Introducing our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, seamlessly blending pressure, flow, and directional control into a single, cohesive masterpiece. This ensures unmatched performance and reliability in every scenario. Comprised of three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless integration into high-end hydraulic systems, essential for top-of-the-line engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a compact structure, superior energy efficiency, and the remarkable capability of stepless speed control. Furthermore, these valves empower multiple actuators to function simultaneously under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. In contrast, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves might exhibit a slightly slower response time, they excel in providing outstanding energy-saving performance, making them the ultimate choice for applications where efficiency is crucial. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal fusion 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 cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 - Equipped with a state-of-the-art pressure limiting valve designed for secondary pressure (F50) featuring a predetermined pressure value. This component sets a new standard in safety, ensuring secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This element offers a wide array of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, making it a paragon of versatility and precision. For those who value straightforward solutions, /NF indicates the absence of a pressure limiting valve, tailor-made for HLPSV. This feature guarantees optimal pressure control in various scenarios, making it a vital component for all your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous attention to detail to perfectly match every application, ensuring you receive a product that impeccably meets your specific needs.
(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, engineered for flawless integration.
(9)Directional valve block inflow controller options: Choose from versatile options: 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, all crafted to ensure maximum precision and efficiency.
(10) Valve core function symbols: Discover a diverse and comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy distinct functional demands.
(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, precisely calibrated for optimal performance.
(12) Secondary pressure limitation options: Select from a range of options: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring exceptional system safety.
(13) Function ON/OFF and pressure outlet options: Customize your settings with options such as: 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, all designed for precise and accurate control.
(14) Operation modes: A selection of operation modes awaits you: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), a harmonious combination of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion of electric switching value control with manual operation; M, manual friction positioning utilizing a long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability to meet your specific needs.
(16) End plate options: Experience unparalleled customization with our tailored end plate choices, which include: E1, the standard variant, featuring an external discharge of pilot oil and an external oil return control port T; E2, mirroring E1, but enhanced with an additional port Y; and E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power supply. These options provide robust adaptability for varied operational requirements.
E4, crafted akin to E1, but boasting an internal discharge of pilot oil with a sealed port T; E5, reminiscent of E2, offers internal discharge, ensuring seamless integration; and E6, like E3, all ensuring sophisticated discharge control for optimal performance. Choose these to enhance your system's precision and reliability.
(17) Control voltage and the length of anti-explosion type cable options: Choose from precise voltage options like G12-12VDC, crafted to ensure safety and compatibility across specialized applications, giving you peace of mind and flexibility.G24 - An ideal voltage configuration for a wide range of demanding environments.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Our extensive selection caters to your specific needs, with robust and reliable solutions designed for challenging conditions.12 - Ensuring the right fit for your operational requirements with precision and assurance.bb621436
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.
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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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