Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These represent the pinnacle of hydraulic innovation, masterfully blending pressure, flow, and directional control into one unified masterpiece. The result? Unrivaled performance and reliability in every application. These valves are typically comprised of three essential modules - connecting blocks, directional valves, and end plates - all precision-engineered to integrate seamlessly into elite hydraulic systems, crucial for superior engineering machinery. They adeptly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key features include a compact design, remarkable energy efficiency, and the capability for stepless speed regulation. Furthermore, they allow multiple actuators to operate simultaneously under diverse loads, delivering spectacular performance and versatility for various applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring unwavering and dependable operation in any setting. On the other hand, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in delivering superb energy-saving performance, making them the ultimate choice when 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 an ideal 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 keystone of reliability, delivering consistent and steadfast performance to ensure operations remain smooth and efficient throughout your system. Experience unparalleled dependability that keeps your operations seamless and timely.;
HLPSV: Variable Displacement Pump - A celebrated model of adaptability and versatility, providing extraordinary flexibility to accommodate a vast spectrum of operational requirements. Adaptable to ever-changing demands, it allows for seamless transitions and gives you superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging an operational framework you can trust: Meticulously crafted for flawless performance, it enhances reliability across every application.:
2-G3/8; Crafted for compact yet powerful proficiency, designed to support streamlined and seamless operational flows. Perfectly engineered for precision, it guarantees optimal performance even in the tightest of spaces.
3-G1/2; Engineered for robustness and reliability, it provides a solid foundation for your system's integrity. Built to endure, delivering unwavering durability under the toughest conditions.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhanced system integration. Merging sophistication with efficiency, it elevates your system's operational prowess to new heights.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring performance that is both consistent and reliable. Designed for excellence, it effortlessly tackles high-pressure challenges.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in challenging environments and tackle all obstacles effortlessly. It sets new benchmarks in power and performance.;
(3) Additional Components and Specifications - Raising system capabilities to unprecedented heights: Unleash the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing steadfast support and unmatched reliability, it empowers your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system. Fine-tune your operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unparalleled performance and dependability. It pushes the limits of conventional performance to achieve extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for diverse applications: Tailored to meet your needs, it offers precision control perfectly aligned with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our offerings are meticulously crafted to provide bespoke solutions that flawlessly cater to your unique operational requirements. These customizable options ensure you achieve your desired results with utmost simplicity and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing efficiency and control, this innovation is expertly designed to maximize your system's performance, offering matchless control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressure when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, activates pressure when unpowered; Empower your system with precision tuning, elevating efficiency to extraordinary levels.D/F - Introducing a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with exceptional accuracy to maintain a precisely mandated pressure value. This engineering masterpiece significantly enhances advanced safety protocols, thus elevating operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly addressing all hydraulic needs. The /NF configuration, devoid of a pressure limiting valve, is expertly designed for HLPSV, offering unparalleled pressure management across a multitude of applications.
(7) Product Series Classification - The Quintessence of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, meticulously crafted to suit every application, ensuring you acquire a product that flawlessly aligns with your distinctive requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Accompanied by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously engineered for impeccable and seamless integration.
(9)Directional valve block inflow controller options: Choose from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, custom-made for the N 3/3-way valve; 5, advanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive repertoire of core functions: L, M, F, H, J, B, R, O, N, each designed with meticulous attention to meet specific functional requisites.
(11) Output flow code for ports A & B: Attain optimal performance with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme dependability and performance.
(12) Secondary pressure limitation options: Choose 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 precisely gauged in bar to guarantee uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your system's precision with our customized options like N, forgoing function ON/OFF or pressure outlets; X, incorporating C type pressure limitation; S/S1, crafted for AB type pressure limitation; A, featuring electrical ON/OFF on side A; B, designed with electrical ON/OFF on side B, each engineered for remarkable control and superior functionality.
(14) Operation modes: Select from a comprehensive array of operation modes: A(1,2), offering manual operation with an optional long or short handle; E, providing electric proportional control; EA(1,2), harmoniously combining electric proportional control and manual operation; D, delivering electric switching value control; DA(1,2), merging electric switching value control with manual operation; M, featuring manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, each crafted to ensure comprehensive and precise control.
(15) Ancillary block port sizes: Unleash unparalleled versatility with our expertly designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each is precisely engineered for seamless adaptability, ensuring flawless integration across varied systems, guaranteeing efficiency and optimal performance.
(16) End plate options: Explore our intricately designed end plate solutions: E1, as your standard choice, ensures external discharge of pilot oil and an external oil return control port T. E2 enhances E1 with the addition of port Y, offering extra flexibility; E3 includes a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring peak performance.
E4, akin to E1, innovatively includes an internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 retains the robust features of E2 with an internal discharge, ensuring optimal performance. E6 carries forward the sophisticated design of E3, delivering advanced discharge control in every variant to meet complex system demands.
(17) Control voltage and anti-explosion cable options: Opt for our secure and compatible range, including G12-12VDC, designed to ensure safety and reliability in the most demanding applications. Our diverse options cater to specialization and security.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 excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, epitomizing our commitment to technological advancement and exceptional quality. Our unparalleled expertise ranges across the rigorous research, sophisticated development, meticulous manufacturing, and strategic sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we relentlessly pursue excellence, solidifying our position as trailblazers in the field.
Our flagship creation, the enhanced Safety Atex Valve, epitomizes the pinnacle of cutting-edge hydraulic system control. This expertly designed component is crafted for use in construction machinery and heavy-duty equipment, serving crucial roles in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances 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 remain steadfast in our pursuit of delivering exceptional products, unparalleled services, and innovative solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually 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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