Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial 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 encompass 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. While 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 very essence of steadfast and dependable performance, ensuring that your operations proceed with unwavering consistency and peak efficiency.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and flexibility, delivering unmatched versatility to cater to a wide array of operational demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here, ensuring operations you can trust::
2-G3/8; Crafted for compact efficiency, this port caters to streamlined, seamless operational flows.
3-G1/2; Engineered for robustness and dependability, this port provides a sturdy foundation for your system.;
4-G3/4; Delivering advanced connectivity, this option ensures superior control and enhanced system integration.;
5, 55-G1; With an outstanding flow rate, this choice is ideal for high-demand applications, guaranteeing consistent performance.;
6-G1 1/4; Offering unparalleled performance, this port is designed to excel in demanding conditions and overcome challenges.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, meticulously tailored to meet your core operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, thereby boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse applications:0 - Without pressure reducing valve; 1 - With pressure reducing valve (20 bar); 2 - With pressure reducing valve (40 bar); Providing bespoke solutions to seamlessly meet your specific operational requirements.
(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, pressurizes pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered;D/F - Equipped with a sophisticated pressure limiting valve designed for secondary pressure (F50), featuring a specified pressure value. This advanced component assures unparalleled safety measures, ensuring secure and reliable operations in demanding environments.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at pressure levels of 63, 120, 210, 280, 315, 350, and 400 bar, epitomizing precision and adaptability. For users who prefer simplicity, the /NF option indicates the absence of a pressure limiting valve, specifically tailored for HLPSV configurations. This feature guarantees optimal pressure control across diverse scenarios, rendering it an indispensable element of your hydraulic system solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to cater to an array of applications, ensuring you receive an exceptional product tailored to meet your precise specifications and operational demands.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Complemented with ancillary blocks or the intermediate transition block ZPL 5S(V)/H, these components are expertly crafted for seamless integration and enhanced system functionality.
(9)Directional valve block inflow controller options: Choose from a variety of precision-driven options: 1, without inflow controller; 2, standard inflow controller; 4, a cutting-edge 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 engineered to ensure unparalleled precision and operational efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each crafted with meticulous precision to meet and exceed unique functional requirements and performance standards.
(11) Output flow code for ports A & B: Achieve peak efficiency with a range of maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all tailored for superior performance and reliability.
(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 measured in bar. Each option is designed to ensure robust system safety and dependability.
(13) Function ON/OFF and pressure outlet options: Tailor your setup with customizable options including: 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 and effective control.
(14) Operation modes: A diverse array of operation modes is available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), an integration of electric switching value control and manual operation; M, manual friction positioning with a 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, each mode crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from a selection of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration into your hydraulic systems.
(16) End Plate Options: Discover a range of end plate choices meticulously tailored to meet your specific needs: E1, the standard option, offers external discharge of pilot oil with an external oil return control port T, ensuring reliable performance. E2 elevates the features of E1 by incorporating an additional port Y for enhanced functionality. E3 stands out with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels whenever the power supply is engaged, ensuring peak safety standards.
E4, a refined version of E1, provides internal discharge of pilot oil with a sealed port T, offering a seamless integration into your systems. E5 builds on E2's strengths, adding internal discharge capabilities for a more streamlined operation. Meanwhile, E6 mirrors E3's sophisticated design, ensuring precise discharge control with the highest standards of reliability.
(17) Control Voltage & Anti-Explosion Cable Options: Choose from a meticulously curated selection of control voltage and anti-explosion type cable options. Our offerings include G12-12VDC, dedicated to ensuring safety and seamless compatibility with your specialized applications. These options are crafted to meet the demanding needs of your operations with precision and reliability.G24, an exemplary choice for robust and reliable voltage control, ensuring optimal performance in all applications.- A pivotal separator for clarity in your setup, providing a clear distinction between component choices.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - A diverse range of voltage specifications to perfectly suit your operational requirements, each designed for high-efficiency performance.12 - A clean and straightforward option ensuring compatibility across multiple systems.bb621436 - An essential reference code for quick identification and seamless integration within your system architecture.
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: 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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