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China factory - Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.

Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.

  • China ,Fujian
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  3. R900926054 DBW10A2-5X/315-6EG24N9K4 Rexroth electromagnetic overflow valve made
China R900926054 DBW10A2-5X/315-6EG24N9K4 Rexroth electromagnetic overflow valve made
China R900926054 DBW10A2-5X/315-6EG24N9K4 Rexroth electromagnetic overflow valve made

  1. China R900926054 DBW10A2-5X/315-6EG24N9K4 Rexroth electromagnetic overflow valve made

R900926054 DBW10A2-5X/315-6EG24N9K4 Rexroth electromagnetic overflow valve made

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Max. Adjustable Relief Pressure 315 bar (adjustment range typically 4–315 bar)
Supply Ability 100
Payment Terms Western Union,T/T,D/P,D/A,L/C
Certifiion ISO
Viscosity Range 10–800 mm²/s
Delivery Time 2 weeks
Packaging Details wooden box
Solenoid Voltage 24 V DC (G24)
Component Series 5X (series 50–59, dimensionally interchangeable)
Weight (approx.) 3.18 kg
Model Number R900926054 DBW10A2-5X/315-6EG24N9K4
Place of Origin Germany
Brand Name Rexroth

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  1. Product Details
  2. Company Details

Product Specification

Max. Adjustable Relief Pressure 315 bar (adjustment range typically 4–315 bar) Supply Ability 100
Payment Terms Western Union,T/T,D/P,D/A,L/C Certifiion ISO
Viscosity Range 10–800 mm²/s Delivery Time 2 weeks
Packaging Details wooden box Solenoid Voltage 24 V DC (G24)
Component Series 5X (series 50–59, dimensionally interchangeable) Weight (approx.) 3.18 kg
Model Number R900926054 DBW10A2-5X/315-6EG24N9K4 Place of Origin Germany
Brand Name Rexroth
High Light Rexroth electromagnetic overflow valve ，DBW10A2-5X hydraulic valve ，Rexroth valve with warranty
R900926054 DBW10A2-5X/315-6EG24N9K4 Rexroth Electromagnetic Overflow Valve
Product Overview

Pilot-operated pressure relief valve with integrated solenoid unloading (DBW series), manufactured in Germany. Designed for precise pressure control and system unloading in hydraulic appliions.

