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 marvels 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 empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application. With this technology, you are guaranteed an edge in efficiency and effectiveness.
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 exhibit a marginally slower response, they excel in providing outstanding energy-saving performance. This positions them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and highly energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal combination of precision, reliability, and efficiency. Experience the pinnacle of modern hydraulic control with these exemplary valves.
| 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 consistently delivers robust and unwavering performance, ensuring smooth and efficient operation across your systems. With exceptional dependability, it ensures your machinery functions seamlessly, maintaining precise functionality like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Epitomizing adaptability and versatility, this pump offers remarkable flexibility to accommodate a diverse range of operational requirements. It is designed to seamlessly adjust to ever-evolving demands, ensuring smooth transitions and superior control for optimal efficiency.;
(2) Connection Block Ports P & R Specifications - Merging precision with reliability for a robust operational framework: Expertly engineered for flawless performance, this ensures reliability in every application. Its dependable design guarantees consistent, top-tier operation, enhancing the trustworthiness of your systems.:
2-G3/8; Compact yet proficient, this port supports streamlined, seamless operational flows. Precision-engineered to guarantee optimal performance even in the tightest spaces, it ensures every operation meets the most demanding standards.
3-G1/2; Built for robustness and reliability, this connection provides a durable foundation for system integrity. Constructed to last, it offers unwavering durability under the harshest conditions, ensuring your system endures the test of time.;
4-G3/4; Featuring advanced connectivity, this offers superior control and enhances system integration. The sophisticated design elevates system efficiency, merging control with operational prowess for enhanced performance.;
5, 55-G1; With superior flow rates, this is ideal for high-demand applications, ensuring consistent and reliable performance. Engineered for excellence, it effortlessly tackles high-pressure challenges, becoming an indispensable component in challenging environments.;
6-G1 1/4; Delivering unmatched performance, it is expertly designed to excel in demanding environments and handle challenges with ease. This connection sets new industry benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights: With advanced components that redefine excellence, it enhances system performance, ensuring your operations stay at the forefront of industry standards.:
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements. Providing steadfast support and unparalleled reliability, it empowers your system to withstand the rigors of daily operations.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting system efficiency. By finely tuning operations for maximum effectiveness, it effortlessly optimizes your system's performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving exceptional performance and dependability. This component stretches the limits of conventional performance, delivering extraordinary results consistently.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Meticulously crafted to perfectly align with your unique specifications, these solutions provide unparalleled precision control, seamlessly integrating with your operational goals to ensure optimal performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our offerings are tailored to effortlessly address your specific operational needs. With customizable configurations, you can achieve your desired results with unparalleled ease and precision, ensuring a seamless fit for your unique requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Ingeniously designed to amplify your system's performance, this component offers unrivaled control and exceptional effectiveness, ensuring your operations run smoothly and efficiently.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; Our solutions offer precision tuning to ensure unmatched system efficiency, providing you with the flexibility to adapt to your operational needs with ease.D/F - Unveiling a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with extraordinary precision to maintain a rigorously 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 zenith of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly accommodating every hydraulic requirement. The /NF configuration offers solutions without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-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 and operational goals.
(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, meticulously engineered for flawless and seamless integration, ensuring uncompromised performance and reliability.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of precision-engineered 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 meticulously crafted core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet specific functional requirements, ensuring optimal 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, providing unmatched operational excellence.
(12) Secondary pressure limitation options: Elevate your system's safety with our exclusive selection of secondary pressure limitation choices. Opt for 'N' if no pressure limiting protection is needed, select 'C' for concurrent pressure limitation at actuator ports A & B, or choose 'A---B---' for independent pressure management at ports A & B. Every option is meticulously calibrated in bar, delivering unparalleled protection and peace of mind.
(13) Function ON/OFF and pressure outlet options: Tailor your control system with our precision-engineered selections. Select 'N' for systems without function ON/OFF or a pressure outlet, 'X' for C type pressure limitation, or 'S/S1' for AB type pressure limitation. For electrical ON/OFF, choose 'A' for side A or 'B' for side B. Each variant is crafted for precise, dependable operation.
(14) Operation modes: Achieve unmatched control with our array of operation modes. 'A(1,2)' offers manual control using either a long or short handle, while 'E' provides electric proportional control. 'EA(1,2)' merges electric control with manual operation for synergy. Opt for 'D' for electric switching value control, or 'DA(1,2)' for a blend of electric and manual control. 'M' offers manual friction positioning with a long handle, while 'H' and 'F' provide pure hydraulic control, with 'H' aligning pilot oil ports with A and B, and 'F' with perpendicular alignment. Each mode is engineered for optimal precision and adaptability.
(15) Ancillary block port sizes: Discover unmatched versatility with our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each size ensures seamless adaptation and optimal integration into diverse systems, guaranteeing top-tier performance and efficiency.
(16) End plate options: Delve into our exquisitely designed end plate solutions. 'E1' ensures external discharge of pilot oil with an external oil return control port T. 'E2' builds upon E1 by adding port Y for enhanced flexibility, while 'E3' features a 2-position, 3-way magnetic ball valve that raises system pressure to safety valve levels when activated, offering premium performance.
E4 reflects the innovative design of E1 but with an internal discharge of pilot oil and a sealed port T for improved efficiency. 'E5' enhances E2 with an internal discharge, providing superior performance. 'E6' mirrors the advanced features of E3, offering state-of-the-art discharge control for intricate system needs.
(17) Control voltage and anti-explosion cable options: Choose from our secure selection tailored to meet rigorous safety and reliability standards. Options like 'G12-12VDC' are designed for demanding applications, ensuring specialized performance and maximum 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.
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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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