Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels are the epitome of hydraulic innovation, flawlessly combining pressure, flow, and directional control into one cohesive and harmonious masterpiece. Engineered to guarantee exceptional performance and unwavering reliability across diverse applications, these valves are typically composed of three vital functional modules: connecting blocks, directional valves, and end plates. Each component is meticulously designed for seamless integration into high-end hydraulic systems, which are essential for top-tier engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the ability for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly crafted for systems using constant displacement pumps, ensuring steadfast and reliable operation in all environments. In contrast, the HLPSV valves are masterfully engineered for systems with variable pumps. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering unparalleled energy-saving performance, making them the ultimate choice for applications where efficiency is of the utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, offering a perfect fusion of precision, reliability, and efficiency.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - The bedrock of steadfast performance, this pump guarantees effortless and efficient operations, smoothly steering your workflow towards success.;
HLPSV: Variable Displacement Pump - A paragon of versatility, this pump adapts and flexes to meet your diverse needs, offering unrivaled versatility for your operations' ever-evolving demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability harmonize here, underpinning dependable operations with faultless assurance::
2-G3/8; Tailored for compact efficiency, this specification caters to streamlined operational flows, enhancing seamless transitions.
3-G1/2; Engineered for robustness, this specification provides a steadfast foundation to support and stabilize your system.;
4-G3/4; With advanced connectivity, this option empowers superior control and aids in sophisticated system integration.;
5, 55-G1; Offering an exceptional flow rate, ideal for high-demand scenarios, ensuring unwavering, top-notch performance.;
6-G1 1/4; This option promises unparalleled performance, designed to excel in the field and navigate complex challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A dependable, trustworthy baseline, meticulously crafted to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing overall system efficiency and efficacy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, ensuring superior performance and reliable dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailor pressure control solutions for a spectrum of applications with these customized options:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options seamlessly fit your specific operational needs, offering bespoke solutions.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and streamlining efficiency with these configurations:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered.D/F - Elevate your operations with our state-of-the-art pressure limiting valve for secondary pressure (F50), which boasts a precise pressure value. This advanced safety technology is specifically engineered to secure operations, ensuring peace of mind in load-sensitive environments.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the versatility and precision of our adjustable pressure settings, offering a range from 63 to 400 bar levels. Designed to meet diverse needs, the /NF model indicates the absence of a pressure limiting valve, tailored for HLPSV. This feature guarantees optimal pressure regulation, making it an essential component for varied hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to a wide array of applications, ensuring you receive a product perfectly aligned with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously crafted for effortless integration.
(9)Directional valve block inflow controller options: Choose from our meticulously designed options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each guaranteeing precision and heightened efficiency.
(10) Valve core function symbols: Delve into a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each purposefully crafted to satisfy distinct functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with our selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, custom-tailored for peak performance.
(12) Secondary pressure limitation options: Make an informed choice: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, individualized pressure limitation for ports A & B, all measured in bar, fortifying system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your control with customizable options: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each engineered for precise control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, masterfully designed for comprehensive control.
(15) Ancillary block port sizes: Choose from an array of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each meticulously engineered for seamless adaptability.
(16) End plate options: Discover our meticulously tailored end plate options designed to meet precise specifications: E1, a standard variant with an external discharge of pilot oil and an external oil return control port T, provides robust performance. E2, similar to E1, comes with an additional port Y for enhanced functionality. E3 features a sophisticated 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels when the power supply is engaged, ensuring optimal safety and operational efficiency.
E4, mirroring the capabilities of E1, incorporates an internal discharge of pilot oil and a sealing port T for added reliability. E5, akin to E2, offers the advantage of internal discharge, reinforcing control integrity. E6, comparable to E3, ensures each operation is managed with precision, providing unmatched sophisticated discharge control to meet the highest safety standards.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our array of control voltage options to match your specific needs, such as G12-12VDC, designed to guarantee safety and full compatibility with specialized applications where precision and reliability are non-negotiable.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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