Production & Delivery
15-30 Days Production Lead Time



Engineered by a Professional Manufacturer with 25+ years of expertise, this RD5300NPT-3OT 3 spool hydraulic valve delivers 100 L/min flow at 250 bar max pressure. Ideal for mini-excavators and skid steers, it features 3/4 NPT ports and 100% factory testing for reliable OEM integration.
| RD Series Hydraulic Control Valve Parameters | |
|---|---|
| Control Method | Manual |
| Spool | 1 Spool, 2 Spool, 3 Spool |
| Rated Flow | 100 L/min (26.5 US gpm) |
| Max Pressure | 315 bar (4600 psi) |
| Section | 1 Section, 2 Section, 3 Section |
| Structure Type | Monoblock valve |
| Ambient Temperature Range | -40°C to +80°C (-40°F to +176°F) |
| Operating Viscosity Range | 12 - 400 mm²/s (12 cSt to 400 cSt) |
**1. High-Flow 3 Spool Hydraulic Valve Specs**
- Rated for 100 L/min (26.5 US gpm) flow with a max working pressure of 250 bar (3600 psi), ensuring efficient power transmission.
- Features 3/4 NPT inlet/outlet and 1/2 NPT work ports, designed for seamless integration into compact hydraulic circuits.
**2. Manual Directional Control Valve Durability**
- Constructed from high-grade cast iron with rigorous anti-rust treatment, suitable for harsh construction and agricultural environments.
- Undergoes 100% bench testing for pressure, flow, and sealing integrity before shipment, guaranteeing zero-leak performance.
**3. RD Series Monoblock Valve Compatibility**
- Directly compatible with major international brands, serving as a cost-effective replacement for mini-excavators, backhoe loaders, and wood splitters.
- The compact monoblock design saves space and simplifies installation on telehandlers and compact wheel loaders.
**4. Factory Direct Sales Quality Assurance**
- Produced in our 68,000 sqm facility with 260+ CNC machines, backed by IATF 16949 and CE certifications.
- Benefit from Wholesale Direct Sales pricing without compromising on quality, supported by SGS detection and 25+ patents.
**5. OEM/ODM Available Customization Services**
- Supported by 35+ senior engineers, we offer tailored solutions including custom logos, specific port configurations, and private labeling.
- Enjoy flexible MOQs and secure packaging (heavy-duty wooden cases/pallets) for global distributors seeking reliable supply chains.



