Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a monumental leap in hydraulic technology. These avant-garde engineering marvels epitomize the apex of innovation, masterfully combining pressure, flow, and directional control into one cohesive, seamless masterpiece. This ensures unmatched performance and steadfast reliability across all applications. These valves are typically an assembly of three indispensable functional modules - connecting blocks, directional valves, and end plates - each meticulously engineered for seamless integration into sophisticated hydraulic systems, which are essential for elite engineering machinery. They offer precise governance over the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unparalleled control and precision. Key features include a compact design, remarkable energy efficiency, and the capability for stepless speed adjustment. Furthermore, these valves empower multiple actuators to operate concurrently under differing loads, delivering exceptional performance and versatility in any application.
The HLPSL valves are expertly designed for constant displacement pump systems, guaranteeing consistent and reliable operation in all environments. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. Even though HLPSV valves might demonstrate a marginally slower response time, they are unrivaled in providing outstanding energy-saving performance, making them the quintessential choice for scenarios where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the ultimate solution for advanced hydraulic control needs, offering an impeccable fusion 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 cornerstone of reliability and efficiency, ensuring your system operates with unwavering consistency and smoothness.;
HLPSV: Variable Displacement Pump - Epitomizing adaptability with its exceptional flexibility, this pump seamlessly accommodates a vast array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with dependability, crafting a secure and reliable operational framework::
2-G3/8; Expertly crafted for compact efficiency, designed to facilitate streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, forming a solid foundation for maintaining system integrity.;
4-G3/4; Featuring state-of-the-art connectivity, offering superior control and enhanced integration within your system.;
5, 55-G1; Designed for optimal flow rates, perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivers outstanding performance, expertly crafted to thrive in challenging environments and overcome any obstacles with ease.;
(3) Additional Components and Specifications - Taking system capabilities to new heights of innovation and performance::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to meet essential operational demands with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized 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 bespoke solutions to seamlessly fulfill your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control to new standards: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 - Experience the pinnacle of innovative engineering with our state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). Equipped with a specifically defined pressure value, it represents a marvel of engineering dedicated to ensuring that advanced safety measures are not just met but thoroughly enhanced. This valve optimizes operational security and reliability like never before, making it an indispensable component in any sophisticated hydraulic system.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unmatched versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement with ease. Experience systems without a pressure limiting valve through our /NF configuration, meticulously crafted for HLPSV, delivering unparalleled pressure control across varied applications, ensuring your hydraulic systems perform at their finest.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, expertly conceived to meet the diverse needs of every application. Our products ensure that you receive a perfect alignment with your specific requirements, guaranteeing optimal performance and satisfaction.
(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, each piece masterfully engineered for seamless and flawless integration, ensuring your hydraulic systems function with utmost precision.
(9)Directional valve block inflow controller options: Tailor your system with a selection from our expertly designed options: 1, a system without inflow controller; 2, standard inflow controller for balanced flow management; 4, an advanced 3-way flow controller for both inlet and outlet, specially tailored for the N 3/3-way valve; 5, enhanced inflow controller for heightened control; 8, pre-selectable options, each offering precision and exceptional efficiency for complex flow management needs.
(10) Valve core function symbols: Explore our extensive collection of core functions: L, M, F, H, J, B, R, O, N. Each one is meticulously designed to fulfill specific functional requisites, ensuring your system performs with unparalleled reliability and functionality.
(11) Output flow code for ports A & B: Attain peak operational efficiency with our available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted to deliver supreme performance and dependability in any demanding hydraulic environment.
(12) Secondary pressure limitation options: Choose from our suite of options: N, for systems without pressure limiting protection; C, for concurrent pressure limitation of actuator ports A & B; A---B---, offering independent pressure limitation for ports A & B, all meticulously measured in bar. Each option is designed to ensure uncompromising system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options such as: N, without function ON/OFF or pressure outlet; X, for C type pressure limitation; S/S1, for AB type pressure limitation; A, featuring electrical ON/OFF on side A; B, with electrical ON/OFF on side B. Each is engineered for precise control and remarkable functionality, enhancing system performance.
(14) Operation modes: Select from our diverse array of operation modes: A(1,2), offering manual operation with optional long or short handle; E, for electric proportional control; EA(1,2), blending electric proportional control with manual operation; D, with electric switching value control; DA(1,2), combining electric switching value control with manual operation; M, featuring manual friction positioning with long handle; H, for pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, for pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for comprehensive and precise control, ensuring your system operates with unparalleled precision and efficiency.
(15) Ancillary block port sizes: Unlock a world of versatility with our ingeniously crafted options designed for seamless adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice embodies precision engineering, ensuring flawless integration and superior performance across diverse hydraulic systems.
(16) End plate options: Discover our premium range of meticulously engineered end plate solutions. E1 is your standard choice, providing an external discharge of pilot oil and an external oil return control port T. E2 enhances E1 with an additional port Y for expanded flexibility. E3 stands out with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior performance and safety.
E4, similar to E1, integrates an internal discharge of pilot oil with a sealed port T for improved efficiency. E5 mirrors E2's capabilities but with an internal discharge, optimizing performance. E6 embodies the advanced design of E3, offering sophisticated discharge control for every system variant, ensuring exceptional hydraulic management.
(17) Control voltage and anti-explosion cable options: Choose from our secure and reliable range tailored to meet the needs of the most demanding applications. Options include G12-12VDC, specially crafted for safety and specialization, ensuring robust and secure operation.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 shining beacon of innovation and excellence within the dynamic hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components sets us apart. Being designated as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication undoubtedly positions us as trailblazers in our field.
Our flagship product, the Enhanced Sections Valve System for Load Sensitive Valve Applications, embodies the pinnacle of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships 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 are steadfast in our commitment to providing exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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.
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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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