Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, seamlessly uniting pressure, flow, and directional control into one cohesive, harmonious masterpiece. This ensures unrivaled performance and rock-solid reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for high-end hydraulic systems, indispensable for premier engineering machinery. They adeptly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, delivering unparalleled 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. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a marginally 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 - The foundational elements that drive high-performance systems:
HLPSL: Constant Displacement Pump - The backbone of reliability, guaranteeing unwavering and consistent performance to maintain smooth and efficient functionality across your system.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, offering remarkable versatility to meet diverse operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets dependability, creating a steadfast operational infrastructure::
2-G3/8; Crafted for compact efficiency, designed to facilitate streamlined and seamless operational interactions.
3-G1/2; Engineered for durability and dependability, providing a robust foundation that upholds your system's structural integrity.;
4-G3/4; Featuring advanced connectivity, delivering superior control and enhancing system integration.;
5, 55-G1; Equipped with superior flow rates, perfectly suited for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in challenging environments and effortlessly handle demanding tasks.;
(3) Additional Components and Specifications - Elevating your system's capabilities to extraordinary levels::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control in your operations: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 - Discover the pinnacle of innovation with this precision-engineered pressure limiting valve for secondary pressure (F50), which boasts a specifically defined pressure value. This engineering marvel is meticulously crafted to elevate safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic need. With the /NF configuration, you can operate systems without a pressure limiting valve, meticulously designed for HLPSV, delivering extraordinary pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, expertly crafted to match every application, ensuring you receive a product perfectly aligned with your unique requirements.
(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 superbly engineered intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ensuring smooth and flawless integration.
(9)Directional valve block inflow controller options: Choose from an impressive selection: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak performance with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and dependability.
(12) Secondary pressure limitation options: Opt for: 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 system safety.
(13) Function ON/OFF and pressure outlet options: Customize 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 engineered for precise control and functionality.
(14) Operation modes: Select 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 fusion 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.
(15) Ancillary block port sizes: Experience unparalleled versatility with our expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously designed for seamless adaptability and flawless integration into a wide array of systems, ensuring you have the perfect solution for every application with precision and ease.
(16) End plate options: Discover our meticulously designed end plate solutions: E1, your standard choice, provides an external discharge of pilot oil and an external oil return control port T; E2, akin to E1, is enhanced with an additional port Y for extraordinary flexibility; E3 features a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, delivering uncompromised performance and reliability.
E4, designed akin to E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced efficiency; E5 mirrors the advanced features of E2, with internal discharge to optimize performance; E6 reflects the sophisticated design of E3, ensuring advanced discharge control and precision engineering in every variant, catering to the most demanding situations.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range, such as G12-12VDC, which ensures safety and specialization even in the most challenging applications, providing reliability and peace of mind under stringent conditions.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 consistently stood as a beacon of innovation and industry excellence in the realm of hydraulics. Proudly operating as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we embody the spirit of a national high-tech enterprise. Our prowess in the intricate processes of research, development, manufacturing, and sales of superior hydraulic components remains unparalleled. As a designated national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to technological innovation and premium quality, positioning us as frontrunners in the industry.
Our flagship offering, the Safety Atex Valve, is the pinnacle of advanced hydraulic system control. Meticulously engineered, this versatile component is essential for demanding applications including emergency rescues, tunnel engineering, mining operations, and municipal service vehicles. We are immensely proud of our strategic partnerships with leading domestic manufacturers, playing a pivotal role in the localization of core hydraulic components for premium mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing them with our attitude, and retaining them with quality'-we are resolute in our pursuit to deliver exceptional products and solutions. Our mission is to emerge as a globally trusted supplier of top-tier hydraulic components, setting new benchmarks of excellence on the world stage.
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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