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 - This is the cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently. Rely on its steadfast nature to maintain seamless processes.;
HLPSV: Variable Displacement Pump - Exemplifying unmatched adaptability and flexibility, this pump offers unparalleled versatility to meet your diverse operational needs. Designed for dynamic environments, it adjusts effortlessly to changing demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations: Discover seamless integration with our expertly crafted ports.:
2-G3/8; Designed for compact efficiency, this option caters to streamlined and seamless operational flows, delivering optimal performance in constrained spaces.
3-G1/2; Built for robustness and dependability, this port provides a solid foundation for your system's high-demand applications.;
4-G3/4; Offering advanced connectivity, it delivers superior control and enhanced system integration, making it a prime choice for sophisticated operations.;
5, 55-G1; With an impressive flow rate, this port is ideal for high-demand applications, ensuring consistent performance and reliability.;
6-G1 1/4; Providing unmatched performance, this port is designed to excel in the field and overcome operational challenges with ease.;
(3) Additional Components and Specifications - Elevate your lifting system capabilities to new heights with our innovative solutions, engineered for excellence::
C,Standard Type - A reliable and trustworthy baseline, meticulously tailored to satisfy your essential operational needs. Depend on its steadfast performance and quality.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency by fine-tuning flow dynamics.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability, essential for high-efficiency systems.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications: Tailor your system with precision and adaptability.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 needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control: Achieve optimal system performance with our innovative valve solutions.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; Customize your system for maximum efficiency and control.D/F - Comes with a sophisticated pressure limiting valve for secondary pressure (F50), which features a precisely specified pressure value. This provides advanced safety measures that significantly enhance operational security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the epitome of versatility and precision. For those who prefer simplicity, /NF indicates no pressure limiting valve, specially crafted for HLPSV, thus ensuring optimal pressure control across a wide array of scenarios, a truly indispensable asset for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to perfectly suit every application, ensuring that you receive a product that precisely meets your unique and specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; These sizes include ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, which are meticulously crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive range: 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 selection ensures precision and efficiency of operation.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N. Each is intricately designed to fulfill unique and specific functional requirements with precision and grace.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, perfectly tailored for optimal performance across a variety of demanding situations.
(12) Secondary pressure limitation options: Choose from the following robust 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 meticulously measured in bar to ensure robust system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Explore 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 designed for precise control and adaptability.
(14) Operation modes: Discover diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control and manual operation; D, electric switching value control; DA(1,2), a blend 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, designed for comprehensive and versatile control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly engineered for seamless adaptability across varied applications.
(16) End plate options: Customize your system with our tailored end plate selections, which include: E1, the standard choice, featuring external discharge of pilot oil and a control port for external oil return, denoted as port T. E2 mirrors E1 but adds an extra port Y, offering additional versatility. For advanced control, opt for E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels when the power supply is engaged.
E4, akin to E1 in design, features internal discharge of pilot oil and a sealing port T for efficient operation; E5 shares similarities with E2, also offering internal discharge; E6, mirroring E3, provides sophisticated discharge control, ensuring optimal performance for your system's needs.
(17) Control voltage and length of anti-explosion type cable options: Choose from our specialized selection including G12-12VDC, tailored to ensure safety and compatibility with your specific applications, especially in environments requiring heightened protective measures.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 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:Our production lead time is generally about one month after receiving your payment. Throughout this duration, we meticulously prepare and enforce rigorous quality control standards, ensuring each product reaches you flawlessly. Delivering exceptional satisfaction through our impeccable service is our utmost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, providing you the flexibility to order even a single unit for sample verification. This flexibility empowers you to embark on your projects effortlessly, precisely aligning with your specific requirements without any inconvenience.
Question:3. How to proceed with an order for LED lights?
Answer: Start the process by communicating your detailed needs or intended uses with us. We will then craft a personalized quote tailored to your specifications, either driven by your input or our expert guidance. Upon approval of the drawings and deposit placement, we will finalize the order and initiate production. We adhere to every specification with utmost precision, providing you a seamless, tailored solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Certainly! We can print your logo on the product. Please inform us formally before production commences and confirm the design based on the sample we provide to ensure your branding is represented with precision and top-notch quality, perfectly mirroring your identity.
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