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 cornerstone of unyielding reliability, offering robust and consistent performance that ensures seamless and efficient operations within your hydraulic system.;
HLPSV: Variable Displacement Pump - A model of extraordinary versatility and adaptability, delivering exceptional flexibility to accommodate and satisfy a diverse range of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets unwavering reliability, creating a dependable and steadfast operational framework::
2-G3/8; Crafted for compact precision, designed to support streamlined and seamless operational flow mechanics.
3-G1/2; Engineered for strength and reliability, providing a solid foundation for maintaining your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced integration across the system.;
5, 55-G1; Designed for superior flow rates, ideal for high-demand scenarios, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unparalleled performance, expertly crafted to excel in demanding environments with ease and efficiency.;
(3) Additional Components and Specifications - Elevating system capabilities to remarkable levels of performance and innovation::
C,Standard Type - A dependable and trusted foundation, meticulously designed to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Assures precision control, significantly enhancing the overall efficiency of your hydraulic system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to drive unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering custom pressure control solutions tailored for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing meticulously tailored solutions to seamlessly address your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and operational control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Introducing our cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50); a true marvel in engineering that sets new standards for safety and reliability. This valve boasts a meticulously defined pressure value, ensuring that every advanced safety measure is significantly enhanced. Elevate your operational security and dependability to unparalleled heights with this exceptional innovation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace unmatched versatility and precision with adjustable pressure settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, fulfilling every hydraulic need with effortless grace. Experience the /NF configuration for systems crafted without a pressure limiting valve, specifically tailored for HLPSV, delivering exceptional pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design excellence, expertly crafted to satisfy every application, ensuring you acquire a product perfectly aligned with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including the versatile 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 spectrum of refined choices: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and remarkable efficiency.
(10) Valve core function symbols: Discover a diverse array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak performance with maximum output flows ranging from 3 to 210 L/min, each engineered for supreme efficiency and reliability.
(12) Secondary pressure limitation options: Choose 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 such as: 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 designed for precise control and functionality.
(14) Operation modes: Select from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a sophisticated 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 a spectrum of tailored versatility with our precisely engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection ensures seamless adaptability and flawless integration into a myriad of systems, enhancing your operational efficiency with every installation.
(16) End plate options: Delve into our meticulously crafted end plate solutions: E1 is your standard go-to, featuring an external discharge of pilot oil and an external oil return control port T; E2, much like E1, is augmented with an additional port Y to offer unparalleled flexibility; E3, a standout with its 2-position 3-way magnetic ball valve, efficiently boosts system pressure to safety valve levels upon activation.
E4, echoing the design principles of E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T; E5 shares similarities with E2, boasting internal discharge for peak performance; E6, inspired by the advanced design of E3, guarantees superior discharge control across all its variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and precisely compatible range including G12-12VDC, engineered for safety and designed to meet the specialized needs of the most rigorous 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 emerged as a beacon of innovation and excellence within the hydraulic industry. Proudly operating as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we uphold our identity as a renowned national high-tech enterprise. Our unparalleled expertise lies in the precise research, development, manufacturing, and sales of top-tier hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we reinforce our steadfast commitment to technological advancement and superior quality. This relentless dedication undeniably positions us as frontrunners in our field, leading the charge in pioneering hydraulic solutions.
Our flagship product, the Enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control. Ingeniously crafted for construction machinery and heavy-duty equipment, this essential component is indispensable for critical operations such as emergency rescue missions, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, greatly contributing to 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 are steadfast in our commitment to delivering exceptional products, unmatched services, and innovative solutions. Our mission is to ascend 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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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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