DB/DBW - 4 Pages

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Catalogue excerpts

DB/DBW DB/DBW 30/5X SERIES PILOT OPERATED PRESSURE RELIEF VALVES DB is pilot operated pressure relief valve, DBW is a pilot operated solenoid relief valve available to unload system pressure. The performance of 5X series is superior than 30 series, the 5X series can be used to control the pressure of hydraulic systems smoothly in a wide range. This type is suitable for a hydraulic system which demands high flow rate. No code=Without directional valve W=With directional valve No code=NBR Seals for petroleum oils V=FPM Seals for phosphate ester No code=Inch thread; 2=Metric thread A=Normally closed; B=Normally open Z4=Quadrate plug; Z5=Big quadrate plug Z5L=Big quadrate plug with light No code=subplate mounting G=Threaded connection No Code=Without manual override N=With manual override 1=Adjustable knob 2=Adjustable hexagonal nut screw and protection cap 3=Lockable rotary knob Series number: 30 Series number 30 and 50 See the table below for pressure range No Code=Standard U=For min. opening pressure Technical data

 Open the catalogue to page 1

Operating pressure vs. flow (MPa)/Inlet pressure    (MPa)/Inlet pressure    (MPa)/Inlet pressure Flow (L/min)

 Open the catalogue to page 2

Operating curves vs. flow Subplate mounting (MPa)/ Inlet pressure    o    (MPa)/ Inlet pressure    o    (MPa)/ Inlet pressure Min. settable pressure and bypass pressure Flow (L/min)

 Open the catalogue to page 3

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