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 keystone of reliability, meticulously engineered to deliver unwavering performance. It ensures your system operates with unparalleled smoothness and efficiency.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, this pump exemplifies extraordinary flexibility to adapt to a diverse array of operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, crafting a dependable operational foundation::
2-G3/8; Designed for compact efficiency, it supports streamlined and seamless operational flows, enhancing overall system fluidity.
3-G1/2; Engineered for robustness and reliability, this connection ensures a solid and steadfast base for maintaining system integrity.;
4-G3/4; Featuring advanced connectivity, this port offers superior control and heightened system integration for optimal performance.;
5, 55-G1; Equipped with superior flow rates, this is ideal for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed for demanding environments, it tackles challenges with effortless precision.;
(3) Additional Components and Specifications - Elevating your system capabilities to unparalleled heights::
C,Standard Type - This reliable and trustworthy foundation is meticulously crafted to meet essential operational demands with precision.;
G,Throttle Valve (For HLPSL only) - This ensures precision control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizing flow management, it drives unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing custom solutions to seamlessly fulfill your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with precision: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 cutting-edge, meticulously precision-engineered pressure limiting valve crafted for secondary pressure management (F50). This component boasts a specifically calibrated pressure value, representing a pinnacle in engineering. It is purposefully designed to ensure robust and advanced safety measures, elevating operational security and reliability to an unprecedented level.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, seamlessly fulfilling every hydraulic requirement. Opt for the /NF configuration to experience systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Hallmark of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece in design, expertly tailored to meet every application need, assuring you receive a product that perfectly aligns with your exact specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array: 1, without inflow controller; 2, standard inflow controller; 4, 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 offering unparalleled precision and exceptional efficiency.
(10) Valve core function symbols: Explore a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows of: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and reliability.
(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 measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your operations 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 engineered for precise control and functionality.
(14) Operation modes: Choose from a diverse range of 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: Discover the versatility of our expertly crafted options, offering seamless adaptability and perfect integration into diverse systems: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is precision-engineered to meet your needs with unmatched flexibility and precision.
(16) End plate options: Dive into our range of thoughtfully designed end plate solutions. E1 is your standard choice, providing an external discharge for pilot oil and an external oil return control port T. E2 builds on the features of E1, adding an extra port Y for increased versatility. E3 stands out with a 2-position 3-way magnetic ball valve, enhancing system pressure to match safety valve standards when engaged.
E4, modeled after the E1, cleverly incorporates an internal discharge of pilot oil with a sealed port T. E5 parallels the attributes of E2, offering internal discharge for superior performance. E6 embodies the refined design of E3, delivering advanced discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure, compatible range like G12-12VDC, designed for safety in challenging environments and specialized applications. Our solutions prioritize protection and reliability in every scenario.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has shone as a luminary of innovation and distinction within the hydraulic industry. As a prestigious subsidiary under the banner of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our unmatched expertise in the detailed research, development, manufacturing, and sales of high-quality hydraulic components sets us apart. We have been honored as a national 'specialized, refined, and innovative' small giant enterprise, a testament to our unwavering commitment to technological advancement and premium quality. This steadfast dedication firmly establishes us as leaders in our field.
Our flagship product, the enhanced Safety Atex Valve, embodies the pinnacle of cutting-edge hydraulic system control. Expertly designed for the rigors of construction machinery and heavy-duty equipment, this adaptable component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining activities, and municipal service vehicles. We take great pride in our strategic partnerships with numerous leading domestic manufacturers, significantly advancing the localization of core 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 remain steadfast in our dedication to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally esteemed supplier of top-tier hydraulic components, 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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