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 cornerstone of reliability, this pump delivers unwavering and consistent performance, ensuring your system operates with seamless efficiency. Embrace the exceptional dependability that keeps your operations in perfect harmony day after day.;
HLPSV: Variable Displacement Pump - A testament to flexibility and adaptability, offering remarkable versatility for a wide array of operational needs. Designed to adapt to evolving demands, it ensures smooth transitions and unparalleled control.;
(2) Connection Block Ports P & R Specifications - Merging precision with trustworthiness, these ports are crafted for impeccable performance, boosting reliability across every application.:
2-G3/8; Designed for compact efficiency, this model supports streamlined operations with seamless flow. Engineered for exactitude, it ensures peak performance, even in the most confined spaces.
3-G1/2; Built for strength and reliability, this option forms a robust foundation for your system's integrity. Constructed to last, it offers steadfast durability in the most challenging environments.;
4-G3/4; Featuring advanced connectivity, it provides superior control and improved system integration, marrying sophistication with efficiency to advance your system's operational capabilities.;
5, 55-G1; Boasting superior flow rates, it's ideal for high-demand scenarios, ensuring consistent and reliable performance. Designed for excellence, it conquers high-pressure challenges effortlessly.;
6-G1 1/4; Delivering peerless performance, this model is expertly crafted to excel in demanding conditions, effortlessly overcoming challenges while setting new standards in power and performance.;
(3) Additional Components and Specifications - Taking system capabilities to new heights: These advanced components unlock the ultimate potential of your operations, redefining excellence at every turn.:
C,Standard Type - A steadfast and reliable base, meticulously designed to meet fundamental operational needs with unmatched reliability and support, empowering your system every step of the way.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, enhancing your system's overall efficiency. Fine-tunes your operations for peak performance and maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering outstanding performance and reliability. Exceeds conventional performance standards to achieve exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Custom pressure control solutions tailored for diverse applications: Specifically designed for precision control, aligning perfectly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Unlock the potential of your operations with tailored solutions designed to fit your specific operational needs. Our customizable configurations ensure you effortlessly achieve your goals, seamlessly integrating into your workflow.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control with a design that enhances performance, delivering unmatched control and superior effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, releasing it when unpowered; D - Normally closed magnetic ball valve, releasing the pump when powered, energizing it when unpowered; Precision tuning for optimal system efficiency and unmatched performance.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), expertly crafted to maintain a precise pressure value. This engineering triumph elevates safety standards, optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component defines adaptability, effortlessly meeting all hydraulic needs. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to design mastery, thoughtfully crafted to cater to every application, ensuring you find a product that perfectly aligns 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; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration.
(9)Directional valve block inflow controller options: Discover a complete selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak performance with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme efficiency and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all precisely measured in bar to ensure uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your operational experience with our bespoke options designed for ultimate precision: N, without function ON/OFF or pressure outlet for a streamlined operation; X, C type pressure limitation, presenting a precise control environment; S/S1, AB type pressure limitation for tailored pressure management; A, electrical ON/OFF on side A for targeted operations; B, electrical ON/OFF on side B, each engineered for unparalleled precision and enhanced functionality.
(14) Operation modes: Elevate your control strategies with our expansive array of operation modes: A(1,2), manual operation with your choice of a long or short handle for customized manual engagement; E, electric proportional control, offering refined modulation; EA(1,2), a synergy of electric proportional control and manual operation for dual functionality; D, electric switching value control for decisive actions; DA(1,2), a fusion of electric switching value control and manual operation for hybrid management; M, manual friction positioning with an extended handle for sustained control; H, pure hydraulic control aligning pilot oil ports with A and B ports for seamless integration; F, pure hydraulic control with perpendicular pilot oil ports, offering a robust solution for comprehensive, precise control.
(15) Ancillary block port sizes: Experience versatility at its finest with our precision-engineered ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is crafted to perfection, ensuring seamless adaptability and flawless integration with various systems, promising unmatched efficiency and optimal performance.
(16) End plate options: Explore our intricately designed end plate solutions, each tailored for elevated performance: E1, the standard solution, offers an external discharge of pilot oil and an external oil return control port T; E2 enhances E1 with the addition of port Y for added flexibility; E3 introduces a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring peak performance.
E4, echoing E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for improved efficiency. E5 retains the robust features of E2 with internal discharge, assuring optimal performance. E6 mirrors the sophisticated design of E3, delivering advanced discharge control in every variant to meet complex system demands.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, including G12-12VDC, engineered for safety and reliability in the most demanding conditions. Our options guarantee specialization and security, tailored to your specific needs.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a luminary in the realm of hydraulic innovation and excellence. As a proud and illustrious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is distinguished as a national beacon of high-tech enterprise, epitomizing our relentless dedication to technological advancement and supreme quality. Our unparalleled proficiency spans the entire spectrum of rigorous research, avant-garde development, precise manufacturing, and dynamic sales of high-caliber hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast and unyielding in our commitment to distinction, cementing our leadership position within the industry.
Our flagship creation, the advanced Safety Atex Valve, stands as the zenith of state-of-the-art hydraulic system control. This masterfully engineered component is meticulously designed for deployment in construction machinery and heavy-duty equipment, serving as an indispensable asset in critical applications such as emergency rescue operations, intricate tunnel engineering, robust mining activities, and essential municipal service vehicles. We are immensely proud of our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for high-end mechanical equipment. Steered by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our quest to provide extraordinary products, impeccable services, and unparalleled solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, continually raising the bar 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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