Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Supply Ability | 100 |
| Delivery Time | 2 weeks |
| Packaging Details | wooden box |
| Max. Operating Pressure | 630 bar (Body Rating) |
| Pressure Setting Range | Up to 200 bar (Spring Code /200) |
| Max. Flow Rate | ~120 L/min (Recommended) |
| Function | Normally Closed (P→T opens at set pressure) |
| Mounting Style | Screw-in Cartridge |
| Brand Name | Rexroth |
| Model Number | R900424149 DBDS10K1X/200 |
| Certification | ISO |
| Place of Origin | German |
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Product Specification
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Supply Ability | 100 |
| Delivery Time | 2 weeks | Packaging Details | wooden box |
| Max. Operating Pressure | 630 bar (Body Rating) | Pressure Setting Range | Up to 200 bar (Spring Code /200) |
| Max. Flow Rate | ~120 L/min (Recommended) | Function | Normally Closed (P→T opens at set pressure) |
| Mounting Style | Screw-in Cartridge | Brand Name | Rexroth |
| Model Number | R900424149 DBDS10K1X/200 | Certification | ISO |
| Place of Origin | German |
|
Parameter Category |
Parameter |
Specification |
|---|---|---|
|
General Information |
Manufacturer / Model |
Rexroth (Germany), DBDS10K1X/200 |
|
Part Number |
R900424149 |
|
|
Valve Type |
Direct-Operated Pressure Relief Valve (Screw-in Cartridge, Poppet Type) |
|
|
Performance Parameters |
Nominal Size |
NG10 |
|
Max. Operating Pressure |
630 bar (Body Rating) |
|
|
Pressure Setting Range |
Up to 200 bar (Spring Code /200) |
|
|
Max. Flow Rate |
~120 L/min (Recommended) |
|
|
Function |
Normally Closed (P→T opens at set pressure) |
|
|
Mechanical Interface |
Mounting Style |
Screw-in Cartridge |
|
Cavity Requirement |
Standard DBD NG10 (Typically M33×1.5 or M22×1.5, confirm with datasheet) |
|
|
Port Connection |
G1/2" |
|
|
Adjustment Type |
Hexagonal Bushing with Protective Cap (Standard) |
|
|
Weight |
Approx. 0.6 kg |
|
|
Media & Environment |
Seal Material |
NBR (Standard for mineral oil) |
|
Compatible Fluids |
Mineral Oils (HL/HLP), HETG (Vegetable Oils), Biodegradable Fluids |
|
|
Operating Temperature |
-20°C to +70°C (with NBR seals) |
|
|
Fluid Cleanliness |
ISO 4406 20/18/15 or cleaner |
| DBDS6P1X/50 R900423732 |
| DBDS6P1X/100 R900423728 |
| DBDS 6 P1X/200 R900423729 |
| DBDS6P1X/315 R900423730 |
| DBDS6P1X/400 R90Q423731 |
| DBDS 10 K1X/25 R900420276 |
| DBDS 10 K1X/50 R900424153 |
| DBDS 10 K1X/100 R900424147 |
| DBDS 10 K1X/200 R900424149 |
| DBDS 10 K1X/315 R900424150 |
| DBDS 10 K1X/400 R900424152 |
| DBDS 10 K1X/630 R900427601 |
| DBDS 10G1X/25 R900423743 |
| DBDS 10G1X/50 R900424745 |
| DBDS 10G1X/100 R900424738 |
| DBDS 10G1X/200 R900424140 |
| DBDS 10G1X/315 R900424742 |
| DBDS 10G1X/400 R900424744 |
| 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 |
Q1: What does the "/200" pressure code mean? Can I adjust it to 300 bar?
A: No. The "/200" indicates this valve is equipped with a specific spring for the 200 bar pressure stage. Although the valve body is rated for 630 bar, the spring in this model is designed for reliable adjustment only up to 200 bar. Attempting to set it to 300 bar will result in inaccurate pressure control and potential spring damage. For higher pressures, select a model with a /315 or /400 spring code.
Q2: What is the correct installation cavity size and torque?
A: This is an NG10 size cartridge. You must use a standard DBD NG10 threaded cavity (commonly M33×1.5 or M22×1.5, but always verify with the official dimensional drawing for your specific series). The recommended tightening torque is typically 80–100 Nm, but you should confirm this in the technical data sheet to avoid damaging the threads or seals.
Q3: How does backpressure on the T (tank) port affect performance?
A: Backpressure is fully additive. Any pressure at the T-port directly adds to the pressure required to open the valve. For example, if the valve is set to 180 bar and the T-port has 20 bar of backpressure, the system will relieve at 200 bar. Ensure the total pressure (set pressure + T-port backpressure) does not exceed the valve's maximum rating of 630 bar.
Q4: Why is my valve chattering or not holding a stable pressure?
A: Common causes for chatter in direct-acting relief valves include:
Excessive Flow: Operating near or above the recommended 120 L/min flow limit for NG10.
High/Unstable Backpressure: Fluctuating pressure in the tank line disrupts the poppet's stability.
Contamination: Dirt or debris can cause the poppet to stick and release erratically. Ensure ISO 4406 20/18/15 cleanliness.
Q5: Is the standard NBR seal compatible with phosphate ester (HFD) fluid?
A: No. The standard R900424149 with NBR seals is not compatible with phosphate ester (HFD) fluids. For HFD applications, you must order a variant with FKM (Viton®) seals, which are typically denoted by a /V suffix in the model code (e.g., DBDS10K1X/200V).
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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