Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome of hydraulic innovation, combining pressure, flow, and directional control into one fluid, harmonious design. This ensures unmatched performance and reliability for any application. Comprising three essential functional modules - connecting blocks, directional valves, and end plates - these valves are expertly crafted for high-end hydraulic systems, indispensable for premium engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering exceptional precision and control. Key features include a compact design, outstanding energy efficiency, and the capability for stepless speed control. Additionally, they enable multiple actuators to operate simultaneously under varying loads, providing unmatched performance and versatility for diverse applications.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering and consistent operation in any environment. Conversely, the HLPSV valves are expertly engineered for variable pump systems. While HLPSV valves may have a slightly slower response time, they excel in delivering superior energy-saving performance, making them the ideal choice for applications where efficiency is crucial. With their advanced engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an optimal blend of precision, reliability, and energy 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 unwavering reliability, engineered to deliver seamless and consistent performance for the smooth operation of your entire hydraulic system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, offering exceptional flexibility to cater to an extensive range of operational needs with ease and precision.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with dependability, creating a robust operational foundation::
2-G3/8; Expertly engineered for compact efficiency, designed to facilitate seamless and streamlined operational processes.
3-G1/2; Built for durability and reliability, providing a steadfast foundation for your hydraulic system's integrity.;
4-G3/4; Boasting advanced connectivity, offering enhanced control and superior system integration.;
5, 55-G1; Featuring optimal flow rates, perfect for high-demand applications, ensuring consistent and reliable performance every time.;
6-G1 1/4; Providing unparalleled performance, expertly crafted to thrive in demanding environments and effortlessly tackle challenges.;
(3) Additional Components and Specifications - Taking system capabilities to unparalleled heights::
C,Standard Type - A dependable and trusted foundation, diligently designed to meet core operational requirements with excellence.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly enhancing the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unrivaled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to perfectly meet your specific operational requirements with ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing it when unpowered;D/F - Experience unmatched safety and reliability with our precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50) with a predefined pressure value. This state-of-the-art feature guarantees enhanced operational security, delivering peace of mind through superior safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and unparalleled precision with customizable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the embodiment of adaptability, precisely meeting all hydraulic demands. For simplified setups, /NF denotes no pressure limiting valve, specifically engineered for HLPSV, ensuring impeccable pressure management for a diverse range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an exemplar of engineering precision, expertly crafted to cater to diverse applications, ensuring you receive a product that seamlessly aligns with your unique specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an extensive array: 1, without inflow controller; 2, standard inflow controller; 4, an 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 providing precision and remarkable efficiency.
(10) Valve core function symbols: Explore a broad spectrum of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to satisfy specific functional requirements.
(11) Output flow code for ports A & B: Ensure peak efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for exceptional performance 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 exact control and functionality.
(14) Operation modes: Choose from a wide array 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Experience the versatility of our expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These ports are meticulously designed to offer seamless adaptability and integration, ensuring they meet your hydraulic system's unique needs with precision and ease.
(16) End plate options: Explore our range of finely tailored end plate solutions designed to elevate your system's performance: E1, the standard choice, offers an external discharge of pilot oil and an external oil return control port T; E2, a close relative of E1, is enhanced with an additional port Y for added utility; E3, features a 2-position 3-way magnetic ball valve, significantly boosting your system's safety by elevating pressure to safety valve levels when powered.
E4, crafted with the same meticulous attention as E1, innovatively integrates an internal discharge of pilot oil with a sealed port T; E5 mirrors the design of E2, also featuring internal discharge. E6 encapsulates the sophistication of E3, providing each variant with advanced discharge control for optimal performance.
(17) Control voltage and anti-explosion cable options: Select from a diverse range of secure and compatible voltage solutions such as G12-12VDC. These options are tailored to provide safety and specialization in even the most demanding applications, ensuring your operations are protected and efficient.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of hydraulic system control with its load-sensitive proportional valve. Expertly engineered for the demanding realms of construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 commitment to delivering exceptional products, services, and 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.
Question:3. How to proceed with an order for LED lights?
Answer: Start by sharing your comprehensive requirements or specific applications with us. We will create a customized quote that aligns with your necessities or capitalizes on our expert recommendations. After finalizing the drawings and placing a deposit, the order will be formalized, and production will commence. We adhere strictly to every specification, ensuring a flawless and bespoke solution that perfectly suits your needs.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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