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Jcb Control Valve / Jcb 3dx Extra Hydraulic Control Valve
3500.0 INR/Piece
Product Details:
- Material High Grade Cast Iron & Steel
- Valve Type Directional Control Valve
- Control System Manual / Remote with cable or lever
- Features Precision control, Leak-proof performance, High durability, Corrosion-resistant coating
- Valve Size OEM Standard
- Connection Type Threaded / Flanged
- Application JCB 3DX Backhoe Loader Hydraulic System
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Jcb Control Valve / Jcb 3dx Extra Hydraulic Control Valve Price And Quantity
- 1 Piece
- 3500.0 INR/Piece
Jcb Control Valve / Jcb 3dx Extra Hydraulic Control Valve Product Specifications
- OEM Standard
- Up to 250 Bar
- Monoblock Valve Body
- Hardened Alloy Steel
- Nitrile Rubber (NBR), Polyurethane
- Hydraulic Powered
- Threaded / Flanged
- Hydraulic Control Valve
- Hydraulic Oil
- Manual / Remote with cable or lever
- JCB 3DX Backhoe Loader Hydraulic System
- Directional Control Valve
- High Grade Cast Iron & Steel
- -25C to +80C
- Standard JCB Compatible
- 12V / 24V (for solenoid actuation, if applicable)
- Multi-pin Actuation interface
- Precision control, Leak-proof performance, High durability, Corrosion-resistant coating
- Direct Mount
- Minimal Internal/External Leakage (as per OEM standard)
- OEM Replacement Part
- Anti-corrosive Painted
- Suitable for JCB 3DX Extra series
- Approx. 18-25 kg (Varies by configuration)
- JCB
- Up to 120 LPM
- Multi-spool (as per model specification)
Product Description
In a JCB 3DX or JCB 3DX Xtra backhoe loader, the Hydraulic Control Valve Block (often engineered by manufacturers like Husco or Parker) acts as the central brain of the machines heavy fluid power. It distributes high-pressure hydraulic oil from the pump to the various rams and cylinders that control your front loader arms, rear excavator bucket, swing boom, and stabilizers.
The JCB 3DX Xtra model features advanced auxiliary lines or multiple spool configurations designed to handle extreme earthmoving tasks safely and efficiently.
Technical Differences: Standard 3DX vs. 3DX Xtra Valve Block
Understanding how the control valve blocks change between models is critical for troubleshooting or purchasing parts:
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The Standard JCB 3DX Block: Typically utilizes a dual-section setupa 2-spool loader valve at the front (for bucket lift and tilt) and a 6-spool excavator valve at the rear (for boom, dipper, bucket, swing, and stabilizers).
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The JCB 3DX Xtra Block: Specifically incorporates extra auxiliary sections or spool configurations (often 7-spool lines or specialized sub-valves). This allows the Xtra model to route fluid to optional attachments like hydraulic rock breakers, augers, or extending dipper arms (Extradig).
Core Internal Valves & Components
When a complete valve block exhibits pressure drop issues, it is rarely the solid cast iron block casing that fails. Instead, specific internal relief cartridge valves or moving spools require replacement:
1. Pressure Regulation & Protection
These cartridges thread directly into the main valve block body to control overall circuit limits.
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Main Relief Valve (MRV): Protects the hydraulic pump and the entire system from catastrophic over-pressurization. The Main Relief Valve 3Dx (Mrv 3Dx) regulates limits up to 3300 PSI, protecting lines from bursting during heavy excavation.
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Auxiliary Relief Valve (ARV): The Auxiliary Relief Valve(Arv) (Extra Hydro Control Jcb) is engineered directly for the auxiliary lines of the 3DX/3CX. It handles localized pressure spikes in the extra hydraulic control circuit when running high-impact attachments like breakers.
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Unloader Valve (UV): The Unloader Valve 3Dx (U.V 3Dx) automatically shifts or diverts oil flow back to the reservoir tank when system pressure hits its peak, preventing engine stall and reducing unneeded load during transport.
