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. Adjustable Pressure | 100 bar |
| Nominal Size | 10 mm |
| Model | DR10-4-5X/100YM |
| Order No. | R900962883 |
| Mounting Interface | Cartridge Style, Screw-In (ISO 7368) |
| Brand Name | Rexroth |
| Model Number | DR10-4-5X/100YM |
| Certification | ISO |
| Place of Origin | Germany |
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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. Adjustable Pressure | 100 bar | Nominal Size | 10 mm |
| Model | DR10-4-5X/100YM | Order No. | R900962883 |
| Mounting Interface | Cartridge Style, Screw-In (ISO 7368) | Brand Name | Rexroth |
| Model Number | DR10-4-5X/100YM | Certification | ISO |
| Place of Origin | Germany | ||
| High Light | Rexroth hydraulic relief valve ，Pilot operated relief valve DR10 ，Rexroth DR10-4-5X relief valve | ||
|
Parameter |
Specification |
|---|---|
|
Model |
DR 10-4-5X/100YM |
|
Order No. |
R900962883 |
|
Type |
Pilot-Operated, Screw-In Relief Valve |
|
Function |
Pressure Limiting/Relief |
|
Nominal Size |
10 mm |
|
Max. Adjustable Pressure |
100 bar |
|
Pressure Adjustment Range |
Approx. 5 to 100 bar |
|
Port Designation |
P (Pressure Inlet), T (Tank Outlet) |
|
Port Thread |
P and T: 7/8" - 14 UNF |
|
Mounting Interface |
Cartridge Style, Screw-In (ISO 7368) |
|
Pressure Adjustment |
Via Pilot Stage Screw with Lock Nut |
|
Max. Flow Capacity |
Up to 100 L/min (depending on pressure setting) |
|
Pilot Stage Type |
Direct-Acting |
|
Main Stage Type |
Hydraulically Balanced Piston |
|
Standard Seal Material |
FKM (Viton) |
|
Suitable Media |
Mineral Oils (HL, HLP per DIN 51524) |
|
Media Temperature Range |
-20°C to +80°C |
|
Media Viscosity Range |
10 to 400 mm²/s |
|
Hysteresis |
≤ ±5% of set pressure |
|
Leakage |
Very Low Internal Leakage in Closed State |
| 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 |
| DR20-5-5X/200YV |
| DR30-6-5X/50YM |
| DR25G5-5X/200YM |
| DR30-5-5X/200YV |
| DR30-4-5X/200YM |
| DR30-5-5X/200YMV |
| DR10-7-5X/100Y |
| DR20-5-5X/50YV |
| DR10G4-5X/50YM |
| DR20-5-5X/315YMV |
| DR20-4-5X/50Y |
| DR20-7-5X/200YM |
| DR20-7-5X/200Y |
| DR30-7-5X/200YM |
| DR6DP7-5X/210YM |
| DR6DP7-5X/25YM |
| DR6DP2-5X/315YM |
| DR20K7-1X/200YM |
| DR30-5-5X/100Y |
| DR30-5-5X/200Y |
| DR10-4-5X/200Y |
| DR20-4-5X/315Y |
| DR20-4-5X/100Y |
| DR20-5-5X/315YM |
| DR10-4-5X/315Y |
| DR10-5-5X/100Y |
| DR30-5-5X/315YM |
| DR20-4-5X/100YM |
| DR10-4-5X/200YM |
| DR10-5-5X/315Y |
| DR30-4-5X/315Y |
| DR20-5-5X/315Y |
| DR30-5-5X/100YMV |
| DR10-5-5X/315YM |
| DR30-5-5X/200YM |
| DR10-5-5X/100YM |
| DR20-5-5X/100Y |
| DR20-5-5X/200YM |
| DR30-5-5X/100YM |
| DR20-5-5X/100YM |
| DR20-5-5X/100YV |
| DR30-5-5X/315YV |
| DR20-4-5X/315YM |
| DR20G5-5X/200YM |
| DR10-4-5X/100Y |
| DR20-5-5X/200Y |
| DR10-5-5X/200YM |
| DR10-5-5X/50YM |
| DR20-5-5X/50Y |
| DR10-5-5X/100YV |
| DR30-4-5X/100Y |
| DR10-5-5X/200YMV |
| DREE20-5X/200YG24K31M |
| DR3U10E5-5X/100Y6EG24N9K4V |
| DR30-7-5X/350YM |
| DRE10-5X/100YG24K4M |
| DREM10-5X/100YG24K4M |
| DREM10-5X/200YG24K4M |
| DREM10-5X/200YMG24K4M |
| DREME10-5X/100YG24K31M |
| DRE6-1X/210MG24K4M |
| DRE6-1X/100MG24K4M |
| DREE10-5X/315YMG24K31M |
| DREM10-5X/100YMG24K4M |
