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 unifying pressure, flow, and directional control into one harmonious entity. This guarantees unrivaled 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, indispensable 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 seamlessly adjustable speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, offering unparalleled performance and versatility across any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. In contrast, 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 emerge 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 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 - Incorporates a state-of-the-art pressure limiting valve for secondary pressure (F50), which is engineered with a precise pressure specification. This feature delivers cutting-edge safety enhancements to safeguard all operational processes, cementing its role as an essential safety component.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable component offers a spectrum of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing unparalleled versatility and precision. For enthusiasts of minimalism, the /NF option represents the absence of a pressure limiting valve, tailored explicitly for HLPSV. This design ensures optimal pressure management across diverse applications, establishing itself as an indispensable element for hydraulic operations.
(7) Product Series Classification - Representing the Pinnacle of Unmatched Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to meet a wide array of application needs, ensuring that every product is perfectly aligned with your specific requirements and operational challenges.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; featuring additional ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all ingeniously designed for flawless integration within your hydraulic systems.
(9)Directional valve block inflow controller options: Choose from a range of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, optimized for the N 3/3-way valve; 5, a reinforced inflow controller; 8, pre-selectable options, each promising precision and outstanding efficiency tailored to your needs.
(10) Valve core function symbols: Discover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet distinct functional requirements, ensuring versatility and adaptability in every application.
(11) Output flow code for ports A & B: Achieve peak efficiency with an array of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all designed for performance optimization.
(12) Secondary pressure limitation options: Opt between: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar, fortifying system security.
(13) Function ON/OFF and pressure outlet options: Tailor your system with customizable options: 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 precision and unparalleled control.
(14) Operation modes: A diverse array of operation modes available: 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), an integrated electric switching value control and manual operation; M, manual friction positioning with an extended 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 robust control.
(15) Ancillary block port sizes: Choose from a variety 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: Experience tailored versatility with our end plate selections: E1 - the standard choice, featuring an external discharge of pilot oil and an external oil return control port T; E2 - mirroring E1 with the addition of port Y for enhanced flexibility; E3 - integrating a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels during power supply, providing superior operational security.
E4 - akin to E1, but designed with an internal discharge of pilot oil, sealing port T for a seamless flow; E5 - parallel to E2, with internal discharge ensuring compact efficiency; E6 - resembling E3, each model engineered for precise and sophisticated discharge control.
(17) Control Voltage and Anti-Explosion Cable Length Selections: Choose from our robust options like G12-12VDC, crafted to assure safety and seamless compatibility with specialized applications, meeting the highest industry standards.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 excellence in the hydraulic industry. As an esteemed subsidiary of the prestigious China Baoan Group (stock code: 000009), we are recognized as a distinguished national high-tech enterprise, reflecting our dedication to advancing technology and maintaining superior quality. Our core expertise encompasses the meticulous research, development, manufacturing, and sales of premium hydraulic components, firmly establishing us as leaders in our field. Our accolade as a national 'specialized, refined, and innovative' small giant enterprise further underscores our commitment to groundbreaking advancements.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Meticulously designed for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications like emergency rescue, tunnel engineering, mining, and municipal service vehicles. We take immense pride in collaborating strategically with leading domestic manufacturers, playing an instrumental role in localizing core hydraulic components for high-end mechanical equipment. Driven by our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our mission to deliver exceptional products and services. Our vision is to become a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the world stage.
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 meticulous preparation and implement stringent quality control measures to ensure that every product reaches you in immaculate condition. Your satisfaction with our flawless and timely delivery is our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an exceptionally low minimum order quantity, granting you the unparalleled flexibility to order even a single piece for sample verification. This unique adaptability empowers you to initiate your projects with ease and precision, meeting your specialized requirements without any hassle or limits.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the ordering process by sharing your specific requirements or desired applications with us. We will then create a customized quote ideally suited for you, considering either your explicit needs or our professional recommendations. Once the drawings are confirmed and the deposit is placed, we will finalize the order and immediately launch into production. Every specification is meticulously adhered to, ensuring a seamless and bespoke solution crafted especially for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every detail is executed with precision for a seamless and customized solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely possible. Please ensure to inform us formally well before production begins and confirm the design based on the sample we provide. This guarantees your branding is presented with exceptional precision and unparalleled quality, perfectly reflecting your distinctive identity.
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