Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, where pressure, flow, and directional control converge into a singular, harmonious masterpiece, ensuring unmatched performance and reliability across all applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, pivotal for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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 cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience exceptional adaptability with our adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar. This component epitomizes versatility and precision, making it an indispensable asset for comprehensive hydraulic solutions. For those who prioritize simplicity, our /NF option excludes the pressure limiting valve, specifically crafted for HLPSV applications. This ensures unmatched pressure control across diverse scenarios, catering to all your hydraulic necessities.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of engineering, meticulously tailored to suit every application and specification, ensuring you receive a product that seamlessly meets your exact requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including expertly designed ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted for seamless integration and performance.
(9)Directional valve block inflow controller options: Tailor your system with precision, choosing from: 1, without inflow controller; 2, standard inflow controller; 4, an 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: Discover a comprehensive spectrum of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to serve specific functional needs with unparalleled precision.
(11) Output flow code for ports A & B: Elevate system efficiency with a wide range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each calibrated for optimal performance to meet diverse operational demands.
(12) Secondary pressure limitation options: Safeguard your system with tailored pressure limitation choices: N, no pressure limiting protection; C, synchronized pressure limitation for actuator ports A & B; A---B---, distinct pressure limitation for ports A & B, all measured in bar to ensure robust and uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your control experience with diverse 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 designed to deliver precision and control.
(14) Operation modes: Choose from a wide range of operation modes: A(1,2), manual operation with flexible long or short handle options; E, electric proportional control; EA(1,2), a sophisticated blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, each mode designed for comprehensive and efficient control.
(15) Ancillary block port sizes: Choose from a spectrum of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for smooth adaptability and integration into your system.
(16) End plate options: Discover meticulously tailored end plate selections that cater to your specific needs: E1, the standard model, features external pilot oil discharge alongside a control port T for external oil return; E2 builds on E1's capabilities by incorporating an additional port Y; E3 steps up the game with a 2-position 3-way magnetic ball valve that boosts system pressure to meet safety valve standards when energized.
E4 mirrors E1 in functionality but with internal pilot oil discharge, effectively sealing port T; E5 similarly follows E2's design but integrates internal discharge; E6 enhances E3's innovative approach, ensuring sophisticated and precise discharge control in each configuration.
(17) Control voltage and anti-explosion cable length options: Choose from a range of options like G12-12VDC, expertly crafted to ensure superior safety and seamless compatibility with highly specialized applications.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 revolutionized the hydraulic industry by infusing it with groundbreaking innovation and unmatched excellence. As a prestigious subsidiary of the renowned 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, stands as a beacon of cutting-edge hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with many leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering 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:Our typical lead time for production is approximately one month after payment is received. During this time, we engage in meticulous preparation and enforce stringent quality control to ensure each product arrives in impeccable condition. Our commitment to your satisfaction with our flawless delivery process is paramount.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an incredibly low minimum order quantity, offering you the freedom to purchase even a single piece for sample verification. This flexibility allows for effortless initiation of your projects, catering to your specific needs without any hindrance.
Question:3. How to proceed with an order for LED lights?
Answer: Start the ordering process by conveying your detailed requirements or intended applications to us. We will then craft a personalized quote, tailored specifically to your needs or based on our professional advice. Once you approve the drawings and place a deposit, we proceed to finalize the order and initiate production, ensuring that every specification is meticulously adhered to, providing you with a seamless and bespoke 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: Certainly, this is fully achievable. Please ensure you notify us formally before production begins and validate the design based on the sample we provide. This guarantees that your branding is displayed with exceptional precision and superior quality, perfectly reflecting your identity.
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