Introducing our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the zenith of hydraulic engineering. These extraordinary creations integrate pressure, flow, and directional control into a seamless, unified system, ensuring unmatched performance and reliability across all applications. Comprising three core functional modules - connecting blocks, directional valves, and end plates - each valve is expertly crafted for integration into high-end hydraulic systems essential for premium engineering machinery. They expertly manage the direction and speed of hydraulic cylinders, motors, and other actuators, delivering remarkable precision and control. Key features include a compact design, exceptional energy efficiency, and stepless speed control capability. Additionally, they enable the simultaneous operation of multiple actuators under varying loads, offering unparalleled performance and adaptability for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring consistent and reliable performance in every setting. Conversely, the HLPSV valves are engineered for variable pump systems. Although HLPSV valves may display a marginally slower response time, they excel in delivering superior energy-saving performance, rendering them the optimal choice for efficiency-critical applications. With state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the leading 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 - This is the heart of dependability, delivering unwavering and consistent performance for seamless and efficient system operations.;
HLPSV: Variable Displacement Pump - An embodiment of versatility and adaptability, providing exceptional flexibility to meet an extensive range of operational needs.;
(2) Connection Block Ports P & R Specifications - Precision and trustworthiness combine to create a dependable operational backbone::
2-G3/8; Crafted for compact efficiency, designed to support smooth and seamless operational flows.
3-G1/2; Engineered for durability and reliability, providing a strong foundation for maintaining system integrity.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring steady and dependable performance.;
6-G1 1/4; Delivering superior performance, expertly crafted to excel in challenging environments and tackle tasks effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new levels of excellence::
C,Standard Type - A dependable and trusted foundation, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, resulting in outstanding performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for diverse needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to seamlessly meet your specific operational demands.
(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, empowers the pump when powered, unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, empowers it when unpowered;D/F - Experience cutting-edge protection with our precision-engineered pressure limiting valve for secondary pressure (F50). With a specific pressure value, this innovative feature ensures enhanced safety measures, elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock versatility and unparalleled precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This sophisticated component exemplifies adaptability, meeting all hydraulic demands. For optimized configurations, /NF signifies the absence of a pressure limiting valve, specifically designed for HLPSV, guaranteeing impeccable pressure management across a range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a remarkable creation, meticulously crafted to perfectly suit every application, ensuring you receive a product that flawlessly aligns with your unique requirements.
(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, precisely crafted for smooth and seamless system integration.
(9)Directional valve block inflow controller options: Select from an array: 1, without inflow controller; 2, standard inflow controller; 4, an 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 delivering exceptional precision and efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to satisfy specific functional demands.
(11) Output flow code for ports A & B: Achieve peak efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and unwavering 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 measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 crafted for precise control and functionality.
(14) Operation modes: Choose from diverse modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion 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, engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Experience a world of versatility with our adaptable options, including /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is meticulously crafted to ensure seamless adaptability and flawless integration into your system, meeting diverse needs with precision and ease.
(16) End plate options: Explore our bespoke end plate solutions, beginning with E1, a standard marvel featuring an external discharge of pilot oil and an external oil return control port T. For those seeking enhanced functionality, E2 builds on E1 with an additional port Y, providing extra versatility. Elevate your system further with E3, which includes a 2-position 3-way magnetic ball valve, expertly boosting your system's pressure to safety valve levels upon activation.
E4, akin to E1 in design, pushes boundaries by seamlessly incorporating an internal discharge of pilot oil with a sealed port T, enhancing operational security. E5 mirrors the innovative spirit of E2 with internal discharge capabilities, while E6 channels the advanced sophistication of E3, ensuring unparalleled discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Select from our array of secure and compatible solutions, such as G12-12VDC, specially designed to provide unparalleled safety and specialization for 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 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.
At the heart of our product offerings is the enhanced Safety Atex Valve, an embodiment of cutting-edge hydraulic system control. This flagship product, the load-sensitive proportional valve, represents the pinnacle of precision and reliability. Expertly engineered for construction machinery and heavy-duty equipment, it is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Our pride in fostering strategic collaborations with leading domestic manufacturers is immense, as it empowers us to localize core hydraulic components for high-end mechanical equipment. With our philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - guiding us, we are steadfast in our dedication to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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 period, we engage in meticulous preparations and uphold our rigorous quality control processes, ensuring each product reaches you in flawless condition. We are steadfast in our dedication to achieving your utmost satisfaction through impeccable delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are delighted to offer a remarkably low minimum order quantity, allowing you the opportunity to order as little as a single piece for sample verification. This unparalleled flexibility enables you to embark on your projects with the utmost ease and precision, seamlessly accommodating your unique requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Start by conveying your detailed specifications or intended applications to us. We will then craft a bespoke quote tailored just for you, either based on your specific needs or with our expert guidance. Once the drawings are finalized and a deposit made, we will formalize the order and commence production. We promise adherence to every specification with precision, ensuring a seamless and custom solution crafted precisely for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed with perfection for a seamless and customized solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely feasible. Please make sure to formally notify us before the start of production and confirm the design based on the sample we provide. This ensures your branding is represented with exceptional precision and excellence, perfectly capturing your unique identity.
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