Behold the unveiling of our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a pinnacle of hydraulic innovation. These marvels of engineering epitomize the ultimate fusion of pressure, flow, and directional control into a singularly superior system, guaranteeing unmatched performance and reliability across a wide spectrum of applications. Crafted with precision, these valves are composed of three integral functional modules: connecting blocks, directional valves, and end plates, seamlessly integrating into sophisticated hydraulic systems, indispensable to high-end engineering machinery. They masterfully regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering exceptional precision and control. Among the standout features are their compact design, remarkable energy efficiency, and the ability for stepless speed control. Moreover, they empower the concurrent operation of multiple actuators under varying loads, delivering extraordinary performance and adaptability for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring unwavering and dependable performance in any environment. On the other hand, the HLPSV valves are ingeniously designed for variable pump systems. While they may have a slightly delayed response, HLPSV valves excel in outstanding energy efficiency, making them the ideal choice in situations where saving energy 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 a flawless 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 - This exceptional pump serves as the epitome of consistency and reliability, ensuring a seamless and refined workflow. Elevate your machinery to peak performance, empowering it to operate with unmatched precision and dependability. A true marvel of engineering excellence.;
HLPSV: Variable Displacement Pump - The ultimate symbol of adaptive innovation, this pump stands ready to accommodate a wide array of operational needs. Its groundbreaking design ensures fluid transitions and superior control, keeping your system on the forefront of high-performance capability.;
(2) Connection Block Ports P & R Specifications - Meticulously crafted for precision and reliability, these specifications underpin a strong and effective operational framework. They promise impeccable performance and elevated dependability across all applications, laying the groundwork for unyielding success.:
2-G3/8; Embodying compact proficiency, this design supports streamlined operational efficiency with precision, crafted to excel in space-constrained environments, delivering outstanding performance seamlessly.
3-G1/2; Engineered for robustness and reliability, this component forms the heart of your system's endurance. It is built to withstand challenging conditions, offering unwavering durability and exceptional performance.;
4-G3/4; With advanced connectivity, this component provides unmatched control and integration. Its sophisticated design boosts system efficiency, enhancing operational capability with elegance.;
5, 55-G1; Ensuring exceptional flow rates for high-demand scenarios, this component delivers robust, consistent performance. It's designed for excellence, adeptly tackling high-pressure challenges with precision.;
6-G1 1/4; Delivering extraordinary performance, this component excels even in the most challenging environments. Engineered to surpass expectations, it sets new standards in power and capability, effortlessly handling demanding tasks.;
(3) Additional Components and Specifications - Propel your system capabilities to new heights with components that redefine operational excellence. These advanced specifications unlock unparalleled performance, turning your operations into a benchmark of unrivaled success.:
C,Standard Type - A steadfast foundation, meticulously designed to fulfill essential operational demands. This component delivers reliable support and unmatched dependability, empowering your system to achieve its fullest potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to elevate your system's efficiency. This valve meticulously tunes operations for maximum effectiveness, ensuring all components harmoniously collaborate for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering exceptional performance and reliability. It surpasses conventional limits, consistently providing extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions meticulously crafted for diverse applications. These options, designed with precision to meet your specific needs, provide unmatched accuracy and perfect alignment with your operational goals, offering a seamless experience.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions harmoniously integrating with your unique operational demands. These configurations, effortlessly customizable, empower you to achieve desired outcomes with precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control: Crafted to boost system performance, this valve offers unmatched control and extraordinary effectiveness, revolutionizing your operational capabilities for enhanced productivity.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 precision tuning that delivers unmatched system efficiency and adaptability.D/F - Presenting a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This masterpiece is crafted with immaculate precision to uphold a specifically designated pressure value, significantly boosting advanced safety measures and optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, designed expertly for HLPSV, offering unrivaled pressure control with supreme accuracy for diverse applications.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully crafted to address every application, ensuring you acquire a product that aligns seamlessly with your specific requirements, delivering consistently exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless integration, ensuring optimal efficiency and seamless operational flow.
