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 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 foundation of unyielding reliability, ensuring all your systems operate smoothly with consistent performance.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, offering remarkable flexibility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision marries reliability, crafting a dependable operational structure::
2-G3/8; Innovatively designed for compact efficiency, facilitating smooth and streamlined operational flows.
3-G1/2; Built for strength and reliability, forming a strong foundation for your system's dependability.;
4-G3/4; Incorporating cutting-edge connectivity, providing superior control and improved system integration.;
5, 55-G1; Designed with exceptional flow rates, perfect for high-demand applications, ensuring steady and reliable performance.;
6-G1 1/4; Offering unparalleled performance, specially crafted to excel in challenging environments with ease.;
(3) Additional Components and Specifications - Taking system capabilities to unprecedented levels of excellence::
C,Standard Type - A reliable and trusted base, carefully engineered to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensuring precise control, boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering custom pressure control solutions for varied 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 requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting 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 - Featuring a precision-engineered pressure limiting valve tailored for secondary pressure (F50) with a definitive pressure setting, this state-of-the-art advantage ensures superior safety protocols are established to amplify operational security and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings feasible at 63, 120, 210, 280, 315, 350, and 400 bar levels. This element is a hallmark of adaptability, fulfilling all hydraulic necessities. For seamless configurations, /NF denotes the absence of a pressure limiting valve, meticulously optimized for HLPSV, ensuring impeccable pressure management across a myriad of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a work of art, skillfully crafted to suit every application, guaranteeing you receive 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; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an extensive range: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, advanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously tailored to satisfy specific functional requirements.
(11) Output flow code for ports A & B: Attain peak efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for outstanding performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all quantified in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor with choices 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 designed for precise control and functionality.
(14) Operation modes: Choose from diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from our expertly crafted adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is engineered with precision for seamless adaptability and integration into diverse systems, ensuring your operations run with unparalleled efficiency and reliability.
(16) End plate options: Elevate your system with our meticulously designed end plate solutions. E1, the standard choice, offers an external discharge of pilot oil and an external oil return control port T. E2 enhances E1's design with an additional port Y, while E3 is outfitted with a 2-position 3-way magnetic ball valve, enabling your system to reach safety valve pressures when powered, for enhanced operational security.
E4 mirrors E1 in design yet incorporates an innovative internal discharge of pilot oil with a sealed port T for a streamlined configuration. E5 follows E2's external discharge setup but also includes internal discharge capabilities. E6 reflects E3's sophistication, ensuring each variant delivers advanced discharge control with ease.
(17) Control voltage and anti-explosion cable options: Select from a variety of secure and compatible options, such as the G12-12VDC, specifically tailored for safety and performance in demanding environments, ensuring your equipment operates with maximum reliability and protection.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the Safety Atex Valve, shines as a load-sensitive proportional valve, epitomizing the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and formidable heavy-duty equipment, this versatile component is essential for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. With immense pride, we engage in strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our mission to deliver exceptional products, services, and solutions. Our aspiration is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Inquiry:1. What about the lead time?
Response: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.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: 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.
Inquiry:3. How to proceed with an order for LED lights?
Response: 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.
Inquiry:4. Is it OK to print my logo on the product?
Response: 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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