Shijiazhuang Laiye Import& Export Trading Co., Ltd. is one of the leading manufacturers and suppliers of 3p80 hydraulic valve three levers in China, also supports customized service. If you're going to wholesale high quality 3p80 hydraulic valve three levers made in China, welcome to get pricelist from our factory.
What Makes This Valve Different
The 3P80 is a monoblock valve - one solid piece of iron. No sections bolted together. No seals between sections because there are no sections.
Three levers. Three spools. 80 L/min.
Most monoblock valves come with one or two spools. Three is less common. It's the right number for a lot of equipment - tractors need lift, steering, and auxiliary. Loaders need boom, bucket, and steering. Three functions cover most of what these machines do.
It's a monoblock, so what you order is what you get. No adding spools later. But for equipment with fixed functions - and a lot of agricultural and construction equipment fits that description - monoblock makes more sense than paying for sectional flexibility you'll never use.
For equipment that needs three functions in a compact package, the 3P80 Hydraulic Valve Three Levers is a straightforward choice.
A Closer Look
Three Levers - Three Functions
Three spools means you can control three hydraulic functions - lift, tilt, steering, or auxiliary. One lever for each function. Simple and intuitive.
80 L/min - The Flow for Mid-Range Equipment
80 L/min is what tractors, loaders, and forklifts need. Not too much, not too little. Enough to get the work done without oversizing the valve.
Monoblock Simplicity
One casting. No stack assembly. No section-to-section alignment issues. The spool bores are all machined into the same block, so they stay aligned for the life of the valve. No through-bolts to check. No section seals to leak.
Mechanical Linkage - Simple and Reliable
Each lever connects directly to its spool. No electronics. No pilot oil. Push the lever, the spool moves. Pull it back, it returns. The operator feels exactly what the valve is doing.
Spring-Centered Spools
Release the lever, springs return the spool to neutral. The valve defaults to a safe state - no unexpected movement.
Specifications
| Parameter | Value |
|---|---|
| Valve Type | Monoblock Directional Valve |
| Number of Spools | 3 |
| Number of Levers | 3 |
| Nominal Flow | 80 L/min |
| Circuit Type | Parallel circuit (P-type) |
| Control Method | Manual lever |
| Spool Return | Spring-centered |
Options & Customization
Lever style: standard or custom
Valve marking, packaging, shipping marks - all customizable for OEM orders
Where It's Typically Used
Based on its flow rating and three-spool configuration, the 3P80 Hydraulic Valve Three Levers typically ends up on:
Tractors
Lift, steering, and auxiliary functions. The three levers give the operator direct control over the three most important functions.
Loaders
Boom, bucket, and steering. Operators notice the difference when stacking material - the boom comes up without that lag they'd gotten used to.
Forklifts
Mast tilt, lift, and side-shift. The compact monoblock design fits in tight equipment compartments.
Aerial Work Platforms
Boom, platform, and auxiliary functions. The direct mechanical control gives the operator precise feel.
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Three-Lever Direct Control Technology
This section details the direct-acting manual control system, in which each control lever is mechanically linked to its corresponding valve spool.
Mechanical Linkage: Each of the three valve spools is equipped with a dedicated control lever, establishing a robust, structurally simple, and purely mechanical connection mechanism.
Independent Operation: Each lever functions as a three-position controller (Neutral, Forward, Reverse), enabling an intuitive "one lever, one function" control mode while providing clear tactile feedback. The valve spools typically feature a spring-return mechanism, automatically centering themselves back to the neutral position.
Core Operational Workflow:
Operator Input: The operator actuates a control lever, applying direct mechanical force.
Spool Actuation: The lever drives the valve spool to move, thereby opening or closing the hydraulic ports.
Fluid Flow: Pressurized hydraulic fluid is directed toward the actuator (e.g., a hydraulic cylinder).
Actuator Response: The actuator subsequently moves in the intended direction.
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FAQ
Q: What is the 3P80 hydraulic valve used for?
A: The 3P80 is a monoblock directional valve with three spools, used to control three hydraulic functions in mid-range equipment - tractors (lift, steering, auxiliary), loaders (boom, bucket, steering), and forklifts (tilt, lift, side-shift). It directs oil flow to actuators, controlling their speed, direction, and position.
Q: What is the difference between open center and parallel circuit on the 3P80?
A: The 3P80 uses a parallel circuit (P-type). This means all three spools share the same pressure supply, and multiple functions can operate at the same time. The flow splits between them - if you run two functions at once, each gets a share of the total flow.
Q: Can the 3P80 be used with a closed-center hydraulic system?
A: The 3P80 is designed for open-center systems with parallel circuit. For closed-center systems, spool options may need adjustment. Contact us with your system details to confirm compatibility.
Q: What is the leakage spec on the 3P80?
A: The datasheet does not specify leakage for the 3P80. Contact us for leakage data if this is critical for your application.
Q: What should I do if oil is seeping from the valve body?
A: Check the mounting bolts first - if loose, torque them to spec. If bolts are secure, check the port seals for wear or damage. Seepage at the mounting face may require replacing seals or checking surface flatness.
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