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 unwavering reliability, this pump ensures consistent and efficient performance, seamlessly integrating with your system for impeccable operations. Experience unmatched dependability that keeps your machinery functioning flawlessly, providing precise and consistent results like a well-oiled machine.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, this pump offers exceptional versatility to cater to diverse operational requirements. Expertly designed to accommodate dynamic demands, it facilitates smooth transitions and delivers superior control, enhancing efficiency and performance.;
(2) Connection Block Ports P & R Specifications - Where precision flawlessly aligns with reliability, constructing a dependable operational framework: Expertly crafted for unmatched performance, this design enhances reliability across all applications, ensuring consistent, top-tier operational excellence.:
2-G3/8; Tailored for compact efficiency, this port supports streamlined and seamless operational flows. Engineered with precision, it guarantees optimal performance even in the most constrained spaces, upholding high standards in every operation.
3-G1/2; Built for durability and reliability, this connection is the foundation of system integrity. Designed to endure, it offers unwavering resilience in the face of the harshest conditions, ensuring your system's longevity and reliability.;
4-G3/4; Boasting advanced connectivity, this port offers superior control and seamless system integration. Its sophisticated design elevates your system, merging efficiency and control to enhance operational capabilities.;
5, 55-G1; Featuring exceptional flow rates, it is perfect for high-demand applications, consistently delivering reliable performance. Engineered for excellence, it tackles high-pressure challenges effortlessly, serving as a vital component in demanding environments.;
6-G1 1/4; Offering unparalleled performance, this connection is expertly designed to excel in challenging environments. It effortlessly handles demands, setting new standards of power and performance, securing its position as a leader in the industry.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unparalleled heights: Unlock the full potential of your operations with state-of-the-art components that redefine excellence and boost system performance, keeping your operations at the cutting edge of industry standards.:
C,Standard Type - A solid and trusted foundation, carefully designed to fulfill essential operational needs. It provides unwavering support and unparalleled reliability, empowering your system to withstand the challenges of daily operations.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the system's efficiency. By fine-tuning operations for maximum effectiveness, it effortlessly optimizes your system's performance, ensuring top-tier results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow control, delivering exceptional performance and reliability. This component pushes the boundaries of conventional performance, consistently achieving extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions across various applications: Tailor-made to meet your exact specifications, these solutions offer precision control that aligns perfectly with your operational objectives, ensuring seamless integration and optimized functionality.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing highly customized solutions that effortlessly meet your specific operational demands. Our customizable configurations ensure you achieve desired outcomes with unparalleled ease and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Raising efficiency and control to new heights: Expertly engineered to enhance your system's performance, this component provides unmatched control and exceptional effectiveness, ensuring superior results.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizing it when unpowered; Offering precision tuning for unmatched system efficiency and adaptability.D/F - Introducing a groundbreaking, meticulously engineered pressure limiting valve for secondary pressure (F50), crafted with remarkable precision to maintain a precisely defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly accommodating every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across a wide range of 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 crafted to address every application, ensuring you acquire a product that perfectly aligns with your precise requirements and operational demands.
(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, optimizing performance and reliability.
(9)Directional valve block inflow controller options: Select from an extensive 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 providing precision and exceptional efficiency, ensuring optimal performance for your specific needs.
(10) Valve core function symbols: Discover a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements, guaranteeing superior performance and reliability.
(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 engineered for supreme performance and unwavering dependability, ensuring optimal operation.
(12) Secondary pressure limitation options: Immerse yourself in our exceptional range of safety-enhancing selections: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B. Each choice is precisely calibrated in bar, delivering robust protection and peace of mind for your systems.
(13) Function ON/OFF and pressure outlet options: Tailor your control systems with our precision-engineered selections: N, devoid of function ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, offering AB type pressure limitation; A, integrating electrical ON/OFF on side A; B, introducing electrical ON/OFF on side B. These options are designed to offer reliable and efficient functionality across diverse applications.
(14) Operation modes: Experience superior control with our comprehensive operation modes: A(1,2), enabling manual operation with either long or short handle; E, electric proportional control for refined adjustments; EA(1,2), a seamless blend of electric proportional and manual operation; D, electric switching value control for dynamic applications; DA(1,2), combining electric switching value with manual operation; M, manual friction positioning with long handle for stability; H, exclusively hydraulic control aligning pilot oil ports with A and B; F, hydraulic control with perpendicular pilot oil ports. Each mode enhances precision and adaptability.
(15) Ancillary block port sizes: Discover exceptional adaptability with our expertly designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These versatile options ensure perfect integration and efficiency, achieving peak performance across various systems with ease.
(16) End plate options: Delve into our precision-engineered end plate solutions: E1, offering external discharge of pilot oil and external oil return control port T. E2 expands E1 with the inclusion of port Y for additional versatility; E3 features an advanced 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, for superior performance.
E4 mirrors E1 but smartly incorporates internal pilot oil discharge with a sealed port T for heightened efficiency. E5 enhances the E2 configuration with internal discharge, ensuring unparalleled performance. E6 replicates the sophisticated E3 design, offering innovative discharge control for complex system demands.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure range, including G12-12VDC, designed to meet the rigorous demands of safety-critical applications. Our selections guarantee specialization and uncompromising security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Step into the world of Jiangsu KM Hydraulic Control System Co., Ltd., where innovation meets excellence in the hydraulic industry. Since our establishment in 2009, we have rapidly gained recognition as a beacon of technological prowess and quality. As a subsidiary of the esteemed China Baoan Group (stock code: 000009), we stand proudly as a national high-tech enterprise, emphasizing our commitment to advancing technology and delivering unmatched quality. Our expertise is unparalleled, spanning comprehensive research, development, manufacturing, and the sales of superior hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our pursuit of leadership and excellence in this dynamic field.
Unveiling our standout innovation-the enhanced Safety Atex Valve-a pinnacle of cutting-edge hydraulic system control technology. With meticulous engineering, this essential component is crucial for construction machinery and robust equipment, significantly impacting sectors such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. Our pride lies in our strategic alliances with top domestic manufacturers, driving the localization of critical hydraulic components for advanced mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain relentless in our pursuit to deliver extraordinary products, services, and solutions. Our vision is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new standards of excellence worldwide.
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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