Introducing the pinnacle of hydraulic innovation with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering masterpieces are the ultimate in hydraulic solutions, seamlessly blending pressure, flow, and directional control into a single, cohesive marvel. Experience unparalleled performance and reliability across a multitude of applications. Typically, these valves are meticulously constructed from three essential functional modules: connecting blocks, directional valves, and end plates. Each component is precision-engineered for flawless integration into high-end hydraulic systems, essential for top-tier engineering machinery. These valves expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the remarkable capability for stepless speed control. Moreover, they allow for the simultaneous operation of multiple actuators under varying loads, providing extraordinary performance and adaptability for any application.
Our HLPSL valves are masterfully engineered for constant displacement pump systems, ensuring unwavering and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering exceptional energy-saving performance, making them the ideal choice in situations where efficiency is of paramount importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated 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 keystone of reliability, ensuring consistent and steadfast performance for seamless operations in your system. Experience unparalleled dependability that keeps your operations as precise as clockwork.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, offering extraordinary flexibility to meet diverse operational demands. Its design allows effortless transitions and superior control, tailored to accommodate your evolving needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a trustworthy operational framework: Meticulously engineered for flawless performance, enhancing dependability in every application.:
2-G3/8; Designed for compact proficiency, ensuring streamlined operations. Meticulously engineered for precision, it guarantees optimal performance in even the tightest spaces.
3-G1/2; Built for robustness and reliability, laying a solid foundation for your system's integrity. Crafted to endure, delivering unwavering durability under demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Merging sophistication with efficiency to elevate your operational prowess.;
5, 55-G1; Designed for high flow rates, ideal for high-demand applications, ensuring consistent performance. Built for excellence, it handles high-pressure challenges with ease.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in demanding environments and tackle challenges effortlessly. Setting new benchmarks in power and efficiency.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights: Unleashing your operational potential with advanced components that set the standard for excellence.:
C,Standard Type - A reliable bedrock, meticulously crafted to fulfill essential operational needs. Provides unwavering support and reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing the overall efficiency of your system. Fine-tunes operations for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unparalleled performance and dependability, pushing the limits of conventional performance to achieve extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailored for your needs, providing precision control that perfectly aligns with your operational objectives.0 - Experience the power of choice with our Pressure Reducing Valve options: No valve for direct flow; 1 - A precision Pressure Reducing Valve (20 bar); 2 - Enhanced Pressure Reducing Valve (40 bar). We provide bespoke solutions meticulously crafted to align seamlessly with your unique operational demands. Our customizable configurations guarantee effortless attainment of your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and operational control: Purposefully designed to optimize performance, offering unrivaled control and exceptional effectiveness.C - Absence of a magnetic ball valve; F - Normally open magnetic ball valve, empowering the pump upon activation, unburdening when deactivated; D - Normally closed magnetic ball valve, unburdening the pump upon activation, pressurizing when inactive. We offer precision tuning designed for unmatched system efficiency and performance.D/F - Introducing a cutting-edge, expertly engineered Pressure Limiting Valve for secondary pressure (F50), exhibiting remarkable precision that sustains a rigorously defined pressure value. This engineering triumph is purpose-built to significantly bolster advanced safety protocols, 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 spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents superior adaptability, seamlessly fulfilling every hydraulic need. The /NF configuration embodies systems without a pressure limiting valve, masterfully crafted for HLPSV, providing unmatched pressure control across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies a masterclass in design, skillfully engineered to cater to every application, ensuring you select a product that flawlessly resonates with your specific needs.
(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, ingeniously engineered for perfect and seamless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive suite of options: 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 ensuring precision and exceptional efficiency.
(10) Valve core function symbols: Delve into a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct functional requirements.
(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 reliability.
(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 intricately measured in bar to ensure uncompromising system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Elevate your operational precision with our bespoke customization options, including: N, which offers no function ON/OFF or pressure outlet; X, providing C type pressure limitation; S/S1, featuring AB type pressure limitation; A, facilitating electrical ON/OFF on side A; B, enabling electrical ON/OFF on side B. Each option is meticulously crafted for unparalleled control and exceptional functionality.
(14) Operation modes: Experience an expansive array of operation modes designed for precision: A(1,2), manual operation with customizable long or short handle; E, offering sophisticated electric proportional control; EA(1,2), a hybrid of electric proportional control and manual operation for nuanced control; D, electric switching value control; DA(1,2), a seamless combination of electric switching control with manual inputs; M, manual friction positioning complemented by a long handle; H, exclusively hydraulic control, aligning pilot oil ports with oil ports A and B; F, pure hydraulic operation with transverse pilot oil ports, all engineered for comprehensive and exact control.
(15) Ancillary block port sizes: Embrace versatility with our ingeniously crafted port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each dimension is designed with meticulous attention to detail, ensuring flawless adaptability and superior integration across varied systems, delivering efficiency and enhanced performance.
(16) End plate options: Explore a spectrum of precisely engineered end plate solutions: E1, the standard choice, facilitates external discharge of pilot oil and includes an external oil return control port T. E2 enhances E1 by integrating port Y for added versatility; E3 introduces a refined 2-position, 3-way magnetic ball valve that escalates system pressure to the safety valve threshold upon activation, guaranteeing optimal performance.
E4, reminiscent of E1, ingeniously includes an internal discharge of pilot oil with a sealed port T for augmented efficiency. E5 mirrors the enhanced features of E2, incorporating an internal discharge to ensure superior performance. E6 echoes the sophisticated engineering of E3, offering state-of-the-art discharge control tailored to meet complex system requirements.
(17) Control voltage and anti-explosion cable options: Our collection offers a secure and tailored range of solutions, like G12-12VDC, crafted for safety and reliability in even the most challenging environments. Each option guarantees specialization and steadfast 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 illuminated the hydraulic industry with a legacy of innovation and unmatched excellence. As an illustrious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is not just a participant in the industry; it is a celebrated national high-tech enterprise, embodying our relentless dedication to technological advancements and superior quality standards. Our expertise is unrivaled, spanning the meticulous research, development, manufacturing, and sales of elite hydraulic components. Proudly recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unyielding in our commitment to excellence, cementing our standing as true leaders in our field.
Our signature creation, the advanced Safety Atex Valve, epitomizes the zenith of contemporary hydraulic system control. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, significantly enhancing operations in critical sectors such as emergency rescue, tunnel engineering, mining, and municipal services. We take immense pride in our strategic partnerships with top domestic manufacturers, playing a pivotal role in the localization of essential hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing them with our attitude, and ensuring loyalty through quality'-we are unwavering in delivering outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, continuously redefining standards of excellence in the international arena.
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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