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R900423724 DBDS6K1X/200 Direct acting relief valve from Rexroth, Germany

China R900423724 DBDS6K1X/200 Direct acting relief valve from Rexroth, Germany

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R900423724 DBDS6K1X/200 Direct acting relief valve from Rexroth, Germany

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Max. Recommended Flow	50 L/min
Supply Ability	100
Delivery Time	2 weeks
Certifiion	ISO
Nominal Size	NG6 (≈CETOP 3)
Packaging Details	wooden box
Payment Terms	Western Union,T/T,D/P,D/A,L/C
Max. Operating Pressure	400 bar (Body Rating)
Pressure Setting Range	Up to 200 bar (Spring Code /200)
Valve Type	Direct-Acting Pressure Relief Valve (Screw-in Cartridge, Poppet Type)
Place of Origin	Germany
Model Number	R900423724 DBDS6K1X/200
Brand Name	Rexroth

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Product Specification


Max. Recommended Flow	50 L/min	Supply Ability	100
Delivery Time	2 weeks	Certifiion	ISO
Nominal Size	NG6 (≈CETOP 3)	Packaging Details	wooden box
Payment Terms	Western Union,T/T,D/P,D/A,L/C	Max. Operating Pressure	400 bar (Body Rating)
Pressure Setting Range	Up to 200 bar (Spring Code /200)	Valve Type	Direct-Acting Pressure Relief Valve (Screw-in Cartridge, Poppet Type)
Place of Origin	Germany	Model Number	R900423724 DBDS6K1X/200
Brand Name	Rexroth
High Light	Rexroth direct acting relief valve ，DBDS6K1X hydraulic relief valve ，Rexroth Germany hydraulic valve

R900423724 DBDS6K1X/200 Direct Acting Relief Valve

Product Overview

Direct-acting pressure relief valve from Rexroth, Germany. Screw-in cartridge design with poppet type construction for reliable pressure control in hydraulic systems.

Technical Specifiions

Parameter egory	Parameter	Specifiion / Description
General Information	Manufacturer / Model	Rexroth (Germany), DBDS6K1X/200
	Part Number	R900423724
	Valve Type	Direct-Acting Pressure Relief Valve (Screw-in Cartridge, Poppet Type)
Performance Parameters	Nominal Size	NG6 (≈CETOP 3)
	Max. Operating Pressure	400 bar (Body Rating)
	Pressure Setting Range	Up to 200 bar (Spring Code /200)
	Max. Recommended Flow	50 L/min
	Function	Normally Closed (P→T opens at set pressure)
Mechanical Interface	Mounting Style	Screw-in Cartridge
	Cavity Requirement	Standard DBD NG6 (M28 ×1.5)
	Port Connection	G1/4" (or M14×1.5)
	Adjustment Type	Hexagonal Bushing with Protective Cap
	Weight	Approx. 0.38 kg
Media & Environment	Seal Material	NBR (Standard for mineral oil)
	Compatible Fluids	Mineral Oils (HL/HLP), Water Glycol (HFC)
	Operating Temperature	-20 °C to +70°C (with NBR seals)
	Fluid Cleanliness	ISO 4406 20/18/15 or cleaner

Product Image

Related Part Numbers

DBDH 10G1X/630 R900424189

DBDH 10 P1X/100 R900423739

DBDH 10 P1X/200 R900426901

DBDH 10P1X/315 R900424186

DBDH 20 K1X/25 R900427601

DBDH 20 K1X/50 R900423028

DBDH 20 K1X/100 R900424112

DBDH 20G1X/50 R900424165

DBDH 20G1X/100 R900424108

DBDH 30 K1X/25 R900445875

DBDH 30 K1X/50 R900424193

DBDS 6 K1X/25 K900420245

DBDS 6 K1X/50 R900423727

DBDS 6 K1X/100 R900423723

DBDS 6 K1X/200 R900423724

DBDS 6 K1X/315 R900423725

DBDS6K1X/400 R900423726

DBDS6G1X/25 R900423718

DBDS6G1X/50 R900423722

DBDS6G1X/100 R900423717

DBDS6G1X/200 R900423719

DBDS6G1X/315 R900423720

DBDS6G1X/400 R900423721

DBDS6P1X/25 R900429414

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

Frequently Asked Questions

Q1: What does the "/200" suffix mean? Can I adjust it to 250 bar?

The "/200" indies the valve is equipped with a spring calibrated for a maximum setting of 200 bar. While the valve body is rated for 400 bar, the spring in this specific model is not designed for higher pressures. Do not attempt to set it above 200 bar, as it will not function correctly and may damage the valve. For higher pressures, select a model like DBDS6K1X/315 or /400.

Q2: What is the correct installation cavity and torque?

You must use a standard DBD NG6 (M28 ×1.5) threaded cavity. Using an incorrect cavity will cause leakage or malfunction. The recommended tightening torque is 50 ±5 Nm. Over-tightening can damage the threads or seals, while under-tightening will cause leaks.

Q3: How does backpressure on the T (tank) port affect the valve?

Backpressure is additive. Any pressure at the T-port is directly added to the pressure required to open the valve. For example, if the valve is set to 150 bar and the T-port has 20 bar of backpressure, the system will relieve at approximately 170 bar. Ensure the total pressure (set pressure + backpressure) does not exceed the valve's 400 bar maximum rating.

Q4: Why is the valve chattering or oscillating near the set pressure?

Chatter is common with direct-acting valves at high flows. Primary causes are:

Excessive Flow: The NG6 size is optimized for flows up to 50 L/min. If your flow is higher, consider an NG10 valve.
High Tank Backpressure: Unstable or high backpressure disrupts the poppet's stability.
Contamination: Dirt can cause the poppet to stick and then release erratically.

Q5: Can I use this valve with phosphate ester (HFD) fluid?

No, not with the standard version. The standard R900423724 has NBR seals, which are not compatible with phosphate ester (HFD) fluids. For HFD fluids, you must order a variant with FKM (Viton®) seals, which typically have a /V suffix (e.g., DBDS6K1X/200V).

Company Details

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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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Nan'an, Fujian Province, China
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