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 keystone of reliability, it delivers unwavering and consistent performance, ensuring smooth and efficient operations across your system. With a commitment to superior dependability, it keeps your machinery running seamlessly, maintaining precise functionality and reliability like clockwork.;
HLPSV: Variable Displacement Pump - A manifestation of adaptability and versatility, it offers an extraordinary range of flexibility to meet diverse operational needs. Designed to adjust effortlessly to ever-changing demands, it enables seamless transitions and superior control, ensuring optimal efficiency at every turn.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, forges a trustworthy operational framework: Meticulously engineered for flawless performance, it enhances reliability in every application. This dependable design guarantees consistent, top-tier operation, ensuring every task is executed with precision and reliability.:
2-G3/8; Crafted for compact proficiency, it supports streamlined and seamless operational flows. Its precise engineering guarantees optimal performance even in the tightest spaces, ensuring every operation meets the most demanding standards with confidence and ease.
3-G1/2; Engineered for robustness and reliability, this connection provides a steadfast foundation for system integrity. Built to endure, it offers unwavering durability under the most demanding conditions, ensuring your system remains resilient and dependable over time.;
4-G3/4; Featuring advanced connectivity, it provides superior control and enhanced system integration. This sophisticated design elevates your system's capabilities, bringing efficiency and seamless control together to enhance operational prowess.;
5, 55-G1; With superior flow rates, it is ideal for high-demand applications, ensuring consistent and reliable performance. 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, expertly designed to excel in challenging environments and handle demands effortlessly. This connection sets new industry benchmarks in power and performance, establishing its place as a leader in innovation and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: By unleashing operational potential with advanced components that redefine excellence, it enhances system performance, ensuring your operations remain at the forefront of industry standards and innovation.:
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 unwavering consistency.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing system efficiency. It ensures operations are fine-tuned for maximum effectiveness, optimizing your system's performance seamlessly and effortlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. This component pushes the limits of conventional performance, consistently delivering extraordinary results and reliability.;
(4) Pilot Oil Circuit Pressure Options - Discover a world of bespoke pressure control solutions, meticulously crafted to cater to diverse applications. Tailor-made to fit your exact specifications, these solutions deliver precision control that seamlessly aligns with your operational goals, ensuring outstanding performance every time.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our commitment to providing customized solutions guarantees that your specific operational needs are met with effortless precision. The customizable configurations are designed to ensure you achieve your desired outcomes with unparalleled convenience and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience elevated efficiency and control with our expertly designed valve, crafted to enhance your system's performance. Delivering unrivaled control and exceptional effectiveness, this component ensures your operations run smoothly and efficiently.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; These options offer precision tuning that allows for unmatched system efficiency, tailored to your specific needs.D/F - Introducing a groundbreaking pressure limiting valve for secondary pressure (F50), precision-engineered to maintain an exact pressure value. This engineering marvel enhances advanced safety measures, optimizing operational security and reliability to extraordinary 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 every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, specifically crafted for HLPSV, delivering unmatched pressure control across a wide range of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence: Representing a masterclass in design, each series is skillfully conceived to address every application with precision, ensuring you receive a product that seamlessly aligns with your specific requirements.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to expert design, thoughtfully crafted to cater to all applications, ensuring you receive a product that aligns perfectly with your unique needs.
(8)Thread size of directional spool valve ports A & B: Experience precision with diverse thread sizes, including 2-G, 3/8, 3-G1/2, 4-G3/4, 5-G1. Each option includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ensuring flawless and seamless integration into your system.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Ensure seamless integration with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless performance.
(9)Directional valve block inflow controller options: Explore 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 designed for precision and exceptional efficiency in operation.
(10) Valve core function symbols: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N. Each is meticulously crafted to meet specific functional requirements, ensuring your system functions with optimal efficiency.
(11) Output flow code for ports A & B: Attain peak efficiency with 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: Dive into our elite range to ensure unparalleled system safety: N, devoid of pressure limiting protection; C, synchronized pressure limitation for both actuator ports A & B; A---B---, distinct pressure limitation for ports A & B individually. Each choice is calculated in bars, promising steadfast protection.
(13) Function ON/OFF and pressure outlet options: Unleash precision control with our meticulously developed selections: N, devoid of function ON/OFF or pressure outlet; X, C-type pressure limitation; S/S1, AB-type pressure limitation; A, electrical ON/OFF for side A; B, electrical ON/OFF for side B. Each choice is designed for impeccable precision and reliability.
(14) Operation modes: Achieve unparalleled control with a spectrum of operation modes: A(1,2), manual operation with either elongated or compact handle; E, electric proportional control; EA(1,2), a fusion of electric proportional control with manual operation; D, electric switching value control; DA(1,2), a blend of electric switching value control with manual operation; M, manual friction positioning with an extended handle; H, pure hydraulic control, aligning pilot oil ports with ports A and B; F, pure hydraulic control with transverse pilot oil ports. Each mode is engineered for precision and adaptability.
(15) Ancillary block port sizes: Discover unmatched adaptability with our precisely engineered choices: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These selections promise seamless compatibility and flawless integration across diverse systems, ensuring efficiency and peak performance.
(16) End plate options: Engage with our expertly designed end plate solutions: E1, supports an external discharge of pilot oil and external oil return control port T. E2 enhances E1 with an additional port Y offering increased flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring maximum performance.
E4 replicates E1, yet innovatively incorporates an internal discharge of pilot oil alongside a sealed port T for heightened efficiency. E5 expands on E2 with internal discharge, guaranteeing top-tier performance. E6 mirrors the advanced design of E3, offering state-of-the-art discharge control for intricate system needs.
(17) Control voltage and anti-explosion cable options: Opt for our secure selection, including G12-12VDC, crafted for demanding environments prioritizing safety and reliability. Our offerings guarantee specialization and security.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 skyrocketed to a position of unparalleled prominence, emerging as a beacon of innovation and excellence within the hydraulic industry. As an esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), our company is recognized as a national high-tech enterprise, demonstrating our steadfast commitment to cutting-edge technology and superior quality. Our unmatched expertise spans comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we maintain our unwavering dedication to excellence, solidifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve: the pinnacle of advanced hydraulic system control technology. This meticulously 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 partnerships with leading domestic manufacturers, significantly accelerating the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain relentless in our pursuit to deliver extraordinary products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, consistently setting new standards 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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