Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels are the epitome of hydraulic innovation, artfully merging pressure, flow, and directional control into one cohesive masterpiece. This guarantees unmatched performance and reliability across diverse applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are crafted for seamless integration into sophisticated hydraulic systems, crucial for pioneering 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, 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 a myriad of applications.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. Their advanced engineering and energy-efficient design position HLPSV valves as the premier solution for sophisticated hydraulic control needs, providing an ideal blend 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 - A pinnacle of reliability, this pump guarantees steady and continuous performance, ensuring your system functions with unparalleled efficiency. Discover the remarkable dependability that keeps your machinery operating seamlessly and tirelessly, like a perfectly tuned engine.;
HLPSV: Variable Displacement Pump - A true embodiment of versatility and flexibility, this pump adapts effortlessly to meet diverse operational requirements. Engineered for evolving demands, it ensures smooth transitions and optimal control for every task.;
(2) Connection Block Ports P & R Specifications - Precision harmonizes with reliability, forming a steadfast operational foundation. Meticulously crafted for impeccable performance, these specifications enhance reliability in every application, setting a new standard for excellence.:
2-G3/8; Designed for compact efficiency, this port supports seamless and streamlined operations. Expertly crafted for precision, it guarantees exceptional performance even in tight spaces.
3-G1/2; Engineered for strength and reliability, providing a robust base for your system's integrity. Built to last, this port delivers unwavering durability in challenging conditions.;
4-G3/4; Boasting advanced connectivity, this port offers superior control and improved system integration. It merges sophistication with efficiency, enhancing your system's operational capabilities.;
5, 55-G1; Providing exceptional flow rates, ideal for high-demand applications, ensuring consistent and trustworthy performance. Designed for excellence, it effortlessly handles high-pressure demands.;
6-G1 1/4; Delivering unmatched performance, this component is crafted to excel in demanding environments, tackling challenges with ease and setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities: Unlock the full potential of your operations with cutting-edge components that redefine excellence, driving superior performance and efficiency.:
C,Standard Type - A steadfast and trusted foundation, meticulously engineered to fulfill essential operational demands. It provides unwavering support and reliability, empowering your system to excel.;
G,Throttle Valve (For HLPSL only) - Guaranteeing precision control, it enhances the overall efficiency of your system, ensuring operations are finely tuned for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow control, delivering extraordinary performance and reliability. It exceeds traditional limits to achieve remarkable results.;
(4) Pilot Oil Circuit Pressure Options - Unlock the power of precision with our custom pressure control solutions, meticulously crafted to cater to a wide array of applications. Tailored magnificently to meet your unique specifications, these solutions promise to deliver unparalleled precision control, perfectly harmonizing with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Immerse yourself in our expertly engineered solutions, meticulously designed to integrate seamlessly with your operational needs. Our customizable configurations empower you to effortlessly achieve your desired outcomes with unmatched precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience revolutionary efficiency and control with our expertly engineered solution. Designed to elevate your system's performance, this valve offers unmatched control and superior effectiveness, transforming your operational capabilities to new heights.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. Experience the epitome of precision tuning, offering unrivaled system efficiency and adaptability.D/F - Introducing a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with exceptional accuracy to maintain a specifically defined pressure value, significantly enhancing safety measures and optimizing operational security and reliability to unmatched levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with our adjustable settings, spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the embodiment of adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering precise pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, masterfully engineered to cater to every application. Secure a product that aligns perfectly with your specific requirements, consistently delivering exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Experience seamless integration with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered meticulously for flawless performance and optimal efficiency.
(9)Directional valve block inflow controller options: Explore a comprehensive selection 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. Experience options that are pre-selected to offer precision and exceptional efficiency, crafted meticulously to suit your specific needs.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and unwavering reliability.
(11) Output flow code for ports A & B: Reach the zenith of efficiency with our available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Experience superior safety with a range of precise pressure limitation choices. Select 'N' for systems without pressure limiting protection. Opt for 'C' to enable concurrent pressure limitation across actuator ports A & B, ensuring synchronized control. For tailored safety, choose 'A---B---' to independently manage pressure limits for ports A & B. All options are expertly measured in bar, guaranteeing exceptional safety and reliability of your hydraulic systems.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operation with our advanced customization features. Select 'N' for a basic setup without ON/OFF function or pressure outlet for simplicity. Choose 'X' with C type pressure limitation for integrated protection, or 'S/S1' with AB type limitation for superior control. For targeted functionality, opt for 'A' or 'B' for precise electrical ON/OFF control on sides A or B, crafted for optimal efficiency and precision in any application.
(14) Operation Modes: Discover a comprehensive array of operation modes engineered for maximum adaptability and control. 'A(1,2)' allows for manual operation with a choice between long or short handles. 'E' offers electric proportional control for refined adjustments, while 'EA(1,2)' merges it with manual operation for unmatched versatility. 'D' provides electric switching value control, with 'DA(1,2)' adding manual capability for enhanced adaptability. 'M' focuses on manual friction positioning with a long handle, while 'H' and 'F' deliver pure hydraulic control, featuring pilot oil ports either aligned or perpendicular for total system mastery.
(15) Ancillary Block Port Sizes: Elevate your system integration with our precisely designed port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each crafted for seamless compatibility and adaptability to various systems, ensuring your operations achieve peak performance effortlessly.
(16) End Plate Options: Discover the pinnacle of end plate engineering with our meticulously designed solutions. 'E1' offers a standard with external pilot oil discharge and oil return control port T. 'E2' adds a port Y for expanded flexibility. 'E3' revolutionizes with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards upon activation for unmatched performance.
E4, mirroring 'E1', integrates innovative internal pilot oil discharge with a sealed port T for heightened efficiency. 'E5' replicates 'E2's robust features with internal discharge, ensuring optimal system performance. 'E6' captures the advanced design of 'E3', delivering superior discharge control for the most sophisticated system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our dependable range designed for maximum safety and reliability, even in the most demanding environments. Our options include G12-12VDC, providing specialized security tailored for your operational needs.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 illuminated the hydraulic industry with its relentless commitment to innovation and unparalleled excellence. Embracing its prestigious status as a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we represent a national high-tech enterprise that embodies technological advancement and superior quality. Our exceptional expertise spans meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our pursuit of excellence, continually reinforcing our leadership position within the industry and setting new standards for quality and innovation.
At the heart of our product line stands the flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering epitomizes the zenith of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It is pivotal in imperative applications that span emergency rescue operations, tunnel engineering, mining endeavors, and the efficient deployment of municipal service vehicles. Our profound commitment to strategic alliances with leading domestic manufacturers propels the advancement and localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we are unwavering in delivering exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire to set new benchmarks of excellence on the international stage, cementing our reputation as a leader in hydraulic innovation.
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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