Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations embody the pinnacle of hydraulic innovation, masterfully integrating pressure, flow, and directional control into a singular, harmonious masterpiece. Experience unparalleled performance and unwavering reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Meanwhile, the HLPSV valves are masterfully engineered for variable pump systems, offering exceptional energy-saving performance despite a slightly slower response time. The HLPSV valves excel in efficiency, making them the ultimate choice for applications where energy conservation is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, 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, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. This component stands as a testament to unwavering dependability, seamlessly enhancing your workflow.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. Embrace this marvel of engineering to achieve unparalleled operational excellence and customization.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. Experience efficiency at its finest with a design tailored for optimal function.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Trust in its enduring strength to uphold your most demanding requirements.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Elevate system synergy with this pinnacle of modern engineering.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Maximize your operational potential with unparalleled fluid dynamics.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Conquer the most challenging tasks with unwavering prowess.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Laying the groundwork for success, it is the cornerstone of your system's excellence.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Perfect the art of control with this state-of-the-art component, empowering precision.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Navigate the flow with confidence and authority.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands. Customize your system pressure with precision, ensuring optimal performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: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; Master the dynamics of system unloading with precision control options tailored for your operational needs.D/F - Behold the state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50), a marvel of modern engineering. This cutting-edge device, meticulously designed with a specifically defined pressure value, ensures that advanced safety measures are not just met, but thoroughly enhanced. Its sophisticated design optimizes operational security and reliability, setting a new standard for excellence and innovation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with customizable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, effortlessly meeting every hydraulic requirement. With the /NF configuration, indulge in systems without a pressure limiting valve, meticulously engineered for HLPSV, delivering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, expertly conceived to meet every application's demands. This ensures you receive a product perfectly aligned with your specific needs, embodying a synthesis of innovation and functionality.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; This includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, each masterfully engineered for seamless and flawless integration into your systems.
(9)Directional valve block inflow controller options: Choose from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored exquisitely 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 fulfill specific functional requisites with unparalleled precision.
(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 engineered for supreme performance and dependability, ensuring unmatched operational standards.
(12) Secondary pressure limitation options: Select 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 measured in bar, ensuring uncompromising system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options like: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each intricately engineered for precise control and enhanced functionality.
(14) Operation modes: Explore a variety of sophisticated operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combined system of electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive and meticulous control.
(15) Ancillary block port sizes: Discover unmatched versatility with our precisely engineered options that cater to your every need: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously crafted to ensure seamless adaptability and flawless integration into a vast array of systems, making your operations smoother than ever.
(16) End plate options: Dive into our array of meticulously designed end plate solutions: E1, the standard choice, provides an external discharge of pilot oil along with an external oil return control port T; E2, akin to E1, is enhanced with an additional port Y for superior flexibility; E3, introduces a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, offering you the utmost security and peace of mind.
E4 is ingeniously designed similar to E1, yet innovatively integrates an internal discharge of pilot oil with a sealed port T for seamless operation; E5 mirrors E2, boasting internal discharge for peak performance; E6 mirrors the sophisticated design of E3, ensuring advanced discharge control, providing reliability and innovation across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our range of secure, reliable, and expertly crafted options, including G12-12VDC that are specifically designed to provide safety and specialization for even the most demanding applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has radiated as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly carry the mantle of a national high-tech enterprise. Our unmatched prowess in the precise research, development, manufacturing, and sales of top-tier hydraulic components is what sets us apart. Being honored as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to advancing technology and achieving superior quality. This relentless dedication securely positions us as frontrunners in our field.
Our flagship creation, the Enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this versatile component is essential for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with numerous leading domestic manufacturers, substantially contributing to the localization of core hydraulic components for high-end mechanical equipment. Anchored in our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our commitment to providing exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, setting unparalleled standards of excellence worldwide.
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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