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力士樂(lè)壓力閥DBA...2X

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(xiāo)售額超過(guò)49億歐元，擁有專(zhuān)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(zhuān)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(chē)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。

General

Pump safety blocks type DBA are pilot-operated pressure relief valves which are integrated into a block and intended to be mounted directly onto SAE pressure ports of pumps.

It is used for limiting (type DBA) the operating pressure.

Pump safety blocks generally consist of valve block (1) and pressure limitation screw-in cartridge valve type DB 20 K (2) (data sheet 25818). Optionally, a pressure switch type HED 8 (3) (data sheet 50061) can be installed on the valve block.

The valve housing is equipped with a port P for hydraulic fluid input and port P1 for hydraulic fluid output. In a branch of the through connection between these two ports, the pressure limitation screw-in cartridge valve can be found. By opening this valve, a connection to port T (tank line) is established.

At the standard model, connection diagram NG6 is covered with the cover plate (4). The pressure in the through connection (P - P1) has an effect on the main control spool (5) of the pressure limitation screw-in cartridge valve.

Via the nozzle bores (6 and 7), the pressure is at the same time applied to the poppet (8). If the pressure in port P exceeds the value set at spring (9), the poppet (8) opens against the spring (9).

Via the nozzle bores (6 and 7), the hydraulic fluid from channel P flows into the spring chamber (10) and is here internally directed via the control line (11) into the tank.

Due to the state of equilibrium at the main control spool (5), hydraulic fluid flows from channel P to channel T, maintaining the set operating pressure.

A pressure gauge connection (12) allows for the control of the operating pressure.

Pump safety block type DBA…D (with pressure switch)

The use of an electrical pressure switch type HED 8 (3) (data sheet 50061) enables activation and deactivation of an electric circuit via the control line (13).

In basic design, the control line (13) is closed with a plug screw (14).

The pressure gauge connection M and tank port T are illustrated with an offset of 90 °!

• Zero-pressure start-up and circulation of the pump
• Intended for direct mounting onto the SAE pressure port of the pump
• Low circulation pressure due to short distance
• Low compression volume for soft switching to depressurized circulation
• Quick pressure build-up
• 4 adjustment types for pressure adjustment, optionally 
  • Rotary knob
  • Sleeve with hexagon and protective cap
  • Lockable rotary knob with scale
  • Rotary knob with scale
• 5 pressure ratings, optional
• Low noise level due to direct flange mounting at the pump

力士樂(lè)壓力閥DBA...2X

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