調(diào)。
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力士樂(lè)壓力閥DB52
博世力士樂(lè)作為德國(guó)博世集團(tuán)的全資子公司，是工業(yè)技術(shù)市場(chǎng)的供應(yīng)商。在傳動(dòng)和控制領(lǐng)域聲譽(yù)*。2006年銷售額超過(guò)49億歐元，擁有專業(yè)員工29,831名。早在1978年，博世力士樂(lè)就開(kāi)始了在中國(guó)的業(yè)務(wù)，現(xiàn)已成立了四家公司。憑借*的產(chǎn)品和豐富的應(yīng)用經(jīng)驗(yàn)，博世力士樂(lè)為中國(guó)客戶提供現(xiàn)代高效和靈活完整的解決方案。 從標(biāo)準(zhǔn)解決方案到大型工程項(xiàng)目，博世力士樂(lè)幾乎為所有的工業(yè)領(lǐng)域提供專業(yè)服務(wù)。從機(jī)床、塑料機(jī)械、食品和包裝機(jī)械、冶金、汽車工業(yè)、印刷和造紙工業(yè)，到電子工業(yè)、半導(dǎo)體工業(yè)、海事工程、建筑與農(nóng)業(yè)機(jī)械、鉆探設(shè)備，博世力士樂(lè)的服務(wù)領(lǐng)域在不斷延伸。得益于在工業(yè)及工廠自動(dòng)化的諸多領(lǐng)域和行走機(jī)械應(yīng)用方面積累的豐富經(jīng)驗(yàn)，博世力士樂(lè)總能準(zhǔn)確把握客戶對(duì)機(jī)械制造及工廠建設(shè)與維護(hù)的各種需求，這就是其廣受客戶青睞的原因。
Pressure valve type DB is a pilot-operated pressure relief valve. It is used for limiting (DB) a system pressure.
The pressure relief valves basically consist of the pilot control valve (1) with pressure adjustment element (2), main valve (3) with main spool insert (4) and directional valve (5), optional.
Pressure relief valves type DB
The pressure applied by the system acts on the main spool (4). At the same time, pressure is applied to the spring-loaded side of the main spool (4) and to the pilot control valve (1) via the control lines (6) which are equipped with nozzles. If the system pressure exceeds the value set at the spring (7), the poppet (10) of the pilot control valve opens. The hydraulic fluid on the spring-loaded side of main spool (4) now flows via the spring chamber of the pilot control valve (1) to the tank, either internally via port T, or externally, via port Y. Due to the nozzle combination in the control lines, a pressure drop results at the main spool, the connection from P to T is thus released. The hydraulic fluid flows from channel P to channel T maintaining the set operating pressure.
The pressure relief valve can be unloaded by means of remote control or switched to another pressure value via port X (8).
Influencing of the switch-off time
The nozzle (9), by default equipped with Ø0.8 mm, is used to influence the switch-off time. By exchanging this nozzle (9), the switch-off time can be set to a slower or faster value.
The pressure limiting function is thus not influenced.
