Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These state-of-the-art engineering creations epitomize hydraulic innovation, seamlessly blending pressure, flow, and directional control into a seamless, elegant masterpiece. This integration guarantees unmatched performance and reliability across every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for assimilation into high-end hydraulic systems, crucial for premier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Standout features include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate simultaneously under varying loads, delivering unsurpassed performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast reliability and impeccable 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 outstanding energy-saving performance, making them the ultimate choice where efficiency is of the essence. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering the perfect marriage 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 delivers consistent and steadfast performance, ensuring smooth and efficient operations throughout your entire hydraulic system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. This pump adjusts to varying demands with ease, optimizing performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging a trustworthy operational framework that stands the test of time::
2-G3/8; Crafted for compact proficiency, this port is designed to support streamlined and seamless operational flows, enhancing efficiency and effectiveness.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity, ensuring stability across operations.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration, elevating your hydraulic operations.;
5, 55-G1; Equipped with superior flow rates, this port is ideal for high-demand applications, ensuring consistent and reliable performance every time.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments, tackling challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights with innovative features::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet the essential operational requirements of your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing overall efficiency and optimizing the performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability in hydraulic operations.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored to diverse applications, ensuring efficiency: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 with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with innovative valve technology: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; each option offering unique benefits for system optimization.D/F - Behold the pinnacle of innovation with our cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This marvel of engineering is calibrated with a specifically defined pressure value, designed to elevate safety measures to unprecedented heights, ensuring operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Reach the zenith of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. With the /NF configuration, experience systems expertly crafted for HLPSV, providing unmatched pressure control across diverse applications.
(7) Product Series Classification - A Testament to Supreme Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, meticulously tailored to meet every application, ensuring a product perfectly matched to 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, crafted for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, optimized 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.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 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: Opt 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: 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: Select from a spectrum 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, 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 meticulously designed for seamless adaptability, ensuring flawless integration into a wide array of systems, promising efficiency and reliability.
(16) End plate options: Delve into our meticulously engineered end plate solutions: E1, your standard choice, offers external discharge of pilot oil and an external oil return control port T; E2, similar to E1, is enhanced with an additional port Y for increased flexibility; E3, featuring a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels when activated, ensuring optimal performance.
E4, designed akin to E1, innovatively integrates internal discharge of pilot oil with a sealed port T; E5 mirrors the attributes of E2, with internal discharge for enhanced performance; E6 reflects the sophisticated design of E3, offering advanced discharge control, ensuring premium performance in every variant.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible selection, including G12-12VDC, designed for utmost safety and specialization in the most demanding applications, offering peace of mind in challenging environments.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 consistently illuminated the path of innovation and excellence within the hydraulic industry. As a prestigious subsidiary under the renowned China Baoan Group (stock code: 000009), we proudly maintain our stature as a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components highlights our exceptional capabilities. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate an unwavering commitment to technological advancement and superior quality. This relentless pursuit firmly establishes us as the vanguard in our field, continually leading the charge toward groundbreaking hydraulic solutions.
Our flagship product, the enhanced Safety Atex Valve, exemplifies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this indispensable component plays a critical role in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly engage in strategic partnerships with numerous leading domestic manufacturers, greatly 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 are steadfast in our mission to deliver outstanding products, services, and solutions. Our ultimate ambition is to emerge as a globally trusted supplier of premier hydraulic components, continually 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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