Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, flawlessly merging pressure, flow, and directional control into a singular, harmonious masterpiece. Such fusion guarantees unparalleled performance and reliability across a vast array of applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless integration into elite hydraulic systems, indispensable for top-tier engineering machinery. They precisely command the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, optimum energy efficiency, and the capability for stepless speed control. Beyond these features, they empower multiple actuators to operate simultaneously under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every conceivable setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems, offering slightly slower response times but excelling in delivering exceptional energy-saving performance. This makes them the ultimate choice for applications where efficiency reigns supreme. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, providing a perfect 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 - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. Experience the unwavering dependability that keeps your system running effortlessly.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, offering extraordinary flexibility to accommodate a wide range of operational requirements. Embrace the innovative versatility that adapts seamlessly to your unique needs.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework that ensures exceptional performance::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. Experience the compact efficiency engineered for optimal functionality.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Count on the strength and durability that secures your system's foundation.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Discover the superior connectivity that elevates system synergy.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Trust the high-capacity design tailored for demanding scenarios.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Achieve unparalleled excellence with engineering precision.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights with innovative enhancements::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Trust the standard that sets the benchmark for reliability.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Experience the precision that transforms system dynamics.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Harness the power of optimized flow management for superior system performance.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications, tailored to your unique demands:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with precision-engineered solutions: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 efficient and responsive solutions for optimal control.D/F - Experience the pinnacle of modern engineering with this state-of-the-art precision-engineered pressure limiting valve designed for secondary pressure (F50). With a specifically defined pressure value, this marvel of engineering enhances advanced safety measures, ensuring operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the epitome of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component is the embodiment of adaptability, seamlessly meeting every hydraulic requirement. Experience the /NF configuration, designed meticulously for HLPSV, offering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of design, expertly conceived to perfectly suit every application, ensuring you receive a product that aligns flawlessly with your specific requirements.
(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, expertly engineered for smooth and flawless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, an 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 delivering precision and exceptional efficiency.
(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 fulfill specific functional requisites.
(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 superior performance and dependability.
(12) Secondary pressure limitation options: Opt for N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options like: 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 engineered for precise control and functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Unlock the power of versatility with our impeccably engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously crafted to ensure seamless adaptability and flawless integration across a multitude of systems and applications, catering to your specific needs with precision.
(16) End plate options: Dive into our meticulously crafted end plate solutions that redefine performance: E1, the standard bearer, offers an external discharge of pilot oil and an external oil return control port T; E2, echoing E1, is enhanced with an additional port Y, offering unparalleled flexibility; E3, showcases a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring peak efficiency and safety.
E4, mirroring E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T, optimizing every operation; E5, akin to E2, boasts internal discharge for peak performance; E6 exemplifies the sophisticated design of E3, ensuring advanced discharge control in every variant, pushing the boundaries of hydraulic technology.
(17) Control voltage and anti-explosion cable options: Choose from our robust and compatible range, including G12-12VDC, engineered for safety and specialization, perfect for the most demanding applications where reliability is paramount.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 steadfastly climbed the ladder of innovation and excellence, carving a niche in the hydraulic industry. Proudly operating as a prestigious subsidiary under the renowned China Baoan Group (stock code: 000009), we uphold our identity as a national high-tech enterprise with dignity and pride. Our unparalleled expertise in the meticulous research, adept development, precision manufacturing, and strategic sales of premium hydraulic components positions us as an industry marvel. Recognized nationally as a 'specialized, refined, and innovative' small giant enterprise, we are the embodiment of technological advancement and superior quality. This relentless pursuit of excellence clearly marks us as trailblazers, leading the way in our domain with unwavering dedication.
Our hallmark product, the state-of-the-art Safety Atex Valve, stands as a paragon of innovation in advanced hydraulic system control. Expertly engineered for the demanding environments of construction machinery and heavy-duty equipment, this indispensable component is vital for critical operations, including emergency rescue missions, intricate tunnel engineering, robust mining undertakings, and essential municipal service vehicles. We take immense pride in our deep-rooted strategic partnerships with numerous leading domestic manufacturers, substantially driving forward 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 remain steadfastly committed to offering distinguished products, unparalleled services, and groundbreaking solutions. Our vision is to ascend as a globally revered supplier of premier hydraulic components, setting unprecedented standards of excellence on an international scale.
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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