Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations mark the apex of hydraulic innovation, masterfully merging pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unparalleled performance and reliability across diverse applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, indispensable for elite engineering machinery. They precisely dictate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Additionally, 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 across diverse settings. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering outstanding 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 combination 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; Compact yet highly efficient, it is crafted to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, this specification provides a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, this offers 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 cutting-edge, precision-engineered pressure limiting valve specifically tailored for secondary pressure (F50). This marvel of modern engineering is meticulously crafted with a precisely defined pressure value to elevate safety measures. Experience unparalleled operational security and reliability, ensuring your systems operate at peak performance with enhanced safety.
(6) Tool Adjustable Pressure Limiting Valve in Connection Block: Discover the zenith of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component is the embodiment of adaptability, perfectly catering to every hydraulic need with seamless integration. Opt for the /NF configuration for systems devoid of a pressure limiting valve, expertly designed for HLPSV, promising unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterstroke in design, attentively crafted to meet every application need, ensuring you obtain a product that is impeccably aligned with your unique requirements.
(8)Thread size for directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, superbly engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, specifically adapted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and unparalleled efficiency.
(10) Valve core function symbols: Explore a comprehensive assortment of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet specific functional requirements with precision.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available maximum output flows: 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 quantified in bar, ensuring steadfast 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 exacting control and functionality.
(14) Operation modes: Select from an array of operation modes: A(1,2), manual operation with the option of 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), a synthesis of electric switching value control and manual operation; M, manual friction positioning with a 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 control.
(15) Ancillary block port sizes: Discover unmatched versatility with our masterfully crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is expertly designed for seamless adaptability and flawless integration into a multitude of systems, ensuring your operations run smoother than ever before.
(16) End plate options: Uncover our range of meticulously designed end plate solutions: E1 is your go-to standard choice, providing an external discharge of pilot oil and an external oil return control port T. Elevate flexibility with E2, enhancing E1 with an extra port Y. Experience superior system pressure management with E3, featuring a 2-position 3-way magnetic ball valve that boosts pressure to safety valve standards upon activation.
E4 maintains the exceptional design of E1, innovatively featuring an internal discharge of pilot oil and a sealed port T. E5 carries the attributes of E2, but with internal discharge to optimize performance. E6 mirrors the advanced design of E3, offering enhanced discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and reliable range of solutions, including G12-12VDC, specifically engineered to prioritize safety and cater to the most demanding applications with specialization.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 established itself as a shining beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the acclaimed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise, embodying the pinnacle of technological advancement and superior quality. Our unmatched expertise in the precise research, development, manufacturing, and sales of premium hydraulic components has solidified our position as leaders in our domain. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to pushing the boundaries of technological progress and delivering nothing short of excellence.
Our flagship offering, the Enhanced Sections Valve System for Truck Crane Safety Technology, represents the apex of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile valve is indispensable in critical applications such as emergency rescue operations, tunnel engineering, mining activities, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in 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 resolute in our mission to deliver exceptional products, services, and solutions. Our ultimate goal is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence across the world.
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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