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.
Expertly crafted, the HLPSL valves are perfectly tailored for constant displacement pump systems, promising steadfast and reliable operation in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems, showcasing a slightly slower response time yet excelling in exceptional energy-saving performance. This makes them the ultimate choice for applications where efficiency is paramount. With cutting-edge engineering and an 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, this pump ensures a smooth and efficient operation, delivering consistent and steadfast performance that you can always count on.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and innovation. This pump adapts to your diverse needs, offering unmatched versatility to meet a wide array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision intersects with reliability, providing a trustworthy operational framework::
2-G3/8; Expertly crafted for compact proficiency, it supports streamlined operations, ensuring seamless and efficient flows.
3-G1/2; Engineered to deliver robustness and reliability, this port serves as a solid foundation for maintaining your system's structural integrity.;
4-G3/4; Designed with advanced connectivity features, offering superior control and enhanced system integration.;
5, 55-G1; With superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Built for unmatched performance, this port excels in challenging environments, effortlessly overcoming any obstacle.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A rock-solid foundation, meticulously crafted to meet all essential operational requirements with unwavering reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Expertly manages flow, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Expertly meeting your specific operational needs with tailored solutions.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing both 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 a marvel in engineering: our state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This cutting-edge component boasts a specifically defined pressure value, meticulously crafted to elevate safety measures to unprecedented levels. Experience optimized operational security and reliability, setting new standards in the industry.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Step into the future of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration, skillfully designed for HLPSV, offers systems without a pressure limiting valve, delivering unrivaled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, meticulously tailored to suit every application, ensuring 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; Including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, exquisitely engineered for seamless and impeccable integration.
(9)Directional valve block inflow controller options: Choose from an impressive array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfectly tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering unparalleled precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and reliability.
(12) Secondary pressure limitation options: Select 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 measured in bar, ensuring absolute 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 precisely engineered for optimal control and functionality.
(14) Operation modes: Select from a wide variety of 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, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is precisely engineered for seamless adaptability and flawless integration into a wide array of systems.
(16) End plate options: Embark on a journey of precision with our meticulously engineered end plate solutions: E1, your quintessential choice, offers an external discharge of pilot oil complemented by an external oil return control port T; E2, akin to E1, is further enhanced with an additional port Y for superior flexibility; E3, boasts a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve benchmarks when activated.
E4, ingeniously designed similar to E1, incorporates an internal discharge of pilot oil with a sealed port T; E5 mirrors the brilliance of E2, featuring internal discharge for peak performance; E6 echoes the sophistication of E3, ensuring advanced discharge control across every configuration.
(17) Control voltage and anti-explosion cable options: Choose from our secure and harmonized range, including G12-12VDC, designed for safety and exceptional performance in 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 been a beacon of innovation and excellence within the competitive 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 unmatched expertise in meticulous research, development, manufacturing, and sales of premium hydraulic components positions us at the forefront of this dynamic field. We have been designated as a national 'specialized, refined, and innovative' small giant enterprise, a testament to our unwavering dedication to technological advancement and superior quality. This relentless commitment clearly establishes us as leaders in our domain, and our pioneering efforts continue to set new standards in the industry.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control, skillfully crafted for superior performance in construction machinery and heavy-duty equipment. This versatile component is indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are deeply proud of our strategic collaborations with leading domestic manufacturers, significantly contributing to 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 steadfastly commit to delivering exceptional products, unparalleled services, and innovative solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks of excellence across the globe.
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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