Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, flawlessly integrating pressure, flow, and directional control into a single, cohesive masterpiece. Experience unmatched performance and reliability, skillfully crafted for every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves seamlessly integrate into sophisticated hydraulic systems, playing a pivotal role in elite engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, remarkable 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, making them indispensable in the realm of hydraulic control.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast and reliable operation across any environment and challenge. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may demonstrate a slightly slower response, they excel in providing remarkable energy-saving performance, making them the ultimate choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal combination of precision, reliability, and efficiency, perfectly suited to meet the demands of the most advanced hydraulic systems.
| 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 - At the heart of reliability, this pump delivers unwavering and steadfast performance. It ensures that your system runs smoothly with consistent efficiency, offering unmatched dependability. Keep your machinery in perfect harmony, operating like a finely-tuned masterpiece.;
HLPSV: Variable Displacement Pump - A true emblem of adaptability and versatility, this pump is crafted to offer exceptional flexibility to cater to diverse operational requirements. It is designed to adjust seamlessly to dynamic demands, providing superior control and enabling optimal efficiency with smooth transitions.;
(2) Connection Block Ports P & R Specifications - Precision perfectly aligns with reliability, creating a dependable operational foundation. These ports are meticulously engineered for flawless performance, enhancing reliability across applications. Depend on this design for consistent premium operational excellence.:
2-G3/8; Masterfully designed for compact efficiency, this connection supports streamlined operational flows. It is engineered with precision to ensure optimal performance in the tightest spaces, guaranteeing that every operation meets exacting standards.
3-G1/2; This connection is engineered for robustness and durability, providing a solid foundation for system integrity. Created to endure, it offers steadfast performance under the most strenuous conditions, ensuring your system remains reliable over time.;
4-G3/4; With cutting-edge connectivity, this connection grants superior control and enhances system integration. Its sophisticated design boosts your system's operational prowess, merging efficiency and control for enhanced performance.;
5, 55-G1; Engineered with superior flow rates, this component is ideal for high-demand applications. It ensures consistent, reliable performance and is designed to excel, tackling high-pressure challenges effortlessly. A vital asset in rigorous environments.;
6-G1 1/4; Delivering incomparable performance, this connection is expertly crafted to thrive in demanding conditions. It excels effortlessly, setting new standards in power and performance, solidifying its status as an industry leader.;
(3) Additional Components and Specifications - Pushing the boundaries of system capabilities to new heights. Advanced components elevate your system, delivering exceptional performance and ensuring your operations lead the industry with unmatched excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational needs. Providing unwavering support and unmatched reliability, it empowers your system to withstand the rigors of daily use.;
G,Throttle Valve (For HLPSL only) - Ensures precision control to enhance system efficiency. By fine-tuning operations for maximum effectiveness, it optimizes performance with effortless precision.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, offering extraordinary performance and dependability. This component consistently delivers remarkable results, pushing the limits of conventional performance.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailor-made to fit your exact requirements, delivering precision control that aligns seamlessly with your operational goals, ensuring efficiency and tailored adaptability.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions that effortlessly cater to your specific operational needs. Customizable configurations ensure you achieve your desired outcomes with unparalleled convenience, meeting every specification.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly designed to enhance your system's performance, delivering unrivaled control and exceptional effectiveness, maximizing functionality and precise operation.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 unmatched system efficiency, ensuring operational excellence.D/F - Unveiling a groundbreaking, meticulously precision-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, thereby optimizing operational security and reliability to unprecedented levels, ensuring peace of mind.
(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, tailored for perfection.
(7) Product Series Classification - The Epitome of Engineering Excellence: Demonstrating superior craftsmanship and cutting-edge innovation.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully conceived to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, achieving both functionality and elegance.
(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, ensuring harmony within your hydraulic systems.
(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, ensuring optimal performance.
(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, ensuring adaptability and excellence in every operation.
(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 unwavering dependability, guaranteeing the utmost in hydraulic excellence.
(12) Secondary pressure limitation options: Choose from our premium selections to ensure ultimate system safety: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B. Each option is precisely measured in bar, providing uncompromising protection.
(13) Function ON/OFF and pressure outlet options: Customize your control with our expertly tailored selections: 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 option is engineered for precise and reliable functionality.
(14) Operation modes: Unlock comprehensive control with our diverse operation modes: A(1,2), manual operation with either long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control, aligning pilot oil ports with ports A and B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for precision and versatility.
(15) Ancillary block port sizes: Experience unparalleled versatility with our meticulously engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options ensure seamless adaptability and flawless integration across various systems, guaranteeing efficiency and peak performance.
(16) End plate options: Explore our meticulously crafted end plate solutions: E1, ensures an external discharge of pilot oil and external oil return control port T. E2 elevates E1 with the addition of port Y for greater flexibility; E3 boasts a sophisticated 2-position, 3-way magnetic ball valve, lifting system pressure to safety valve levels when activated, ensuring maximum performance.
E4 mirrors E1, but innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 enhances E2 features with an internal discharge, ensuring top-tier performance. E6 mirrors the advanced design of E3, delivering cutting-edge discharge control for complex system requirements.
(17) Control voltage and anti-explosion cable options: Select from our secure range, including G12-12VDC, tailored for demanding applications with emphasis on safety and reliability. Our offerings ensure specialization and security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has ascended to prominence as a symbol of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is acclaimed as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our expertise is unrivaled, encompassing exhaustive research, development, manufacturing, and sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, fortifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, epitomizing the zenith of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a critical role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unyielding in our quest to deliver extraordinary products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, consistently 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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