Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, artfully integrating pressure, flow, and directional control into a single cohesive marvel. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are meticulously designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, offering an ideal combination 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 - Anchoring your operations with unwavering reliability, this pump stands as a pillar of consistency. Its robust performance ensures your systems operate with the precision of a finely-tuned clock, providing an unshakeable foundation for all your hydraulic needs.;
HLPSV: Variable Displacement Pump - Embodying the essence of flexibility and innovation, this pump adapts to diverse operational demands with ease. Its dynamic nature allows your system to transition smoothly through varying requirements, offering unparalleled control and customization for optimal performance.;
(2) Connection Block Ports P & R Specifications - Precision engineering at its finest, ensuring a reliable operational framework. Expertly crafted for optimal performance, enhancing the dependability of your applications through unmatched precision and quality.:
2-G3/8; Masterfully designed for compact efficiency, this connection supports seamless and efficient operations. It embodies precision engineering, making it ideal for confined spaces without compromising on performance.
3-G1/2; Built to endure, this robust connection offers a reliable anchor for your system's integrity. Designed for longevity, it consistently delivers high performance under demanding conditions, ensuring your system remains steadfast.;
4-G3/4; Showcasing advanced connectivity, this option provides superior control and seamless system integration. It merges sophistication with efficiency, elevating your system's capabilities to new heights of operational excellence.;
5, 55-G1; Engineered for exceptional flow rates, this connection is perfect for high-demand applications, ensuring reliability and consistency. It meets high-pressure challenges with ease, setting a standard for performance and quality.;
6-G1 1/4; Unmatched in performance, this connection is crafted to excel in challenging environments. It sets new benchmarks in power and reliability, handling demanding tasks with effortless efficiency.;
(3) Additional Components and Specifications - Pushing your system's capabilities beyond limits: Unlock the full potential of your operations with cutting-edge components that redefine standards of excellence.:
C,Standard Type - The cornerstone of reliability, meticulously crafted to meet essential operational needs. It empowers your system with steadfast support, ensuring smooth and uninterrupted operations.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting your system's efficiency. Fine-tunes your operations for maximum performance and effectiveness, ensuring optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management for extraordinary performance and reliability. It transcends conventional limits to provide exceptional results, driving your system to new levels of efficiency.;
(4) Pilot Oil Circuit Pressure Options - Delivering custom-engineered pressure control solutions for a wide range of applications: Tailored with exceptional precision to meet your specific needs, ensuring seamless alignment with your operational objectives and a perfect fit for your enterprise.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); We provide bespoke solutions crafted to flawlessly accommodate your distinct operational requirements. Our customizable configurations guarantee effortless achievement of your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximize system efficiency and control: Expertly designed to elevate your system's capabilities, delivering unrivaled control and outstanding performance for superior operational effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates the pump when powered, deactivates when unpowered; D - Normally closed magnetic ball valve, deactivates the pump when powered, activates when unpowered; Providing precision tuning for unmatched system efficiency and control.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), meticulously crafted to sustain a specifically defined pressure value. This engineering masterpiece significantly enhances safety measures, optimizing security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, fulfilling every hydraulic demand. The /NF configuration provides systems devoid of a pressure limiting valve, masterfully crafted for HLPSV to deliver exemplary pressure control across diverse applications.
(7) Product Series Classification - A Testament to Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a showcase of design mastery, thoughtfully conceived to cater to every application, ensuring acquisition of a product that perfectly aligns with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless, flawless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically engineered for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Delve into an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet precise functional requirements.
(11) Output flow code for ports A & B: Reach pinnacle efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and dependability.
(12) Secondary pressure limitation options: Unlock unparalleled safety with our expertly crafted selections: N, offering no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; A---B---, dedicated independent pressure restriction for ports A & B, precisely calibrated in bar to uphold the highest standards of system integrity.
(13) Function ON/OFF and pressure outlet options: Customize your hydraulic experience with precision-engineered choices like: N, omitting function ON/OFF and pressure outlet; X, integrating C type pressure limitation; S/S1, featuring AB type pressure limitation; A, facilitating electrical ON/OFF on side A; B, encompassing electrical ON/OFF on side B, each crafted for superior control and optimized performance.
(14) Operation modes: Experience unmatched versatility with our extensive operation mode selections: A(1,2), providing manual operation with optional long or short handle; E, enabling electric proportional control; EA(1,2), merging electric proportional control with manual operation; D, offering electric switching value control; DA(1,2), combining electric switching value control with manual operation; M, featuring manual friction positioning with a long handle; H, delivering pure hydraulic control with direct alignment of pilot oil ports to oil ports A and B; F, ensuring pure hydraulic control with perpendicular pilot oil ports, all meticulously designed for precision and comprehensive control.
(15) Ancillary block port sizes: Embark on a journey of adaptability with our ingeniously designed auxiliary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is engineered with precision to guarantee seamless integration and adaptability within a spectrum of systems, ensuring peak efficiency and performance.
(16) End plate options: Explore our finely tuned end plate solutions: E1, a standard choice, ensures an external discharge of pilot oil and an external oil return control port T. E2 enhances E1 with the addition of port Y for additional flexibility; E3 incorporates a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when engaged, assuring maximum performance.
E4, reflecting E1, innovatively includes an internal discharge of pilot oil coupled with a sealed port T for improved efficiency. E5 mirrors the robust capabilities of E2 with an internal discharge, optimizing performance. E6 mirrors the advanced design of E3, offering superior discharge control across all variants to address complex system requirements.
(17) Control voltage and anti-explosion cable options: Choose from our secure and adaptable range, including G12-12VDC, which is engineered for safety and reliability even in the most challenging applications. Our options ensure specialized functionality and secure operations.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a lighthouse of innovation and excellence in the hydraulic industry. Proudly affiliated as a prestigious subsidiary of the eminent China Baoan Group (stock code: 000009), our company shines as a national high-tech enterprise, embodying our relentless pursuit of technological progress and unparalleled quality. Our unmatched proficiency encompasses the meticulous research, development, manufacturing, and sales of superior hydraulic components. Esteemed as a national 'specialized, refined, and innovative' small giant enterprise, we remain unwavering in our commitment to excellence, cementing our leadership in the field.
Our flagship innovation, the advanced Safety Atex Valve, epitomizes the zenith of state-of-the-art hydraulic system control. This meticulously engineered component is tailored for incorporation in construction machinery and robust equipment, serving a critical function in vital applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly forge strategic alliances with prominent domestic manufacturers, significantly propelling the localization of core hydraulic components for high-end mechanical systems. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we stand resolute in our mission to deliver exceptional products, services, and solutions. Our ambition is to be recognized as a globally trusted supplier of elite hydraulic components, consistently setting new benchmarks of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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