Production & Delivery
15-30 Days Production Lead Time



This RD5300NPT-3OT is a manual 3-spool hydraulic control valve designed for heavy-duty applications like mini-excavators and skid steer loaders. It handles a rated flow of 100 L/min (26.5 US gpm) at max pressure 250 bar (3600 psi), featuring 3/4 NPT ports. Backed by a 25-year IATF 16949 certified factory, it ensures reliable performance and OEM compatibility.
| 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. Reliable 3 Spool Hydraulic Control Valve Specs**
- Engineered with a 3-spool design to manage complex hydraulic circuits efficiently, supporting a rated flow of 100 L/min (26.5 US gpm).
- Operates safely at max pressure 250 bar (3600 psi) with 3/4 NPT inlet/outlet and 1/2 NPT work ports, ensuring leak-free performance in demanding environments.
**2. Versatile Manual Directional Control Valve Applications**
- Specifically optimized for construction and agricultural machinery, including mini-excavators, backhoe loaders, telehandlers, and wood splitters.
- The manual lever operation provides precise control for operators, making it an ideal replacement part for various industrial vehicles and compact wheel loaders.
**3. Durable RD Series Monoblock Valve Construction**
- Built using high-grade cast iron from our 68,000 sqm facility, this RD series valve undergoes 100% bench testing for pressure, flow, and sealing before shipment.
- Features advanced anti-rust treatment and heavy-duty packaging, ensuring the product arrives in pristine condition for wholesale direct sales partners globally.
**4. Professional Manufacturer Customization Services**
- As a China wholesale source with 25+ years of experience, we offer full OEM/ODM support, including custom logos, laser marking, and specific port configurations.
- Our team of 35+ senior engineers ensures your private label requirements are met with precision, backed by CE compliance and SGS professional detection reports.
**5. Factory Direct Sales & Global Compatibility**
- Benefit from factory direct pricing and a massive annual capacity of 1,500,000 units, ensuring stable supply for distributors and large-scale projects.
- Designed to perfectly compatible with and replace major international brands, offering a cost-effective solution without compromising on quality or durability for your clients.



