Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted 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 encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, 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. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency 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 fundamental pillar of reliability, this pump delivers unwavering and consistent performance, ensuring your system operates smoothly and efficiently.;
HLPSV: Variable Displacement Pump - A quintessential example of adaptability and versatility, offering unparalleled flexibility to meet a diverse array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, establishing a robust operational framework::
2-G3/8; Expertly crafted for compact efficiency, designed to facilitate streamlined and seamless operational flows.
3-G1/2; Built for strength and dependability, providing a solid foundation for your system's integrity.;
4-G3/4; Features advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; Offers exceptional flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Provides unmatched performance, meticulously designed to excel in demanding conditions and tackle challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary heights::
C,Standard Type - A trustworthy and reliable foundation, meticulously designed to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Augmenting 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;D/F - Introducing our state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50), a true marvel of contemporary engineering. This exceptional component is outfitted with a meticulously defined pressure value, ensuring that advanced safety measures are elevated to new heights. Experience unparalleled operational security and reliability like never before with this innovative design.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of adaptability and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes versatility, seamlessly meeting every hydraulic requirement. Discover the /NF configuration for systems without a pressure limiting valve, exquisitely tailored for HLPSV, delivering unmatched 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, meticulously crafted to suit every application. Ensure you receive a product that perfectly aligns with your distinct requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Discover ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, no 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 designed to fulfill specific functional requisites with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available at: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and dependability.
(12) Secondary pressure limitation options: Make your choice 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 for uncompromising system safety.
(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 engineered for precise control and functionality.
(14) Operation modes: Choose from a variety of distinguished operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the ultimate in flexibility with our expertly crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each engineered to ensure seamless adaptability and perfect integration with a wide range of systems.
(16) End plate options: Delve into our precision-engineered end plate solutions: E1 sets the standard with an external discharge of pilot oil and an external oil return control port T. E2 builds on E1 by adding an extra port Y for enhanced versatility. E3 introduces a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated.
E4, paralleling E1, innovatively includes an internal discharge of pilot oil with a sealed port T. E5 echoes the attributes of E2, featuring internal discharge for peak performance. E6 mirrors the sophisticated design of E3, ensuring precise discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our robust and highly compatible range, including G12-12VDC, which is meticulously designed for safety and specialization in the most rigorous conditions.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 emerged as a radiant beacon of innovation and excellence within the dynamic hydraulic industry. As a prestigious subsidiary under the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. We are honored to be designated a national 'specialized, refined, and innovative' small giant enterprise, reaffirming our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as trailblazers and leaders in our domain, consistently setting new benchmarks for excellence.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, 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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