Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, seamlessly harmonizing pressure, flow, and directional control into an exquisite, unified creation. This integration ensures unmatched performance and reliability across all applications. Typically composed of three quintessential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. They precisely orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under diverse loads, delivering unsurpassed performance and versatility for any application.
The HLPSL valves are expertly customized for constant displacement pump systems, ensuring unwavering and reliable operation in every scenario. Conversely, the HLPSV valves are masterfully designed for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in providing exceptional energy-saving performance, making them the ultimate selection for applications where efficiency is a priority. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, offering the perfect 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: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.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: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;D/F - Experience unparalleled safety and operational excellence with our precision-engineered pressure limiting valve for secondary pressure (F50). This state-of-the-art feature is configured with a defined pressure value, ensuring heightened security and reliability in every operation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the power of versatility and unmatched precision. With adjustable settings ranging from 63 to 400 bar levels, this component embodies adaptability, meeting all hydraulic demands. For seamless configurations, /NF signifies no pressure limiting valve, expertly crafted for HLPSV, delivering impeccable pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel, intricately designed to suit every application, guaranteeing a product that aligns seamlessly with your unique specifications.
(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, all engineered for flawless and cohesive integration.
(9)Directional valve block inflow controller options: Explore a refined selection: 1, without inflow controller; 2, standard inflow controller; 4, cutting-edge 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 ensuring precision and superior efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functionalities: L, M, F, H, J, B, R, O, N, each designed meticulously to meet specific functional needs.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for exceptional performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, without pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Personalize with options such as: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electronic ON/OFF on side A; B, electronic ON/OFF on side B, each offering precise control and functionality.
(14) Operation modes: Opt for diverse 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, designed for comprehensive and meticulous control.
(15) Ancillary block port sizes: Choose from an unparalleled array of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each expertly crafted for seamless adaptability and flawless integration into your hydraulic systems.
(16) End plate options: Explore our meticulously engineered end plate solutions: E1, the classic choice, featuring an external discharge of pilot oil and an external oil return control port T; E2, closely resembling E1, yet enhanced with a supplementary port Y for added functionality; E3, distinguished by a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve standards when energized.
E4, akin in design to E1, yet ingeniously integrating an internal discharge of pilot oil with a sealed port T for enhanced efficiency; E5 mirrors the efficacy of E2, also incorporating internal discharge; E6 echoes the sophistication of E3, with each variant ensuring advanced discharge control and optimized system performance.
(17) Control voltage and anti-explosion cable options: Select from a spectrum of secure and compatible options, such as G12-12VDC, engineered for safety and precision in rigorous applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and unmatched excellence in the hydraulic industry. As a prestigious subsidiary of the acclaimed China Baoan Group (stock code: 000009), we proudly shine as a distinguished national high-tech enterprise. Our mastery lies in the meticulous research, development, manufacturing, and sales of top-tier hydraulic components. Our esteemed recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and superior quality. This unwavering dedication propels us to the forefront of our field.
Our enhanced Safety Atex Valve, the flagship product, represents the apex of advanced hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 unwavering in our commitment to deliver outstanding products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Inquiry:1. What about the lead time for your products?
Response:Typically, our production lead time is around one month following your payment confirmation. During this period, we engage in comprehensive preparations and implement stringent quality control measures, ensuring that every product reaches you in immaculate condition. Our unwavering promise is to deliver to you flawlessly, prioritizing your complete satisfaction.
Inquiry:2. Do you have any Minimum Order Quantity (MOQ) restrictions for LED light orders?
Response: We are delighted to offer an exceptionally low minimum order quantity, enabling you to order even a single piece for sample verification. This flexibility empowers you to start your projects effortlessly and with precision, perfectly aligning with your unique needs and expectations.
Inquiry:3. How should one proceed with placing an order for LED lights?
Response: To initiate the process, please convey your specific requirements or intended applications to us. We will then develop a custom quote tailored to your needs, either based on your specifications or leveraging our expert advice. Upon finalizing the drawings and securing a deposit, we will formalize the order and commence production. Our commitment is to meet every specification with precision, ensuring a smooth and customized solution exclusively for you.detailed drawings,and secure a deposit to confirm your order. We will then organize production, ensuring every detail is executed flawlessly for a seamless and bespoke solution.
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Response: Certainly, this is entirely possible. Please ensure that you notify us formally before production begins, and confirm the design based on the sample we provide. This will ensure that your branding is captured with unmatched precision and excellence, perfectly reflecting your identity.
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