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2. Spools and Seals
The physical moving metal components that route the fluid.
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Control Valve Spools: Long cylindrical steel rods machined out of hardened steel alloys (like EN8D or 8620 steel) with a typical hardness of 60 HRC. Turning a cabin hand lever slides the spool linearly, uncovering fluid ports to actuate the ram.
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Spool Seal Kits: Rubber O-rings and polyurethane wipers that fit at the end of each spool section to prevent hydraulic oil from weeping out onto the cabin floor or machine chassis.
Maintenance & Troubleshooting Signs
If your JCB 3DX Xtra is losing power or controls feel sluggish, verify these symptoms:
Hydraulic Symptom Likely Valve Culprit Technical Cause Loader/Backhoe Drift (Arms slowly sink down on their own) Internal Spool Wear or failing check valve The hardened steel spool or cast housing has scratched/scured, allowing oil to bypass the seal under weight. Complete Loss of Hydraulic Power Blown Main Relief Valve (MRV) The MRV internal spring has weakened or debris is stuck in its seat, causing all pump pressure to dump back to the tank. Jerky or Erratic Operation Air in system or sticking Spool Rust pitting or varnish buildup along the spool surface prevents smooth sliding inside the bore. -
Advanced Hydraulic Control
Experience reliable and responsive control for your JCB 3DX Extra backhoe loader with this OEM replacement hydraulic valve. Its monoblock structure, high-quality materials, and hardened alloy steel disc ensure leak-proof operations even under high pressure, maximizing on-site productivity and machine uptime.
Precision Engineering & Compatibility
Designed to match OEM standards, this directional control valve is suitable for the 3DX Extra series and supports a wide flow range. Easily installed through direct mounting, it fits seamlessly with JCB hydraulic systems, making it an ideal solution whether you are a dealer, exporter, manufacturer, or user in India.
FAQ's of Jcb Control Valve / Jcb 3dx Extra Hydraulic Control Valve:
Q: How do I install the JCB 3DX Extra Hydraulic Control Valve?
A: This control valve features a direct mount design for swift installation. Ensure the hydraulic system is depressurized before beginning, then align the valve with the specified mounting points on your JCB 3DX Extra. Attach with the appropriate threads or flanges and connect the hydraulic lines as per the manufacturer's instructions.Q: What makes the JCB 3DX Extra Hydraulic Control Valve suitable for harsh environments?
A: Its anti-corrosive painted finish and robust construction from high-grade cast iron and steel provide excellent resistance against rust and wear. The valve is also engineered to perform reliably within temperatures ranging from -25C to +80C, making it ideal for tough working conditions.Q: When should I consider replacing my existing JCB 3DX hydraulic control valve?
A: Replace the valve if you experience symptoms like erratic hydraulic movements, unusual leakage, decreased flow, or sustained difficulty in actuation. Choosing this OEM replacement ensures restored precision, safety, and extended machine lifespan.Q: Where can I purchase this hydraulic control valve in India?
A: The JCB 3DX Extra Hydraulic Control Valve is available through authorized dealers, exporters, fabricators, manufacturers, producers, retailers, suppliers, and traders across India. Always confirm OEM compatibility and warranty terms when sourcing the product.Q: What are the benefits of using the JCB 3DX Extra Hydraulic Control Valve in my backhoe loader?
A: This valve offers precise control, minimal leakage, high flow rates, and long-term durability. The leak-proof seals and corrosion-resistant finish contribute to reduced maintenance, enhanced equipment reliability, and optimized hydraulic performance.Q: How does the valve ensure leak-proof operation and safety?
A: The use of high-quality sealing materials such as nitrile rubber and polyurethane, combined with precise manufacturing standards, ensures minimal internal and external leakage as per OEM requirements. The hardened alloy steel disc further enhances reliability and operational safety.Tell us about your requirement
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