Type code
01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
DB | 52 | 3X | / | U | * |
01 | Pressure relief valve | DB |
02 | Without directional valve | no code |
03 | Size 52 | 52 |
Version | ||
05 | For subplate mounting | P |
for flange connection | F | |
Adjustment type for pressure adjustment | ||
06 | Rotary knob | 1 |
Sleeve with hexagon and protective cap | 2 | |
Lockable rotary knob | 3 1)? | |
Main piston | ||
07 | in seat spool design | – |
in sliding spool design | L | |
08 | Component series 30 … 39 (30 … 39: unchanged installation and connection dimensions) | 3X |
Pressure rating | ||
09 | Set pressure up to 100 bar | 100 |
Set pressure up to 315 bar | 315 | |
Pilot oil supply | ||
10 | Ordering code according to symbols | – |
X | ||
Y | ||
XY | ||
11 | for minimum cracking pressure 3 bar | U |
12 | without directional valve | no code |
14 | Without manual override | no code |
Electrical connection Individual connection | ||
15 | without mating connector with connector DIN EN 175301-803 | K42) |
Seal material | ||
16 | NBR seals | no code |
FKM seals (other seals upon request) | V | |
Observe compatibility of seals with hydraulic fluid used. | ||
Type-examination procedure | ||
17 | without type-examination procedure | no code |
Type-examination tested safety valve according to PED 2014/68/EU | E | |
18 | Further details in the plain text | * |
| 1) H-key with the order no. R900008158 is included in the scope of delivery | |
| 2) Mating connectors, separate order |
力士樂(lè)壓力閥DB52
日本豐興部分產(chǎn)品型號(hào)介紹：
TOYOOKI豐興HVP-FA1定量泵
示例型號(hào)：
HVP-FA1-L2R-A
HVP-FA1-L5R-A
HVP-FA1-F8R-A
HVP-FA1-F11R-A
TOYOOKI其它泵：HPP.TCP.HBPV.HBPG.HBPP.TCM.WVP
TOYOOKI豐興HR直動(dòng)式溢流閥
示例型號(hào)：
HR1-DT0-06
HR3-BG1-02A
HR3-BT2-04
HR3-BF3-04
TOYOOKI其它壓力閥：
HT.HRD.HRU.HG.HQ.HU.HB.HR-HKT.HR-HKG.HGR
TOYOOKI豐興HD直動(dòng)式電磁換向閥
示例型號(hào)：
HD1-3W-BCA-025B-WYD2
HD3-2WD-BcA-025B-WYR1
HD3-3W-BGA-025B-WYR1
HD5-2S-KcP-025B-WYR2
TOYOOKI其它換向閥：HDD3(C)-WY*.HDD3(C)-LY*.HD3-4*LG.HD3-42MG.HK3.HK2
TOYOOKI豐興HLD先導(dǎo)式電磁減速閥
示例型號(hào)：
HLD3-CW0-1-04A-WY
HLD3-CS1-2-06A-WY
HLD3-CS2-G1-10A-WY
HLD3-CS1-G1-10A-LY
TOYOOKI其它流量閥：HT3H.HR3H.HG3H.HG1H.HQ3H.HB3H.HRB3H.HK3H.
HF3H.HW3H. HKF3H.HFG3H.HKG3H.HGF3H.HGR2M.HK2M.HLD3H.HFK2H.
HGD2H.HMC.HMD
TOYOOKI豐興TP系列泵站
示例型號(hào)：
TP20NA-B3-B
TP40NA-C5-C
TP63NA-G5-D
TP100N-D3-F
TP160N-D5-G
TOYOOKI其它泵站：TP20E.TP*N.TSU.MFU.PSA1
TOYOOKI豐興壓力閥型號(hào)如下:
AD-SL231-304D-DA4（AC220V）
HD3-3W-BCA-03A-WYA*
HD3-3W-BCA-03A-WYA4
HD3-2S-BCA-03A-WYA4HD3-2WD-BCA-025AY-WYA1
AD-SL231D-712D
HD3-2S-BCA-025AY-WYD2HVP-VCC1K-F4040A3A3
HD3-2S-BCA-025AY-WYAI
TCP-031-B
AD-SL231D-304D
AD-SL231D-304D-DA4C）
HD3-3W-BGA-025AY-WYA1
HD3-3W-BGA-025AY-WYR1
HD3-3W-BGA-025AY-WYA2
HD3-3W-BGA-025AY-WYA1
HF2-KG1-02豐興調(diào)整閥
HD1-3W-BGA-025B-WYR4
HVP-FC1-L39R-G定量葉片泵
TP20NA-B5-C-CK21（AC380V/50HZ）
TP40NA-C5-C-CK21（AC380V/50HZ）
HVP-FE1-L75R-A
HBPV-KC4-VC1-26A2-A
HD3-2S-BCA-025A-LYA1
HFD1-PG1K-1M-02
日本TOYOOKI豐興定量型toyooki葉片泵（HVP-FE1系列）
HVP-FE1-L50R-A
HVP-FE1-F50R-A
HVP-FE1-L60R-A
HVP-FE1-F60R-A
HVP-FE1-L75R-A
HVP-FE1-F75R-A
HVP-FE1-L85R-A
HVP-FE1-F85R-A
HVP-FE1-L95R-A
HVP-FE1-F95R-A
HVP-FE1-L108R-A
HVP-FE1-F108R-A
HVP-FE1-L120R-A
HVP-FE1-F120R-A