Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the pinnacle of hydraulic innovation. These engineering marvels elegantly blend pressure, flow, and directional control, delivering unmatched performance and reliability in every context. Composed of three crucial functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves integrate seamlessly into high-end hydraulic systems, essential for superior engineering machinery. They expertly manage the direction and speed of hydraulic cylinders, motors, and other actuators with unmatched precision and control. Key features include a compact design, exceptional energy efficiency, and stepless speed control capabilities. Additionally, they empower multiple actuators to operate simultaneously under various loads, offering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring unwavering and dependable operation across all environments. In contrast, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel with exceptional energy-saving performance, making them the ideal choice when efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, 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 reliability, ensuring a harmonious and efficient workflow. With each operation, experience the unparalleled dependability that keeps your system functioning seamlessly.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptation, offering exceptional versatility to meet diverse operational demands. Designed to smoothly transition and give you refined control in a dynamic environment.;
(2) Connection Block Ports P & R Specifications - Precision engineered for dependability: Crafted with meticulous attention to detail, these specifications ensure reliable and consistent performance in every scenario.:
2-G3/8; Designed for compact efficiency, ensuring streamlined operations. Its precision design assures optimal performance even in the most constrained spaces.
3-G1/2; Built for strength and steadfastness, it offers a sturdy foundation for your system's integrity. Its durability withstands the toughest challenges with ease.;
4-G3/4; With advanced connectivity, it promotes superior system integration and control, raising the bar for operational excellence and efficiency.;
5, 55-G1; With exceptional flow rates, it's crafted for high-demand scenarios, ensuring consistent and dependable performance, tackling high pressures with confidence.;
6-G1 1/4; Setting new standards in performance, expertly designed to excel in challenging environments and effortlessly overcome obstacles.;
(3) Additional Components and Specifications - Taking your system capabilities to extraordinary new levels: Harness the power of advanced components that push the boundaries of excellence.:
C,Standard Type - A fundamental and trusted basis, crafted to meet essential operational needs. Provides unwavering support and exceptional reliability for your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing system efficiency. Optimizes your operations for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability. It transcends typical performance standards to yield exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for various applications: Precisely tailored for your needs, offering precision control that aligns seamlessly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Exquisite tailored solutions seamlessly crafted to meet and exceed your specific operational demands. Enjoy a full spectrum of customizable configurations, ensuring you achieve your desired outcomes with the utmost ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - A new pinnacle of efficiency and control: Strategically designed to elevate your system's performance, offering unmatched control and superior operational effectiveness.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; Delivering precision-tuned solutions for extraordinary system efficiency.D/F - Introducing a groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50), exquisitely crafted with exceptional precision to uphold a specifically defined pressure value. This engineering marvel is designed to dramatically enhance advanced safety protocols, thereby elevating operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of adaptability, seamlessly fulfilling every hydraulic need. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, offering unrivaled pressure control across a multitude of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully conceived to cater to every application, ensuring you acquire a product that seamlessly aligns with your precise requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of meticulously tailored options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and outstanding efficiency.
(10) Valve core function symbols: Dive into an extensive collection of core functions, each meticulously crafted to meet distinct functional requirements: L, M, F, H, J, B, R, O, N.
(11) Output flow code for ports A & B: Achieve peak efficiency with a range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability.
(12) Secondary pressure limitation options: Opt from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar to ensure uncompromising system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your operational experience with our suite of advanced options designed for precision and control. Choose from: N - a streamlined setup without function ON/OFF or pressure outlet; X - C type pressure limitation for enhanced safety; S/S1 - AB type pressure limitation for versatile application; A - electrical ON/OFF on side A for targeted control; B - electrical ON/OFF on side B for balanced management. Each option is meticulously crafted to deliver unparalleled functionality and precision.
(14) Operation modes: Experience a world of flexibility with our tailored operation modes: A(1,2) - manual operation featuring long or short handle options for personalized handling; E - electric proportional control for smooth transitions; EA(1,2) - a harmonious blend of electric proportionate control with manual operation; D - electric switching value control for decisive command; DA(1,2) - a synergy of electric switching control and manual handling; M - manual friction positioning paired with a long handle for precision; H - pure hydraulic control with pilot oil port alignment for seamless integration; F - pure hydraulic control with perpendicular pilot oil ports, each mode expertly crafted for comprehensive, precise control.
(15) Ancillary block port sizes: Unlock versatility with our ingeniously crafted ancillary block port sizes: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is meticulously engineered to promise seamless adaptation and flawless integration across various systems. These ports are designed to ensure efficiency, optimal performance, and the highest degree of adaptability.
(16) End plate options: Explore our array of meticulously designed end plate solutions: E1 - your go-to standard choice ensuring external discharge of pilot oil with an external oil return control port T; E2 - builds on E1 by incorporating port Y for enhanced flexibility; E3 - introduces a sophisticated 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels upon activation, guaranteeing peak performance and system security.
E4, echoing E1, uniquely integrates internal discharge of pilot oil with a sealed port T for enhanced system efficiency. E5 mirrors the robust features of E2, but with an internal discharge, ensuring superior system performance. E6 reflects the sophisticated design of E3, providing advanced discharge control across variants to meet the demands of complex systems efficiently.
(17) Control voltage and anti-explosion cable options: Ensure the utmost in safety and reliability in demanding applications with our secure and versatile range of control voltage and anti-explosion cable options. Choose from options like G12-12VDC, designed specifically for high-demand environments. Our selections offer specialized solutions and security, tailored to meet your operational needs.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of innovation and a hallmark of excellence in the hydraulic industry. Operating as a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), our company garners national acclaim as a high-tech enterprise, underscoring our unwavering dedication to technological advancement and superior quality. With unmatched expertise, we excel in the intensive research, development, manufacturing, and sales of premium hydraulic components. As a recognized national 'specialized, refined, and innovative' small giant enterprise, our commitment to excellence remains steadfast, reinforcing our leadership in the field.
Our flagship innovation, the enhanced Safety Atex Valve, epitomizes the pinnacle of advanced hydraulic system control. This masterfully engineered component is tailored for use in construction machinery and robust heavy-duty equipment, playing a crucial role in essential applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, significantly advancing the localization of 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 pursuit of delivering outstanding products, services, and solutions. Our mission is to establish ourselves as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks of excellence on the international 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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