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 - Your Blueprint to Excellence:
HLPSL: Constant Displacement Pump - Embodying the pinnacle of reliability, this pump ensures unwavering and smooth operational flows across your system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and flexibility, crafted to meet a diverse array of operational challenges with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets steadfast reliability, crafting a framework you can trust::
2-G3/8; Expertly designed for compact efficiency, this connection supports seamless and efficient operational flows.
3-G1/2; Built for robustness and reliability, this connection provides a solid foundation for system integrity and operational success.;
4-G3/4; With advanced connectivity features, this connection offers superior control and exceptional system integration.;
5, 55-G1; Featuring superior flow rates, this connection is perfect for high-demand applications, ensuring consistent and reliable performance throughout.;
6-G1 1/4; Offering unmatched performance, this connection excels in demanding environments, effortlessly tackling challenges.;
(3) Additional Components and Specifications - Boosting system capabilities beyond expectations::
C,Standard Type - A steadfast and reliable foundation, meticulously crafted to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly enhancing system efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizing flow management for unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored to diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Catalyzing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, achieving pump unloading when powered, and pressurization when unpowered; Your choice in control and efficiency.D/F - Introducing a state-of-the-art marvel, this precision-engineered pressure limiting valve enhances secondary pressure (F50) with a finely-tuned pressure value. It stands as a testament to superior engineering, elevating safety to new heights and optimizing security and reliability in operation like never before, ensuring your systems function at their peak potential.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of adaptability and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes versatility, effortlessly meeting every hydraulic demand. With the /NF configuration, indulge in systems devoid of a pressure limiting valve, specifically crafted for HLPSV, offering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an exemplar of design, meticulously tailored to fit every application, ensuring that you receive a product perfectly suited to your exact specifications, delivering unmatched utility and satisfaction.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously designed for seamless and flawless integration, ensuring smooth operational harmony.
(9)Directional valve block inflow controller options: Choose from a versatile array of options: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, custom-made for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each designed for precision and outstanding efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to address specific functional requirements, ensuring your system operates with precision and excellence.
(11) Output flow code for ports A & B: Achieve supreme performance and reliability with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for peak efficiency and trustworthiness.
(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 measured in bar, ensuring uncompromising safety and robustness in your system.
(13) Function ON/OFF and pressure outlet options: Customize your system 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 designed for precise control and extraordinary functionality.
(14) Operation modes: Select from a variety 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, crafted for comprehensive and precise control, ensuring your system operates seamlessly and efficiently.
(15) Ancillary block port sizes: Unlock the potential of your system with our meticulously designed ancillary block port sizes. Choose from a versatile array: /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is engineered to provide seamless adaptability, ensuring flawless integration across diverse applications.
(16) End plate options: Discover our range of expertly crafted end plate solutions tailored to meet your specific needs. E1, the standard choice, facilitates an external discharge of pilot oil and controls the external oil return via port T. E2 builds upon E1 with an added port Y, enhancing flexibility. E3 takes it a step further with a sophisticated 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels upon activation, ensuring robust safety measures.
E4 is ingeniously designed similar to E1 but innovates with an internal pilot oil discharge and a sealed port T for enhanced efficiency. E5 replicates the flexibility of E2, offering internal discharge for peak performance. E6 mirrors the advanced features of E3, providing comprehensive discharge control with elevated sophistication across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our robust and specialized selection of control voltage and anti-explosion cable options, including G12-12VDC. These are engineered to ensure safety and precision, even in the most demanding environments, making them ideal for specialized applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a shining beacon of innovation and distinction within the hydraulic industry. As a respected subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unparalleled expertise in the meticulous pursuit of research, development, manufacturing, and sales of exceptional hydraulic components sets us apart. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are committed to technological advancement and superior quality, solidifying our position as industry leaders.
Introducing our flagship product, the enhanced Safety Atex Valve, which stands as the pinnacle of sophisticated hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this indispensable component serves critical roles in high-stakes environments such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic collaborations with numerous leading domestic manufacturers, significantly contributing to the localization of essential hydraulic components for premium mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our commitment to offering exceptional products, services, and solutions. Our mission is to emerge 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: 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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