Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, skillfully merging pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unmatched performance and steadfast reliability across diverse applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously fashioned for integration into high-end hydraulic systems, essential for elite engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include 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, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring unwavering and reliable operation in every scenario. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves might exhibit a marginally slower response time, they excel in delivering exceptional energy-saving performance, positioning them as the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, offering an impeccable 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 efficiency and reliability, consistently delivering smooth operations that underpin your system's seamless performance.;
HLPSV: Variable Displacement Pump - The epitome of versatility and flexibility, offering exceptional adaptability to meet diverse operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with dependability to form a robust operational framework::
2-G3/8; Meticulously crafted for compact proficiency, designed to ensure streamlined and efficient operational flows.
3-G1/2; Engineered for durability and dependability, providing a solid foundation for maintaining system integrity.;
4-G3/4; Featuring advanced connectivity, this offers superior control and enhanced integration within the system.;
5, 55-G1; Equipped to handle superior flow rates, making it perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering exceptional performance, expertly crafted to thrive in challenging environments and overcome obstacles effortlessly.;
(3) Additional Components and Specifications - Pushing the boundaries of system capabilities to extraordinary new heights::
C,Standard Type - A dependable and trustworthy foundation, meticulously engineered to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Assures precise control, significantly enhancing the efficiency of your entire system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to effortlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting 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 - This precision-engineered pressure limiting valve for secondary pressure (F50) is a marvel of modern engineering, meticulously calibrated to a specified pressure value. It introduces ground-breaking safety standards that significantly elevate operational security and enhance reliability, ensuring your operations run smoothly and with utmost confidence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with this adjustable component, offering settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. A pinnacle of adaptability, it meets a wide spectrum of hydraulic requirements. For configurations that demand simplicity, /NF denotes an absence of a pressure limiting valve; a design perfected for HLPSV to guarantee flawless pressure management across varied applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering mastery, crafted with precision to suit every application. Expect a product that aligns seamlessly with your unique needs, offering robust performance and reliability.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; These ports, including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, are crafted for outstanding integration, offering precision-engineered solutions for smooth, seamless operation.
(9)Directional valve block inflow controller options: Choose from a diverse array: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and remarkable efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each crafted with meticulous attention to meet specific functional requirements, ensuring superior performance and functionality.
(11) Output flow code for ports A & B: Experience peak efficiency with output flow rates available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. These offerings deliver exceptional performance and reliability for your hydraulic needs.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, accurately measured in bar, to guarantee unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system 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 precision-engineered for optimal control and functionality.
(14) Operation modes: Select from a spectrum of operation modes: A(1,2), manual operation with options for a long or short handle; E, electric proportional control; EA(1,2), a hybrid of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a union of electric switching value control and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control (aligning 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: Select from flexible options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each expertly crafted for seamless adaptability and integration into your existing systems.
(16) End plate options: Explore our meticulously crafted end plate solutions designed for excellence: E1, the quintessential choice, offering an external discharge of pilot oil coupled with an external oil return control port T; E2, echoing the elegance of E1, enhanced with an additional port Y for superior functionality; E3, equipped with a leading-edge 2-position 3-way magnetic ball valve, dynamically elevating your system's pressure to safety valve levels when energized.
E4, akin in architecture to E1, but seamlessly integrates an internal discharge of pilot oil alongside a sealed port T; E5 mirrors the sophistication of E2, incorporating internal discharge; E6 embodies the technological advancement of E3, each variant engineered to ensure impeccable discharge control.
(17) Control voltage and anti-explosion cable options: Opt for a variety of robust and compatible solutions such as G12-12VDC, expertly designed for top-tier safety and specialization in challenging 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 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 enhanced Safety Atex Valve, the flagship product, is a paradigm of sophistication in hydraulic system control. This load-sensitive proportional valve is expertly engineered to meet the complex demands of construction machinery and heavy-duty equipment. It is indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic partnerships with leading domestic manufacturers, crucial in localizing core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our quest to deliver unparalleled products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting unprecedented standards 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. Within this period, we meticulously prepare and adhere to stringent quality control processes, ensuring each item is delivered in pristine condition. Our ultimate commitment is your complete satisfaction through flawless and timely delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an exceptionally low minimum order quantity, allowing you the flexibility to purchase even a single piece for sample verification. This adaptability lets you start your projects with ease and precision, catering effortlessly to your specialized requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your detailed needs or intended applications to us. We will then provide a personalized quote tailored to your specific requirements or our expert recommendations. After finalizing the drawings and making a deposit, we will formalize the order and commence production. We guarantee adherence to every specification, ensuring a seamless and custom solution that fits perfectly with your vision.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, it is certainly possible. Please notify us formally before the start of production and confirm the design with the sample we provide. This ensures your branding is presented with unmatched precision and excellence, perfectly reflecting your identity.
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