Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one 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 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 - The cornerstone of reliability, providing unwavering and consistent operation, ensuring supreme smoothness and efficiency throughout your entire system. Enjoy unparalleled dependability that ensures your machinery runs effortlessly, maintaining precision like a finely-tuned clock.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, delivering exceptional flexibility to accommodate a diverse array of operational requirements. Expertly crafted to adapt to dynamic demands, it facilitates seamless transitions and offers superior control for peak efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision intersects with reliability, establishing a robust operational framework: Masterfully engineered for impeccable performance, boosting reliability in all applications. This trustworthy design guarantees consistent, premium performance.:
2-G3/8; Crafted for compact efficiency, it supports a streamlined and effortless flow of operations. Perfectly designed for precision, ensuring superior performance even in confined spaces, meeting the most stringent standards in every operation.
3-G1/2; Designed for strength and dependability, this connection provides a steadfast foundation for system integrity. Built with durability in mind, it offers unwavering performance under the most challenging conditions, ensuring your system is resilient over time.;
4-G3/4; With advanced connectivity, it provides superior control and enhanced system integration. This sophisticated design elevates your system, merging efficiency and control to boost operational excellence.;
5, 55-G1; Featuring exceptional flow rates, perfect for high-demand scenarios, ensuring consistent and trustworthy performance. Designed for excellence, it manages high-pressure situations effortlessly, making it indispensable in demanding environments.;
6-G1 1/4; Delivering unrivaled performance, expertly crafted to excel in challenging environments with ease. This connection sets new standards in power and performance, solidifying its standing as a leader in the industry.;
(3) Additional Components and Specifications - Raising system capabilities to unmatched heights: Unlocking operational potential with leading-edge components that redefine excellence, boosting system performance to keep your operations at the pinnacle of industry standards.:
C,Standard Type - A trustworthy and dependable foundation, meticulously crafted to meet fundamental operational needs. Providing unwavering support and exceptional reliability to empower your system, ensuring it withstands the demands of daily use.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, boosting system efficiency. By fine-tuning operations for maximum impact, it enhances your system's performance effortlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and reliability. This component surpasses conventional performance limits to consistently deliver exceptional outcomes.;
(4) Pilot Oil Circuit Pressure Options - Experience our custom-tailored pressure control solutions, exquisitely crafted to fulfill a vast array of applications: Meticulously designed to meet your unique specifications, our solutions offer impeccable precision control, perfectly attuned to achieve your operational objectives with finesse and accuracy.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover our bespoke solutions that seamlessly adapt to your specific operational demands. Our customizable configurations ensure that your desired results are effortlessly achieved, providing unparalleled ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ascend to new heights of efficiency and control: Our expertly crafted valve magnifies your system's performance, delivering unmatched control and exceptional operational effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates the pump upon power-up, deactivating upon power loss; D - Normally closed magnetic ball valve, deactivates the pump upon power-up, activating upon power loss; Precision-engineered for optimal system efficiency.D/F - Discover an innovative, precision-engineered pressure limiting valve for secondary pressure (F50), masterfully constructed to uphold a precisely specified pressure value. This engineering marvel revolutionizes advanced safety protocols, elevating operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the zenith of adaptability and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component symbolizes versatility, smoothly aligning with every hydraulic necessity. The /NF configuration presents systems devoid of a pressure limiting valve, artfully designed for HLPSV, delivering unsurpassed pressure management across myriad applications.
(7) Product Series Classification - A Testament to Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paradigm of design excellence, thoughtfully crafted to fulfill every application, ensuring you receive a product that impeccably 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; Featuring additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an expansive collection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precise and exceptional efficiency.
(10) Valve core function symbols: Delve into a vast repertoire of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy distinct functional requirements.
(11) Output flow code for ports A & B: Attain peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and unwavering reliability.
(12) Secondary pressure limitation options: Elevate your system's safety standards with our exceptional array of premium selections. Opt between: N, offering no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; A---B---, enabling independent pressure limitation for ports A & B. Each choice is precisely calibrated in bar, ensuring steadfast and uncompromising protection that meets your highest expectations.
(13) Function ON/OFF and pressure outlet options: Tailor your control experience with our expertly crafted selection of options: N signifies absence of function ON/OFF or pressure outlet; X integrates C type pressure limitation; S/S1 employs AB type pressure limitation; A allows electrical ON/OFF on side A; B facilitates electrical ON/OFF on side B. Each choice is engineered meticulously to deliver precision and reliability, enhancing your operational capabilities.
(14) Operation modes: Achieve exceptional control through our diverse range of operation modes: A(1,2) offers manual operation with a choice of long or short handle; E provides electric proportional control; EA(1,2) combines electric proportional control with manual operation for a harmonious synergy; D delivers electric switching value control; DA(1,2) merges electric switching value control with manual operation; M renders manual friction positioning with a long handle; H features pure hydraulic control, aligning pilot oil ports with ports A and B, while F presents pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for unparalleled precision and versatility, ensuring superior performance.
(15) Ancillary block port sizes: Embrace extraordinary versatility with our meticulously engineered port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These sizes are designed to offer seamless adaptability and flawless integration across a multitude of systems, ensuring efficiency and peak performance in every application.
(16) End plate options: Discover our carefully engineered end plate solutions for optimal performance: E1 guarantees external discharge of pilot oil and external oil return control via port T. E2 enhances E1 with the addition of port Y for greater flexibility; E3 incorporates a sophisticated 2-position, 3-way magnetic ball valve, raising system pressure to safety valve levels when activated, ensuring ultimate performance and safety.
E4 mirrors E1, but incorporates an innovative internal discharge of pilot oil with a sealed port T, elevating efficiency standards. E5 enriches E2 with an internal discharge, ensuring superior performance. E6 mirrors the advanced design of E3, delivering state-of-the-art discharge control perfectly suited for complex system needs.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure range, including G12-12VDC, specifically designed for challenging applications with a strong emphasis on safety and reliability. Our offerings ensure specialization and security, catering to your unique requirements.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 rapidly ascended to prominence within the hydraulic industry, becoming a beacon of innovation and excellence. As an esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, highlighting our steadfast dedication to technological advancement and unmatched quality. Our expertise is second to none, spanning comprehensive research, development, manufacturing, and the sales of top-tier hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we are resolute in our commitment to excellence, reinforcing our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, which represents the pinnacle of advanced hydraulic system control technology. This precisely engineered component is critical for construction machinery and heavy-duty equipment, serving pivotal roles in 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 sophisticated mechanical equipment. Driven by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our pursuit to provide extraordinary products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new standards 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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