Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation by seamlessly integrating pressure, flow, and directional control into a unified, harmonious masterpiece. This ensures unmatched performance and unwavering reliability across every application. Typically composed of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for seamless integration into high-end hydraulic systems, vital for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering 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 setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering 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 foundational marvel of stability and unwavering performance, this ensures that your operations remain smooth and efficient at all times without compromise.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and flexibility, this component offers unmatched versatility to meet a wide spectrum of operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliable performance, assuring you of operations that you can trust::
2-G3/8; Designed with compact efficiency in mind, it caters to streamlined and seamless operational flows, optimizing your system's effectiveness.
3-G1/2; This is built for unyielding robustness and dependability, offering a solid and trustworthy foundation for your entire system's needs.;
4-G3/4; With advanced connectivity, this delivers superior control and enhances system integration for peak performance.;
5, 55-G1; Known for its superior flow rate, this option is ideal for high-demand applications, ensuring reliability and consistent performance.;
6-G1 1/4; This promises unmatched performance, designed to excel even in challenging environments, overcoming any hurdles with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A trusted and reliable baseline, perfect for addressing your essential operational needs with confidence.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, thereby enhancing overall system efficiency for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management to drive superior performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for a diverse range of applications, ensuring optimal performance:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailor-made solutions to meet your specific operational needs effortlessly and seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining operational efficiency while enhancing control for better outcomes:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, activating when unpowered;D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure (F50) with a precisely defined pressure value. This enhances safety protocols, ensuring secure and reliable operations at every step.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component stands as a paragon of adaptability and exactitude, featuring adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who opt for a straightforward approach, /NF implies no pressure limiting valve, custom-made for HLPSV. This feature guarantees optimal pressure management across various scenarios, rendering it indispensable for your hydraulic solutions.
(7) Product Series Classification - The Benchmark of Superior Quality:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with precision to meet every application, guaranteeing a product that aligns perfectly with your requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration.
(9)Directional valve block inflow controller options: Opt from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to address distinct functional needs.
(11) Output flow code for ports A & B: Achieve efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, customized for peak performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all benchmarked in bar, ensuring superior system safety.
(13) Function ON/OFF and pressure outlet options: Tailor options to include: 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 meticulous control.
(14) Operation modes: Available in diverse modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), hybrid 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 governance.
(15) Ancillary block port sizes: Choose from adaptive options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability.
(16) End plate options: Discover a range of meticulously crafted end plate selections designed to enhance system functionality. Choose from: E1, a standard model featuring an external discharge of pilot oil along with an external oil return control port T; E2 offers a similar configuration as E1 but includes an added port Y for increased versatility; E3 is equipped with a 2-position 3-way magnetic ball valve, seamlessly elevating system pressure to safety valve levels during power supply, ensuring utmost safety and reliability.
E4, mirroring the capabilities of E1, but with an internal discharge of pilot oil and a sealing port T, ensuring optimal performance; E5, akin to E2, also features an internal discharge for efficient handling; E6, reflecting the design of E3, guarantees precise discharge control, catering to the sophisticated needs of modern hydraulic systems.
(17) Control voltage and anti-explosion cable options: Select from a curated range of options designed to ensure safety and compatibility with specialized applications, including G12-12VDC. These options provide unwavering reliability in demanding environments.G24-24VDC; explore anti-explosion options such as G24Ex-3m-24VDC, G12Ex-3m-12VDC, and G24MA-3m-24VDC, providing robust safety features and tailored solutions to meet the most stringent industry standards.12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations 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 resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
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Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
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Answer: Absolutely, this is certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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