Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the pinnacle of hydraulic innovation, masterfully blending pressure, flow, and directional control into an exquisite, unified creation. This integration ensures unrivaled performance and dependability across a multitude of applications. Typically crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are tailored for seamless incorporation into high-end hydraulic systems, essential for superior engineering machinery. They expertly orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights feature a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. Conversely, 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 ultimate choice for scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, providing an ideal synergy 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 backbone of unparalleled reliability, this cornerstone pump ensures unwavering and consistent performance, empowering smooth and proficient operations throughout your system. Experience the unmatched dependability that keeps your machinery operating like a well-oiled machine, ensuring longevity and efficiency.;
HLPSV: Variable Displacement Pump - A testament to adaptability and versatility, this pump offers exceptional flexibility to cater to a broad spectrum of operational requirements. Crafted with precision to accommodate evolving demands, it facilitates seamless transitions and superior control, ensuring optimal performance in every scenario.;
(2) Connection Block Ports P & R Specifications - Where precision effortlessly meets reliability, creating a steadfast operational framework: Meticulously crafted for flawless performance, elevating reliability across every application it serves.:
2-G3/8; Expertly engineered for compact proficiency, designed to support streamlined and seamless operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in the most confined spaces, maximizing productivity and efficiency.
3-G1/2; Built for robustness and reliability, providing a solid foundation for your system's integrity. Designed to endure, delivering steadfast durability in the most demanding conditions, it achieves unparalleled performance and reliability.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It combines sophistication and efficiency to elevate your system's operational prowess, driving enhanced performance and coordination.;
5, 55-G1; Offering superior flow rates, perfect for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with remarkable ease and precision.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in demanding environments, effortlessly tackling challenges. Setting new standards in power and performance, it redefines expectations.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unlock the full potential of your operations with advanced components that redefine excellence, pushing boundaries and setting new benchmarks.:
C,Standard Type - A steadfast and reliable foundation, meticulously designed to meet essential operational requirements. Providing unwavering support and unmatched reliability, it empowers your system to perform optimally.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency of your system. It guarantees your operations are finely tuned for maximum effectiveness, optimizing performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability. Surpassing conventional limits, it delivers extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Custom pressure control solutions for diverse applications: Tailored to your specific needs, providing precision control that aligns perfectly with your operational goals, delivering targeted and efficient solutions.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Unlock the potential of bespoke solutions, crafted meticulously to align with your unique operational needs. Embrace customizable features that guarantee effortless precision in achieving your desired results.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance efficiency and control with precision: Masterfully designed to revolutionize your system's performance, this valve provides unmatched control and effectiveness, transforming your operational potential.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. Achieve superior system efficiency and adaptability with precision tuning.D/F - Presenting a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This exceptional innovation is crafted with precision to uphold a specific pressure value, significantly boosting safety measures and elevating operational security to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component defines adaptability, flawlessly meeting every hydraulic need. The /NF configuration caters to systems without a pressure limiting valve, expertly designed for HLPSV, ensuring impeccable pressure control across various applications with supreme accuracy.
(7) Product Series Classification - A Testament to Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design, skillfully created to meet every application, ensuring you acquire a product that aligns perfectly with your specific needs, delivering consistently outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; With additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a wide 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. Enjoy pre-selectable options, each offering precision and exceptional efficiency, tailored to your specific needs.
(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 with unmatched precision 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 outstanding performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Elevate your hydraulic control system with our refined selection of pressure limitation features, designed to ensure ultimate safety and reliability. Choose 'N' for no pressure protection, 'C' for concurrent limitation of actuator ports A & B, or 'A---B---' for independent pressure control. Each option is precisely calibrated in bar, offering a perfect balance of steadfast system protection and peerless reliability.
(13) Function ON/OFF and Pressure Outlet Options: Maximize your operational efficiency with our versatile and customizable options. Select 'N' for a streamlined, essential setup without ON/OFF or pressure outlet. Opt for 'X' with type C pressure limitation, or 'S/S1' with type AB pressure limitation for superior control. Choose 'A' for electric ON/OFF on side A or 'B' on side B, all meticulously crafted for precision and high functionality.
(14) Operation Modes: Discover the array of operation modes designed for unmatched versatility and precision. 'A(1,2)' delivers manual control with options for long or short handles. 'E' offers electric proportional control, while 'EA(1,2)' merges it with manual control for enhanced flexibility. 'D' introduces electric switching value control, with 'DA(1,2)' adding manual attributes. 'M' provides manual friction positioning with a long handle. 'H' and 'F' offer pure hydraulic control, with pilot oil ports expertly aligned or perpendicular, ensuring full-spectrum control.
(15) Ancillary Block Port Sizes: Transform your system's adaptability with our carefully crafted port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option guarantees smooth integration and adaptability, offering exceptional performance across diverse system configurations.
(16) End Plate Options: Discover meticulously engineered end plate solutions. 'E1' acts as the standard, featuring an external discharge of pilot oil and oil return control port T. 'E2' enhances versatility with an added port Y. 'E3' brings a 2-position, 3-way magnetic ball valve, raising system pressure to safety valve levels upon activation, ensuring exceptional system performance.
E4, mirroring 'E1', features an innovative internal discharge of pilot oil with a sealed port T for enhanced efficiency. 'E5' echoes 'E2's strong capabilities with internal discharge for superior performance. 'E6' is the epitome of sophistication, inheriting 'E3's advanced discharge control, catering to the most intricate system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and dependable range, including G12-12VDC, designed for exceptional safety and reliability in the most demanding applications. Our offerings are engineered to provide unrivaled specialization and assurance.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. Nestled within the esteemed China Baoan Group (stock code: 000009), our company stands as a beacon of technological advancement and superior standards. As a national high-tech enterprise, our reputation for excellence is cemented by our status as a national 'specialized, refined, and innovative' small giant enterprise. Our distinguished expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. We are committed to pushing the boundaries of what is possible, continually reinforcing our leadership position in the industry.
At the forefront of our product offerings is the distinguished flagship innovation: the Enhanced Safety Atex Valve. This engineering marvel marks the pinnacle of hydraulic system control innovation, meticulously designed for use in construction machinery and heavy-duty equipment. Its applications are critical and wide-ranging, from emergency rescues to tunnel engineering, mining operations, and the mobilization of municipal service vehicles. We are passionately dedicated to strategic partnerships with leading domestic manufacturers, advancing the 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 committed to delivering exceptional products, unparalleled services, and innovative solutions. Our vision is to emerge as a globally trusted supplier of premier hydraulic components, consistently setting new standards of excellence on the international 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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