Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These remarkable engineering marvels epitomize the apex of hydraulic innovation, seamlessly merging pressure, flow, and directional control into a unified, harmonious masterpiece, ensuring unmatched performance and reliability across all applications. Typically comprising three fundamental modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for integration into elite hydraulic systems, indispensable for premium engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key features include a compact structure, superior energy efficiency, and the ability for stepless speed control. Additionally, they enable multiple actuators to operate concurrently under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Meanwhile, the HLPSV valves are masterfully designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they offer 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 distinguish themselves as the premier solution for advanced hydraulic control needs, providing 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.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(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.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(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.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(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.
(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;D/F - Introducing our state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50)! This marvel of engineering is equipped with a meticulously defined pressure value, designed to ensure that advanced safety measures are enhanced to their fullest potential. Experience optimized operational security and unparalleled reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Elevate your hydraulic systems with the pinnacle of versatility and precision. This adjustable component offers settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, symbolizing unmatched adaptability. Seamlessly meeting every hydraulic requirement, the /NF configuration provides systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unparalleled pressure control across a multitude of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is ingeniously crafted to be a masterclass in design, expertly conceived to address every application. These series ensure that you receive a product perfectly aligned with your specific needs and 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, all masterfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Explore our extensive collection of core functions, offering: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requisites with utmost precision.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is crafted to deliver supreme performance and unmatched dependability.
(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 options are measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your experience with a range of options: 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 enhanced functionality.
(14) Operation modes: Select from a diverse array of 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), 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, each crafted for comprehensive and precise system control.
(15) Ancillary block port sizes: Unlock unparalleled versatility with our expertly engineered selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These meticulously crafted options ensure seamless adaptability and flawless integration into a wide range of systems, making them an essential choice for diverse operational needs.
(16) End plate options: Discover our meticulously designed end plate solutions that cater to your specific requirements: E1 serves as your standard option, providing an external discharge of pilot oil and an external oil return control port T; E2 offers a similar foundation as E1 but is enhanced with an additional port Y for increased adaptability; E3 distinguishes itself with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior operational safety and efficiency.
E4, crafted similarly to E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T for a streamlined performance; E5 replicates the excellent features of E2, offering internal discharge for heightened performance; E6 embodies the sophisticated design of E3, delivering advanced discharge control across all its variants for optimal system functionality.
(17) Control voltage and anti-explosion cable options: Choose from our secure and reliable range of options, including G12-12VDC, which is engineered for safety and tailored for specialization in the most demanding environments, ensuring that your system performs with precision and confidence.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 stood as a pillar of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is a testament to our superior capabilities. With unrivaled expertise in the precise research, development, manufacturing, and sales of top-tier hydraulic components, we embody the pinnacle of industry standards. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we exemplify unwavering dedication to cutting-edge technological advancements and exceptional quality. This steadfast commitment distinctly positions us at the forefront of our industry.
The pride of our product lineup, the advanced Safety Atex Valve, represents the pinnacle of sophisticated hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this indispensable component is essential for critical applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with numerous leading domestic manufacturers, playing a substantial role in the localization of essential hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are committed to delivering exceptional products, services, and solutions. Our mission is to ascend 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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