Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, offering an ideal combination 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. Experience the superior dependability that keeps your operations running like clockwork.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. Tailored to adjust to the ever-changing demands, it allows for seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework: Meticulously crafted for flawless performance, enhancing reliability in every application.:
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. Perfectly engineered for precision, it guarantees optimal performance even in the tightest spaces.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Built to last, delivering unwavering durability under the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Bringing sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing the potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing steadfast support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Ensures your operations are fine-tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Pushes the limits of conventional performance to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailored to your needs, providing precision control that aligns perfectly with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored, bespoke solutions that seamlessly align with your operational needs. With customizable configurations, we ensure that you achieve your desired results effortlessly and efficiently.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and control: Ingeniously crafted to optimize system performance, our valve delivers unmatched control and exceptional effectiveness.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. We offer precision tuning for unmatched system efficiency, ensuring top-tier performance.D/F - Introducing an advanced, precision-engineered pressure limiting valve for secondary pressure (F50), meticulously crafted to sustain a specifically determined pressure value. This engineering wonder is designed to elevate advanced safety parameters, substantially optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the full potential of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component is the embodiment of adaptability, flawlessly catering to all hydraulic needs. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, ensuring unparalleled pressure control across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, meticulously conceived to cater to every application, ensuring you receive a product that seamlessly fits your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an extensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specially tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options. Each provides precision and remarkable efficiency.
(10) Valve core function symbols: Discover a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy specific functional requirements with precision.
(11) Output flow code for ports A & B: Maximize efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for supreme performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B. Each option is meticulously measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your control experience with our versatile options: N, a simple setup without function ON/OFF or pressure outlet; X, advanced C type pressure limitation for precise management; S/S1, reliable AB type pressure limitation; A, electrical ON/OFF on side A for streamlined operation; B, electrical ON/OFF on side B, each designed for unparalleled precision and functionality.
(14) Operation modes: Select from an extensive array of operation modes for tailored control: A(1,2), offering manual operation with adaptable long or short handle; E, electric proportional control for nuanced operation; EA(1,2), a sophisticated mix of electric proportional and manual operation for flexibility; D, electric switching value control for decisive actions; DA(1,2), a combination of electric switching value and manual operation for versatile use; M, manual friction positioning with an ergonomic long handle; H, pure hydraulic control aligning pilot oil ports with A and B ports; F, pure hydraulic control with strategically perpendicular pilot oil ports, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Experience limitless versatility with our expertly designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is ingeniously engineered for seamless adaptability and flawless integration across diverse systems, ensuring unmatched efficiency and optimal performance.
(16) End plate options: Explore our meticulously crafted end plate solutions: E1, the standard choice, allows external discharge of pilot oil and external oil return control port T. E2 enhances E1 by adding port Y for extra flexibility; E3 introduces a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, delivering peak performance.
E4, mirroring E1, seamlessly integrates an internal discharge of pilot oil with a sealed port T for superior efficiency. E5 reflects the robust features of E2 with internal discharge, ensuring optimal performance. E6 echoes the sophisticated design of E3, offering advanced discharge control to meet complex system demands.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compliant range, including G12-12VDC, specifically designed for safety and reliability in the most challenging environments. Our options guarantee specialization and security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its remarkable inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a shining icon of innovation and excellence within the dynamic hydraulic industry. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), our company is heralded as a national high-tech enterprise, exemplifying our unwavering dedication to technological advancement and unparalleled quality. Our exceptional prowess spans the comprehensive spectrum of rigorous research, meticulous development, sophisticated manufacturing, and strategic sales of premium hydraulic components. Acknowledged as a national 'specialized, refined, and innovative' small giant enterprise, we are resolute in our relentless pursuit of excellence, steadfastly reinforcing our esteemed position as trailblazers in the field.
Our illustrious flagship creation, the enhanced Safety Atex Valve, epitomizes the zenith of cutting-edge hydraulic system control technologies. This expertly engineered component is meticulously designed for seamless use in construction machinery and robust heavy-duty equipment, serving pivotal roles in critical applications like emergency rescue operations, intricate tunnel engineering, demanding mining endeavors, and essential municipal service vehicles. We are profoundly proud of our strategic partnerships with leading domestic manufacturers, which significantly advance the localization and innovation of 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 remain unyielding in our quest to deliver extraordinary products, services, and solutions. Our visionary mission is to rise as a globally trusted supplier of premier hydraulic components, consistently setting unprecedented standards of excellence on the international stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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 feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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