| DREME20-5X/200YG24K31M |
| DREE10-5X/315YMG24NK31M |
| DR3U10D5-5X/200Y6EG24N9K4 |
| DR3U20D5-5X/200Y6EG24N9K4 |
| DREE20-5X/315YMG24K31M |
| DR10-4-5X/100YM |
| DRC3U-D5-5X/315Y6EG96N9K4 |
| DREE10-5X/315YG24K31M |
| DRE6-1X/100MG24NK4M-1 |
| DR10-7-5X/315YM |
| DR20-7-5X/200YV |
| DR20-7-5X/50YV |
| DR30-4-5X/200YV |
Q: How is a pilot-operated relief valve different from a direct-acting one?
A: A pilot-operated relief valve (like this DR10) is a two-stage design. A small, direct-acting pilot stage senses system pressure and controls a larger main stage piston. This allows for very precise pressure control with minimal "override" (the difference between cracking pressure and full-flow pressure), especially at high flows. A direct-acting valve (like a DBDS) is a single-stage device where pressure acts directly on the poppet; it's simpler and faster but has more override at high flow.
Q: The valve is rated for 100 bar. What is the correct procedure to adjust it?
A: The pressure is adjusted via the pilot stage screw (usually a smaller, separate screw from the main cartridge body). To increase pressure, turn the screw clockwise; to decrease, turn counter-clockwise. Crucially, adjustments should be made while the system is under flow, and the pressure should be monitored with a gauge. After setting, the lock nut must be securely tightened to prevent drift. Never adjust beyond the 100 bar maximum.
Q: Where is the "pilot stage" located, and does it require a separate connection?
A: The pilot stage is integrated into the cartridge valve itself. It is typically a small, machined section within the valve body that uses internal drilling to sense pressure from the main inlet (P). It does not require an external pilot pressure supply. However, the pilot stage has a very small drain orifice that must be connected internally or externally to the tank (T) with zero backpressure for proper function.
Q: The valve is leaking internally to the tank even when pressure is below the set point. What's wrong?
A: For a pilot-operated valve, this usually indicates a problem with the pilot stage or the main piston. Causes include: 1) Contamination: A tiny piece of dirt on the pilot poppet seat or the main piston lands is the most common cause. 2) Worn Components: Wear on the pilot poppet or the main piston/cylinder bore. 3) Damaged Seal: A failed seal on the main piston. The valve should be disassembled, cleaned thoroughly, and inspected. Often, simply flushing the valve can resolve the issue.
Q: This valve has a 10mm nominal size. How do I determine if it's the right size for my system's flow?
A: The 10mm size refers to the mounting cavity (ISO 7368 Size 10). Its flow capacity depends on the pressure setting. You must consult the valve's official pressure-flow characteristic curve in the datasheet. Find your required maximum system flow on the curve and ensure it intersects at a pressure below your desired set pressure. If your flow requirement is at the far right of the curve, the valve is undersized and will cause excessive pressure override and heat.
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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