Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Delivery Time | 2 weeks |
| Max. Flow Rate (Qmax) | approx. 120 L/min (Size 10 DBD) |
| Ports | 2 (P → T, Pressure to Tank) |
| Nominal Size (NG) | 10 — subplate mounting per ISO 6264 / NG10 |
| Max. Adjustable Relief Pressure | 100 bar (10 MPa) |
| Packaging Details | wooden box |
| Supply Ability | 100 |
| Fluid Temperature Range | -30 °C to +80 °C (NBR seals) |
| Certification | ISO |
| Model Number | R900424155 DBDS10P1X/100 |
| Place of Origin | Germany |
| Brand Name | Rexroth |
View Detail Information
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Product Specification
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Delivery Time | 2 weeks |
| Max. Flow Rate (Qmax) | approx. 120 L/min (Size 10 DBD) | Ports | 2 (P → T, Pressure to Tank) |
| Nominal Size (NG) | 10 — subplate mounting per ISO 6264 / NG10 | Max. Adjustable Relief Pressure | 100 bar (10 MPa) |
| Packaging Details | wooden box | Supply Ability | 100 |
| Fluid Temperature Range | -30 °C to +80 °C (NBR seals) | Certification | ISO |
| Model Number | R900424155 DBDS10P1X/100 | Place of Origin | Germany |
| Brand Name | Rexroth | ||
| High Light | Rexroth direct acting relief valve ，DBDS10P1X hydraulic relief valve ，Rexroth hydraulic valve with warranty | ||
|
Parameter |
Value |
|---|---|
|
Part Number |
R900424155 |
|
Model |
DBDS 10 P1X / 100 |
|
Valve Type |
Direct-acting seat-type pressure relief valve (DBD series) |
|
Nominal Size (NG) |
10 — subplate mounting per ISO 6264 / NG10 |
|
Adjustment Type |
Hexagon socket setscrew with protective cap (P1X = index 1X, adjustable by Allen key) |
|
Max. Adjustable Relief Pressure |
100 bar (10 MPa) |
|
Max. Operating Pressure (P-port) |
630 bar |
|
Max. Flow Rate (Qmax) |
approx. 120 L/min (Size 10 DBD) |
|
Ports |
2 (P → T, Pressure to Tank) |
|
Seal Material |
NBR (standard, code omitted = NBR) |
|
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.) |
3.66 kg |
|
Body Material |
Steel, zinc-plated |
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Q1: Is DBDS10P1X/100 pilot-operated or direct-acting?
It is a direct-acting seat valve (DBD series) — no pilot stage. The spring-loaded poppet/ball opens immediately when system pressure exceeds the spring preload setting.
Q2: What does "P1X / 100" mean?
P1 = adjustment type: hexagon socket with protective cap (Allen key adjustable).
1X = component series index (dimensionally interchangeable within series 1X).
/100 = spring pressure stage, maximum settable relief pressure = 100 bar.
Q3: How do I adjust the relief pressure?
Depressurize the system, remove the protective cap, turn the internal setscrew with an Allen key — clockwise to increase, counterclockwise to decrease. Reinstall the cap and verify with a pressure gauge at the P-port. Factory preset is typically near the low end of the spring range; always adjust on-site to the required system pressure.
Q4: Which subplate is required?
Use a standard NG10 (Size 10) subplate per ISO 6264 with P and T ports. The valve mounts via four bolts (typically M10, tightening torque approx. 35–40 N·m — refer to Rexroth mounting drawing). Subplate port threads are commonly G 1/2" BSP or M18×1.5.
Q5: Does T-port backpressure affect the set pressure?
Yes. The spring chamber drains internally to the T-port, so any backpressure at T adds 1:1 to the relief/cracking pressure. Keep T-line backpressure minimal or compensate in the setpoint.
Q6: Common fault symptoms?
Pressure won't reach set value / can't be adjusted down to zero: wrong spring grade, high T-backpressure, poppet sticking due to contaminated oil, or weak pump.
Continuous leakage / dribble: damaged seating surface, worn O-ring, or contamination trapped in the seat — clean or replace.
Chatter / noise: air in the system, flow exceeding 120 L/min, or line resonance — bleed air and confirm flow rating.
Q7: Fluid & seal compatibility?
Standard NBR seals suit mineral oil (HL/HLP) and HFC (water-glycol). For HEES/HETG biodegradable oils or HFD phosphate ester, FKM (Viton) seals are required — order the "V" seal variant if needed.
Need the Rexroth DBD series datasheet (RE 25402) or NG10 subplate machining dimensions? Just let me know.
Company Details
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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