(9)Directional valve block inflow controller options: Choose from an exhaustive array: 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. Discover pre-selectable options offering precision and exceptional efficiency, tailored to meet your specific needs with unmatched customization.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each precisely crafted to satisfy specific functional requirements with unmatched precision and reliability, ensuring optimal performance.
(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 meticulously designed for supreme performance and unyielding dependability.
(12) Secondary Pressure Limitation Options: Experience an unrivaled level of safety and reliability with our expertly engineered secondary pressure limitation options. Each option is precisely calibrated in bar to provide you with the utmost peace of mind. Choose 'N' for tasks where pressure limiting protection isn't necessary, ensuring straightforward operations. For scenarios requiring simultaneous pressure limitation on actuator ports A & B, opt for 'C' to guarantee consistent performance. For bespoke and independent pressure control, 'A---B---' offers specialized management for ports A and B. Each choice is meticulously crafted to uphold the highest standards of system integrity, ensuring that your operations remain secure and efficient at all times.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operations to new heights with our customizable function ON/OFF and pressure outlet options, tailored for exceptional performance. For straightforward tasks, 'N' is the choice, with no additional function ON/OFF or pressure outlet needs. If enhanced control is required, select 'X' in tandem with C type pressure limitation, or opt for 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, choose 'A' for ON/OFF functionality on side A, or 'B' for side B. Each option is meticulously crafted to deliver maximum precision, efficiency, and operational excellence, ensuring that your system performs at its peak potential.
(14) Operation Modes: Discover our diverse range of operation modes, each meticulously designed to provide unparalleled versatility and precision. 'A(1,2)' offers manual operation with the flexibility of a long or short handle, catering to your ergonomic preferences. 'E' introduces advanced electric proportional control, while 'EA(1,2)' blends this with manual operation for optimal adaptability and responsiveness. 'D' features electric switching value control, with 'DA(1,2)' bringing manual enhancements to the table. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, aligned or perpendicular, ensuring comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Unlock unparalleled adaptability and peak performance with our meticulously engineered ancillary block port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each promising seamless system integration. Every selection is crafted to provide unmatched adaptability, delivering top-tier performance across varying systems and operational demands, ensuring your system operates at its absolute best in any scenario.
(16) End Plate Options: Explore our range of expertly crafted end plate solutions, each designed to meet the highest standards of functionality and adaptability. 'E1' sets the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' enhances your capabilities with an additional port Y, providing expanded flexibility. 'E3' is engineered for advanced performance, featuring a 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', boasting state-of-the-art internal discharge of pilot oil and a sealed port T, optimized for efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge, delivering superior system performance. 'E6' encompasses the sophisticated design of 'E3', offering advanced discharge control, ideal for the most demanding system requirements. Each variant ensures that your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and reliable control voltage options, including the G12-12VDC, designed specifically for safety and unwavering reliability even under the most demanding conditions. Each offering provides specialized solutions and security tailored to your application, ensuring that your system's stability and performance are never compromised.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since it first opened its doors in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we are a national high-tech enterprise, dedicated to groundbreaking technological advancements and the upholding of exceptional quality standards. Our exceptional capabilities cover extensive research, advanced development, precise manufacturing, and strategic marketing of premium hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our pursuit of elevating our standards of excellence, further solidifying our leadership in the industry.
At the forefront of our innovative product range is our signature creation: the Enhanced Safety Atex Valve. This extraordinary piece of modern engineering exemplifies the pinnacle of hydraulic system control, skillfully designed for flawless integration into construction machinery and formidable heavy-duty equipment. Its indispensable functionality is essential in critical applications such as life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the crucial operation of municipal service vehicles. Our unwavering dedication to forging strategic partnerships with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our core 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. Aspiring to be globally recognized as a trusted supplier of premier hydraulic components, we relentlessly aim to set 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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