Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation. Conversely, 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 emerge as the premier solution for advanced hydraulic control requirements.
| 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 - Unlock a realm of consistent performance with this key component.;
HLPSV: Variable Displacement Pump - Witness adaptability at its finest, elevating your system's efficiency.;
(2) Connection Block Ports P & R Specifications - Precision you can trust, ensuring reliability::
2-G3/8; Compact and efficient, designed for excellence.
3-G1/2; Reliable and robust for demanding operations.;
4-G3/4; Advanced connectivity, setting new standards.;
5, 55-G1; Experience superior flow rate with precision.;
6-G1 1/4; Unmatched performance in every application.;
(3) Additional Components and Specifications - Elevate system capabilities with these enhancements::
C,Standard Type - Provides a dependable baseline for varied applications.;
G,Throttle Valve (For HLPSL only) - Achieve precision control with superior accuracy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management crafted for excellence.;
(4) Pilot Oil Circuit Pressure Options - Discover customizable pressure control tailored to your needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to enhance your system.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency with advanced technology:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered; D./F. . , With pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures for seamless operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Settings available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring optimal pressure control with precision settings.
(7) Product Series Classification - Identifying excellence: A testament to outstanding engineering, our product series is a hallmark of quality.;-2 2 Series; -3 3 Series; -5 5 Series; These series are meticulously tailored to suit every unique application, offering unparalleled versatility.
(8)Thread size of directional spool valve ports A & B: Experience precision connection with our expertly designed thread sizes.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block, or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve; Tailored for optimal performance.
(9)Directional valve block inflow controller options: Choose your ideal control with options ranging from no inflow controller to enhanced, pre-selectable, or 3-way flow controllers for sophisticated fluid management.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Each symbol represents a unique functionality, engineered for efficiency.
(11) Output flow code for ports A & B: Tailor your output flow with options providing maximum output from 3 to 210 L/min, ensuring top-tier performance.
(12) Secondary pressure limitation options: Choose from a variety of pressure-limiting configurations to suit your specific needs-ensuring robust and safe operation.
(13) Function ON/OFF and pressure outlet options: Our versatile options cater to your operational requirements, from electrical ON/OFF controls to tailored pressure limitations.
(14) Operation modes: Whether you prefer manual, electric, or hydraulic control, our operation modes offer flexibility and precision for every application need.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Each size is designed to ensure seamless integration and performance.
(16) End plate options: From external to internal discharge of pilot oil, our end plates are engineered for optimal control and safety under diverse conditions.
E4, similar to E1, internal discharge of pilot oil, port T can be sealed; E5, similar to E2, internal discharge of pilot oil, port T can be sealed; E6, similar to E3, internal discharge of pilot oil, port T can be sealed; Offering thorough customization for all sealing needs.
(17) Control voltage and the length of anti-explosion type cable options: Ensure safe and reliable operation with our control voltage options, including anti-explosion cables for enhanced safety.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G123d8c99f0
Since our groundbreaking launch in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has revolutionized the hydraulic industry through cutting-edge innovation and unmatched excellence. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we shine as a prominent national high-tech enterprise. Our specialization in the meticulous research, development, manufacturing, and sales of superior hydraulic components highlights our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise. This prestigious title embodies our unwavering dedication to technological advancement and premium quality, positioning us as trailblazers within the industry.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of precision and innovation in advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this adaptable component is indispensable in high-demand scenarios such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic alliances with leading domestic manufacturers, significantly 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 mission to deliver outstanding products, services, and solutions. Our vision is to become a globally trusted supplier of top-tier hydraulic components, setting new standards of excellence on the world stage.
Customer Inquiry:1. What about the lead time?
Our Response:The lead time for production is typically around one month following receipt of payment. This period allows us to undertake meticulous preparation and enforce stringent quality control measures. Every detail is taken care of to ensure your products are delivered flawlessly.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Our Response: We offer an exceptionally low minimum order quantity, allowing you the freedom to order even a single piece for sample checking. This flexibility ensures that your specific needs are met perfectly, making it easier to start your projects seamlessly.
Customer Inquiry:3. How to proceed with an order for LED lights?
Our Response: Start by informing us of your detailed requirements or applications. We will then provide you with a customized quote based on your needs or our expert recommendations. Once you confirm the drawings and place a deposit, we will formalize the order and arrange production. Every specification will be meticulously met, ensuring a seamless and tailored solution.drawings,and place a deposit to formalize the order. Finally, we will arrange production, ensuring that every specification is met to perfection, delivering a seamless and tailored solution.
Customer Inquiry:4. Is it OK to print my logo on the product?
Our Response: Absolutely, it is possible. Simply inform us formally before production begins and confirm the design based on the sample we provide. This ensures that your branding is represented with utmost precision and quality.
){kind=link}