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 your hydraulic system's reliability, offering unwavering and seamless performance. This pump ensures that your operations flow smoothly and efficiently, delivering superior dependability every single time.;
HLPSV: Variable Displacement Pump - A masterclass in adaptability and versatility, offering exceptional flexibility to meet and exceed a diverse array of operational demands. It is tailored to respond dynamically to changing needs, providing seamless transitions and unrivaled control.;
(2) Connection Block Ports P & R Specifications - Where precision flawlessly meets reliability. Expertly designed, these specifications forge a dependable operational framework, ensuring enhanced reliability and performance across all applications.:
2-G3/8; Embodying compact proficiency, this design supports streamlined and seamless operational flows. Engineered with utmost precision, it guarantees exemplary performance even in the most confined spaces.
3-G1/2; Built with robustness and reliability at its core, this configuration provides a formidable foundation for maintaining system integrity. It's crafted to endure, delivering steadfast durability under the toughest conditions.;
4-G3/4; This advanced connectivity offers superior control and enhanced system integration, merging sophistication and efficiency to significantly elevate your system's operational capabilities.;
5, 55-G1; With superior flow rates, this configuration is ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it effectively tackles high-pressure challenges effortlessly.;
6-G1 1/4; This offers unmatched performance, engineered to excel in demanding environments and overcome challenges with ease, setting new standards in power and efficacy.;
(3) Additional Components and Specifications - Pushing your system capabilities to new heights. Harness the potential of your operations with these advanced components that redefine what excellence means.:
C,Standard Type - A foundation of reliability and trust, meticulously engineered to meet essential operational needs. It provides unwavering support and unmatched reliability to empower and elevate your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency of your system. It fine-tunes your operations to achieve maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving extraordinary performance and dependability. It challenges conventional limits to deliver exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for a multitude of applications. Tailored to align with your specific needs, delivering precision control to meet your operational objectives perfectly.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands. Customizable configurations to ensure you achieve your desired outcomes with ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: Designed to optimize your system's performance, delivering unparalleled control and superior 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; Offering precision tuning for unparalleled system efficiency.D/F - Presenting a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with remarkable precision to maintain a specifically defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, thereby optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully conceived to address every application, ensuring you acquire a product that seamlessly 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 ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored 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 collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and dependability.
(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, all meticulously measured in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Unlock unparalleled customization with our tailored function ON/OFF and pressure outlet options. Choose from: N, for simplicity without ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, incorporating AB type pressure limitation; A, offering electrical ON/OFF on side A; or B, ensuring electrical ON/OFF on side B. Each choice is crafted for extraordinary precision and operational excellence.
(14) Operation modes: Experience versatility with our diverse operation modes selection: A(1,2) offers manual control with a choice of ergonomic long or short handle; E provides seamless electric proportional control; EA(1,2) combines electric proportional control with manual finesse; D delivers electric switching value control; DA(1,2) integrates electric switching with manual operation; M features manual friction positioning with an extended handle; H ensures pure hydraulic control by aligning pilot oil ports with oil ports A and B; F introduces pure hydraulic control with perpendicular pilot oil ports for supreme handling and accuracy.
(15) Ancillary block port sizes: Embrace exceptional adaptability with our precisely engineered ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size guarantees seamless integration and superior performance across various systems, embodying efficiency and optimal functionality.
(16) End plate options: Discover excellence in our end plate designs: E1, the quintessential choice, facilitates an external discharge of pilot oil and an external oil return control port T. E2 enhances E1 by adding port Y for expanded capabilities. E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior performance.
E4, inspired by E1, brilliantly incorporates an internal discharge of pilot oil with a sealed port T, enhancing operational efficiency. E5 models the robust attributes of E2 with an internal discharge for optimal performance. E6 mirrors the intricate design of E3, offering advanced discharge control to meet the demands of complex systems.
(17) Control voltage and anti-explosion cable options: Choose confidently from our meticulously crafted secure and compatible voltage and cable options including G12-12VDC, designed for unrivaled safety and reliability in the most rigorous applications. Our range guarantees specialization and protection.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a beacon of innovation and excellence within the hydraulic industry. Proudly operating as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, showcasing our dedication to technological advancement and superior quality. Our unparalleled expertise spans across the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to excellence, solidifying our position as leaders in the field.
Introducing our flagship marvel, the enhanced Safety Atex Valve, a testament to cutting-edge innovation in hydraulic system control. This expertly crafted component is engineered for deployment in construction machinery and heavy-duty equipment, playing a pivotal role in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly forge strategic alliances with leading domestic manufacturers, significantly championing the localization 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 are resolute in our quest to deliver exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new benchmarks of excellence on the world 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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