Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations exemplify the pinnacle of hydraulic innovation, skillfully merging pressure, flow, and directional control into a single, harmonious marvel. This design ensures unparalleled performance and steadfast reliability across a wide range of applications. Typically comprised of three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered components are purposefully crafted for flawless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They meticulously manage the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights of these valves include a compact configuration, exceptional energy efficiency, and the capability for seamless, stepless speed regulation. Additionally, they empower multiple actuators to operate concurrently under diverse load conditions, delivering remarkable performance and unparalleled versatility for any application.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring unwavering and dependable operation in any environmental conditions. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves might exhibit a slightly slower response time, they excel in offering outstanding energy-saving performance, making them the perfect choice for scenarios where energy efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, presenting an ideal synergy 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 keystone of reliability, delivering unwavering and steadfast performance. This essential component ensures smooth and efficient operations throughout your system, offering superior dependability that keeps your machinery running seamlessly with precision, like a perfectly synchronized clock.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, it offers extraordinary flexibility to address a diverse array of operational needs. Masterfully tailored to adjust to ever-evolving demands, it allows for seamless transitions and exceptional control, ensuring optimal efficiency and performance.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to forge a trustworthy operational framework: Meticulously crafted for impeccable performance, enhancing reliability in every application. This steadfast design ensures consistent, top-tier operation that you can depend on.:
2-G3/8; Engineered for compact proficiency, this design supports streamlined and seamless operational flows. Precision-crafted for excellence, it guarantees optimal performance even in the most confined spaces, ensuring every operation meets the most demanding standards.
3-G1/2; Built for robustness and reliability, this connection offers a solid foundation for system integrity. Designed to endure, it delivers unwavering durability under the most demanding conditions, ensuring your system withstands the test of time with confidence.;
4-G3/4; Featuring advanced connectivity, this component offers superior control and enhanced system integration. Its sophisticated design elevates your system, uniting efficiency and control to enhance operational prowess.;
5, 55-G1; Equipped with superior flow rates, it is ideal for high-demand applications, ensuring consistent and reliable performance. Expertly designed for excellence, it tackles high-pressure challenges with ease, making it an indispensable component in challenging environments.;
6-G1 1/4; Delivering unmatched performance, this expertly engineered connection excels in demanding environments. It handles challenges effortlessly, setting new benchmarks in power and performance and solidifying its place as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing operational potential with advanced components that redefine excellence, enhancing system performance to ensure your operations remain at the forefront of industry standards.:
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements. It provides steadfast support and unmatched reliability, empowering your system to withstand the rigors of daily operations with ease.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing system efficiency. By ensuring operations are fine-tuned for maximum effectiveness, it optimizes your system's performance effortlessly, paving the way for exceptional results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management to drive unparalleled performance and dependability. This component pushes the boundaries of conventional performance, consistently delivering extraordinary and reliable results.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions for myriad applications: Our custom-engineered solutions are designed to meet your precise requirements, ensuring precision control that seamlessly aligns with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Designed to provide tailored solutions that effortlessly cater to your specific operational needs. These customizable configurations empower you to achieve your desired outcomes with exceptional ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control to new heights: This expertly designed component enhances your system's performance, delivering unparalleled control and remarkable 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; Designed for precision tuning, providing unmatched system efficiency.D/F - Introducing a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with exceptional precision to maintain a precisely defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, thereby optimizing operational 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 ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly accommodating all hydraulic requirements. The /NF configuration caters to systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across a diverse array 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 address every application, ensuring you acquire a product that seamlessly 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 ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of 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 exceptional efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unwavering dependability.
(12) Secondary pressure limitation options: Elevate your system's safety with our exclusive selection of secondary pressure limitation options: N offers no pressure limiting protection for those unique requirements; C provides concurrent pressure limitation for actuator ports A & B, ensuring synchronized safety; A---B--- delivers independent pressure limitation for ports A & B, facilitating tailored protection. Each variant is precisely calibrated in bar, ensuring steadfast and uncompromising protection.
(13) Function ON/OFF and pressure outlet options: Personalize your control interface with our expertly curated selections: N, the base model without function ON/OFF or pressure outlet; X, incorporating C type pressure limitation for enhanced control; S/S1, integrating AB type pressure limitation for dual port management; A, featuring electrical ON/OFF capability on side A; B, providing electrical ON/OFF on side B. Each option is meticulously crafted for precision and steadfast reliability, ensuring your system performs flawlessly.
(14) Operation modes: Gain complete mastery over your system with our wide array of operation modes: A(1,2), offering manual operation with either a long or short handle for tactile control; E, electric proportional control for seamless electronic management; EA(1,2), blending electric proportional control with manual operation for versatile handling; D, electric switching value control for quick response; DA(1,2), merging electric switching value control with manual operation for comprehensive adaptability; M, manual friction positioning with a long handle for precision; H, pure hydraulic control synchronizing pilot oil ports with ports A and B for fluid mechanics; F, pure hydraulic control with orthogonal pilot oil ports for advanced fluid dynamics. Each mode is expertly designed for precision and versatility.
(15) Ancillary block port sizes: Discover unparalleled flexibility with our meticulously engineered port size selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These sizes guarantee seamless adaptability and smooth integration into diverse systems, optimizing efficiency and ensuring peak performance.
(16) End plate options: Delve into our precisely crafted end plate solutions: E1, enabling an external discharge of pilot oil and external oil return control port T, ensures robust functionality. E2 enhances E1 by incorporating port Y for added versatility; E3 features an advanced 2-position, 3-way magnetic ball valve, delivering system pressure elevation to safety valve standards upon activation, maximizing operational performance.
E4 mirrors E1 but innovatively integrates an internal discharge of pilot oil with a sealed port T for superior efficiency. E5 enriches E2 with an internal discharge, elevating performance to top-tier levels. E6 replicates the sophisticated design of E3, providing state-of-the-art discharge control for demanding system needs.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range, including the G12-12VDC, which is perfectly suited for rigorous applications where safety and reliability are paramount. Our offerings guarantee specialized security, ensuring your system's dependable performance.G24-24VDC; experience the robustness of G24Ex-3m-24VDC; select G12Ex-3m-12VDC for top-tier performance; opt for G24MA-3m-24VDC; G12bb621436
Established in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has swiftly emerged as a beacon of innovation and a paragon of excellence within the hydraulic industry. As an esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, showcasing our relentless pursuit of technological advancement and superior quality. Our unmatched expertise spans the comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our resolve to uphold excellence, solidifying our leadership in the field.
Allow us to introduce our groundbreaking innovation, the enhanced Safety Atex Valve, a pinnacle of cutting-edge hydraulic system control technology. This expertly crafted component is essential for construction machinery and heavy-duty equipment, playing a vital role in 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 sophisticated mechanical equipment. Driven by our foundational philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our mission to deliver exceptional products, services, and solutions. Our vision is to ascend as a globally trusted supplier of premier hydraulic components, consistently 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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