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 reliability, offering unwavering performance to maintain smooth and efficient operations system-wide.;
HLPSV: Variable Displacement Pump - A model of flexibility and adaptation, delivering exceptional versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - A perfect blend of precision and dependability, forming a robust operational backbone::
2-G3/8; Designed for compact efficiency, facilitating smooth and seamless operational processes.
3-G1/2; Built for strength and reliability, establishing a steadfast foundation for system integrity.;
4-G3/4; Incorporates advanced connectivity, providing superior control and enhanced system integration.;
5, 55-G1; Offers high flow rates, perfect for demanding applications, ensuring consistent and reliable outcomes.;
6-G1 1/4; Ensures unparalleled performance, crafted to excel in challenging environments effortlessly.;
(3) Additional Components and Specifications - Empowering system capabilities to new heights::
C,Standard Type - A reliable foundation, carefully crafted to satisfy critical operational demands.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management for outstanding performance and reliability.;
(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); Custom solutions to seamlessly align with your operational requirements.
(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, energizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, energizes when unpowered;D/F - Immerse yourself in unparalleled safety and reliability with our meticulously crafted precision-engineered pressure limiting valve. Set at a specific secondary pressure (F50), this state-of-the-art mechanism ensures your operations are fortified with the utmost security and dependability, redefining excellence in safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in exceptional adaptability and precision with adjustable settings spanning 63 to 400 bar. This component exemplifies versatility, meeting every hydraulic demand with ease. For seamless configurations, /NF signifies the absence of a pressure limiting valve, expertly tailored for HLPSV to provide impeccable pressure control across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel, crafted with precision to meet diverse application requirements, ensuring you acquire a product that aligns perfectly with your unique specifications.
(8)Thread size of directional spool valve ports.: precision-engineered choices:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Complete with auxiliary blocks or the ZPL 5S(V)/H hydraulic control shut-off valve intermediate transition block, designed for flawless integration and exceptional performance.
(9)Directional valve block inflow controller options: Select from diverse options: 1, without inflow controller; 2, standard inflow controller; 4, innovative 3-way flow controller for inlet and outlet, optimized for N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options-each promising precision and remarkable efficiency.
(10) Valve core function symbols: Explore an extensive array of core functionalities: L, M, F, H, J, B, R, O, N, each designed with precision to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Elevate efficiency with peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered to deliver top-tier performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limitation protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system security.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with options 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 crafted for precise control and unmatched functionality.
(14) Operation modes: Choose from a myriad of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), blending electric proportional control with manual operation; D, electric switching value control; DA(1,2), integrating electric switching value control with 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: Immerse yourself in a world of engineering finesse with our adaptable ancillary block port sizes. Choose from the meticulously designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Masterfully crafted, these port sizes promise seamless adaptability and flawless integration into your existing systems, ensuring a perfect fit every time.
(16) End Plate Options: Explore our exquisitely crafted end plate solutions. Begin with E1, the robust standard choice, offering an external discharge of pilot oil coupled with an external oil return control port T. Elevate to E2, which retains E1's reliability, augmented by an additional port Y for enhanced functionality. Experience E3, uniquely outfitted with a 2-position 3-way magnetic ball valve that boosts your system to safety valve pressure levels when energized, offering unparalleled safety and control.
E4 shares E1's foundational design but pioneers an internal discharge of pilot oil with a seamlessly sealed port T. Similarly, E5 emulates E2's capabilities with the addition of internal discharge, while E6 mirrors E3's distinguished design, ensuring remarkable discharge management across all variants, pushing the boundaries of technological sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Delve into a spectrum of secure, compatible control voltage options designed for rigorous applications, such as G12-12VDC. Each selection is tailored meticulously for safety and specialized use in the most demanding environments, ensuring reliability and performance.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 is our flagship product, epitomizing the pinnacle of advanced hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for demanding applications such as 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:Our standard lead time is approximately one month post-payment. Throughout this period, we engage in precise preparations and adhere to strict quality assurance protocols, ensuring that each product is delivered to you in pristine condition. Our unwavering goal is your complete satisfaction with our flawless delivery process.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are delighted to inform you that our minimum order quantity is impressively low, allowing you to order as little as a single piece for sample verification purposes. This unparalleled flexibility empowers you to commence your projects with confidence and precision, catering seamlessly to your unique specifications.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the ordering process by sharing your detailed requirements or intended applications with us. We will provide a personalized quote crafted specifically for your needs or based on our expert advice. Once the design drawings are agreed upon and a deposit is submitted, we proceed to formalize and commence production. Our commitment to precision ensures that your specifications are met with exacting detail, guaranteeing a bespoke solution tailored 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: Certainly, this is entirely possible. Please inform us formally before production begins and confirm the design based on the sample we provide. This ensures that your branding is executed with exceptional precision and excellence, reflecting your brand identity flawlessly.
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