Technical Specifiions
Parameter Value
Part Number R900926054
Model DBW 10 - A2 - 5X / 315 - 6EG24N9K4
Valve Type Pilot-operated pressure relief valve with integrated solenoid unloading (DBW series)
Nominal Size (NG) 10 - subplate mounting per ISO 6264 / NG10
Function Pressure limiting at set value + solenoid-actuated system unloading (energize → P→T open, system near 0 bar)
Adjustment Type A2 = Rotary hand knob with protective cap (hand-adjustable, no tool needed)
Component Series 5X (series 50-59, dimensionally interchangeable)
Max. Adjustable Relief Pressure 315 bar (adjustment range typically 4-315 bar)
Max. Operating Pressure (P-port) 350 bar
Max. Flow Rate (Qmax) Approx. 250 L/min (Size 10 DB/DBW series)
Pilot Oil Internal pilot supply, internal pilot drain (standard DBW)
Solenoid Type Wet-pin DC solenoid
Solenoid Voltage 24 V DC (G24)
Electrical Connection Plug-in socket per EN 175301-803 Form A (K4 = mating plug sold separately)
Manual Override N9 = concealed push-button manual override on coil
Seal Material NBR (standard, for mineral oil HL/HLP, HFC)
Hydraulic Fluid Mineral oil HL, HLP per DIN 51524; HFC (water-glycol); HLPD, HVLP, HVLPD
Fluid Temperature Range -30 °C to +80 °C (NBR seals)
Viscosity Range 10-800 mm²/s
Weight (approx.) 3.18 kg
Body Material Cast iron / steel, zinc-plated
Product Image
Rexroth DBW10A2 electromagnetic overflow valve
Related Variants
R901120385 DBW10A2-5X/200YU6EG24N9K4
R900941213 DBW10A2-5X/200XY6EG24N9K4
R900926054 DBW10A2-5X/315-6EG24N9K4
R900958973 DBW10A2-5X/315-6EG24N9K4V
R900922377 DBW10A2-5X/315-6EW230N9K4
R900935532 DBW10A2-5X/315S6EG24N9K4R12
R900954472 DBW10A2-5X/315S6EG24N9K4R12V
R901130713 DBW10A2-5X/315S6EW230N9K4R12
R900781325 DBW10A2-5X/315U6EG24NK4
R900741804 DBW10A2-5X/315U6EG24N9K4
R900772250 DBW10A2-5X/315U6EW230N9K4
R901243992 DBW10A2-5X/315US6EG24N9K4R12
R900726914 DBW10A2-5X/315X6EG24N9K4
R900920436 DBW10A2-5X/315Y6EG24N9K4
R900956639 DBW10A2-5X/315Y6EG24N9K4V
R900937506 DBW10A2-5X/315Y6EW230N9K4
R900765091 DBW10A2-5X/315YS6EG24N9K4R12
R900964379 DBW10A2-5X/315XY6EG24N9K4
R900930684 DBW10A2-5X/350-6EG24NK4
R900974700 DBW10A2-5X/350-6EG24N9K4
R900919859 DBW10A2-5X/350-6EG24N9K4V
R900579624 DBW10A2-5X/350-6EW230N9K4
R901107522 DBW10A2-5X/350-6SMG24N9K4
R901009118 DBW10A2-5X/350S6EG24N9K4R12
R900948504 DBW10A2-5X/350YS6EG24N9K4R12
Frequently Asked Questions
Q1: What is the difference between DBW10A1 and DBW10A2?
Functionally identical. Only the adjustment method differs:
  • A1 = hexagon socket setscrew (Allen key)
  • A2 = rotary hand knob (turn by hand under cap, no tool)
Both share the same pressure stages, flow ratings, and solenoid specs.
Q2: Is this direct-acting or pilot-operated?
It is a pilot-operated (two-stage) relief valve with solenoid unloading. A pilot stage controls the main spool for stable high-flow relief; the integrated solenoid can command the valve to dump system pressure to tank.
Q3: How do I adjust the relief pressure?
With system depressurized, lift/remove the protective cap and turn the rotary knob clockwise to increase, counterclockwise to decrease. Factory preset is typically near minimum of the spring range. Replace the cap after setting and verify with a pressure gauge. The solenoid does NOT alter the set pressure.
Q4: What is the solenoid logic?
Standard: Solenoid DE-energized = relief active at set pressure. Solenoid ENERGIZED = system unloaded (P connected to T, near tank pressure). Confirm this matches your control logic before wiring.
Q5: Which subplate and electrical connector are needed?
  • Subplate: standard NG10 (ISO 6264) with P and T ports (G 1/2" or M18×1.5 on subplate), four M10 bolts @ ~35-40 N*m
  • Electrical: EN 175301-803 Form A (DIN 43650-A) 3-pin + PE connector, 24 V DC. If the plug has LED indiion, observe (+) / (-) polarity markings
Q6: Common faults & causes?
  • Solenoid clicks but system does NOT unload: pilot orifice clogged, main spool stuck, no coil current (check ~18-28 Ω), manual override jammed
  • Pressure won't reach set value / creeps early: wrong spring (not /315), pilot damping hole blocked, contaminated pilot seat, excessive T-backpressure (internal pilot drain)
  • Coil overheats / burnt smell: overvoltage (>10% above 24V), wrong voltage coil fitted, or mechanical damage -- replace only with correct G24 wet-pin coil
  • Chatter / unstable: air in system, high T-backpressure, worn pilot seat -- bleed air first
Q7: Does T-port backpressure affect set pressure?
Yes -- this model has internal pilot drain. Backpressure at T adds 1:1 to the relief setpoint. If your tank line has >5 bar sustained backpressure, consider the DBW…Y version (external pilot drain to separate tank line).
Q8: Fluid & seal compatibility?
NBR seals = mineral oil (HL/HLP) & HFC (water-glycol). For HEES/HETG biodegradable oils or HFD phosphate ester → specify FKM (Viton) seal variant. Maintain oil cleanliness per ISO 4406 code 18/16/13 or better.

Company Details

Bronze Gleitlager

,

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Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter

  • Total Annual:

    1 million-10 millon

  • Employee Number:

    >50

  • Ecer Certification：

    Verified Supplier

Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...

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  • Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
  • Nan'an, Fujian Province, China
  • https://www.electrichydpump.com/

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