Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Max. Flow Rate (Qmax) | approx. 100–120 L/min (Size 10 DBD) |
| Packaging Details | wooden box |
| Seal Material | NBR (standard, code omitted = NBR) |
| Valve Type | Direct-acting seat-type pressure relief valve (DBD series) |
| Max. Adjustable Relief Pressure | 315 bar (31.5 MPa) |
| Model | DBDS10P1X/315 |
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Delivery Time | 2 weeks |
| Supply Ability | 100 |
| Place of Origin | Germany |
| Model Number | R900424158 DBDS10P1X/315 |
| Certification | ISO |
| Brand Name | Rexroth |
View Detail Information
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Product Specification
| Max. Flow Rate (Qmax) | approx. 100–120 L/min (Size 10 DBD) | Packaging Details | wooden box |
| Seal Material | NBR (standard, code omitted = NBR) | Valve Type | Direct-acting seat-type pressure relief valve (DBD series) |
| Max. Adjustable Relief Pressure | 315 bar (31.5 MPa) | Model | DBDS10P1X/315 |
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Delivery Time | 2 weeks |
| Supply Ability | 100 | Place of Origin | Germany |
| Model Number | R900424158 DBDS10P1X/315 | Certification | ISO |
| Brand Name | Rexroth | ||
| High Light | Rexroth plate overflow valve ，DBDS10P1X/315 hydraulic valve ，Germany Rexroth overflow valve | ||
|
Parameter |
Value |
|---|---|
|
Part Number |
R900424158 |
|
Model |
DBDS 10 P1X / 315 |
|
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 |
315 bar (31.5 MPa) |
|
Max. Operating Pressure (P-port) |
630 bar |
|
Max. Flow Rate (Qmax) |
approx. 100–120 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; HETG/HEES with compatible seals |
|
Fluid Temperature Range |
-30 °C to +80 °C (NBR seals) |
|
Viscosity Range |
10–800 mm²/s |
|
Weight (approx.) |
3.68 kg |
|
Body Material |
Steel, zinc-plated |
| DDDS 10 P1X/25 R900426905 |
| DBDS 10 P1X/100 R900424155 |
| DBDS 10 P1X/315 R900424158 |
| DBDS 10 P1X/400 R900425660 |
| DBDS 15G1X/100 R900424162 |
| DBDS 15G1X/200 R900424163 |
| DBDS 15G1X/315 R900424165 |
| DBDS 20 K1X/25 R900422542 |
| DBDS 20 K1X/50 R900424205 |
| DBDS 20 K1X/100 R900424267 |
| DBDS 20 K1X/315 R900424271 |
| DBDS 20 K1X/400 R900424203 |
| DBDS20G1X/25 R900422544 |
| DBDS20G1X/50 R900424276 |
| DBDS20G1X/100 R900424170 |
| DBDS20G1X/200 R900424172 |
| DBDS20G1X/315 R900424174 |
| DBDS 20 P1X/100 R900424274 |
| DBDS 20 P1X/200 R900424277 |
| DBDS 20 P1X/315 R900424278 |
| DBDS25G1X/25 R900433929 |
| DBDS25G1X/100 R900424263 |
| DBDS25G1X/200 R900424264 |
| DBDS25G1X/315 R900424265 |
| DBDS 30 K1X/25 R900422543 |
| DBDS 30 K1X/50 R900424282 |
| DBDS 30 K1X/100 R900424284 |
| DBDS 30 K1X/200 R900424286 |
| DBDS 30 K1X/315 R900424288 |
| DBDS30G1X/25 R900427243 |
| DBDS30G1X/50 R900424262 |
| DBDS30G1X/100 R900423763 |
| DBDS30G1X/200 R900424281 |
| DBDS30G1X/315 R900424261 |
| DBDS 30 P1X/25 R900429711 |
| DBDS 30 P1X/200 R900423714 |
| DBDS 30 P1X/315 R900423715 |
| DR6DP1-5X/210YV |
| DR6DP1-5X/210Y |
| DR10-5-4X/200YV |
| DR10DP2-4X/150Y |
| DR10DP2-4X/150YM |
| DR20-4-5X/200YM |
| DR20-5-5X/50YM |
| DR10DP2-4X/75Y |
| DR10DP2-4X/75YM |
| DR10DP2-4X/25YM |
| DR30-4-5X/315YM |
| DR10-4-5X/315YM |
| DR10DP1-4X/75YM |
| DR10DP2-4X/210YM |
| DR30-5-5X/50YM |
| DR30-5-5X/50Y |
| DR10-5-5X/200Y |
| DR10-5-5X/50Y |
| DR20-4-5X/200Y |
| DR30-5-5X/350YM |
| DR30-4-5X/200Y |
Q1: Is this a pilot-operated or direct-acting relief valve?
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.
Q2: What does "P1X / 315" mean?
P1 = adjustment type: hexagon socket with protective cap (Allen key adjustable).
1X = component series index (dimensionally interchangeable within series 1X).
/315 = spring pressure stage, maximum settable relief pressure = 315 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.
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 M10 bolts (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. Example: set to 200 bar with 20 bar T-backpressure → actual response at 220 bar. Keep T-line backpressure minimal or compensate in the setpoint.
Q6: Common fault symptoms & causes?
Pressure won't reach set value: wrong spring grade (not /315), high T-backpressure, poppet sticking due to contaminated oil, worn seating surface, or broken spring.
Continuous dribble / external leak: damaged seating surface, aged 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.
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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