Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the pinnacle of hydraulic innovation, meticulously integrating pressure, flow, and directional control into a seamless, cohesive marvel. This ensures unparalleled performance and steadfast reliability across every application. Expertly crafted from three fundamental functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are tailored for flawless integration into premium hydraulic systems, crucial for superior engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact structure, remarkable energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to function simultaneously under diverse loads, delivering extraordinary performance and versatility for any application imaginable.
The HLPSL valves are masterfully designed for constant displacement pump systems, guaranteeing unwavering and dependable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might exhibit a slightly slower response, they excel in delivering exceptional energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is of paramount importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal 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 and efficiency, this pump consistently provides steadfast performance, ensuring your operations run smoothly and efficiently. It's the dependable force that keeps everything in perfect alignment, much like a precision timepiece.;
HLPSV: Variable Displacement Pump - This pump epitomizes adaptability and versatility, offering remarkable flexibility to meet diverse operational needs. Engineered to adjust seamlessly to dynamic demands, it ensures superior control and smooth transitions for optimal operation.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability to create a robust operational foundation. Carefully engineered to ensure flawless performance and heightened reliability in every application you undertake.:
2-G3/8; Expertly designed for compact proficiency, this component supports seamless and streamlined operations. Its precise engineering ensures optimal performance, even in confined spaces.
3-G1/2; Built for strength and reliability, this component provides a solid foundation for your system's integrity. Its robust construction ensures long-lasting performance under the most challenging conditions.;
4-G3/4; Offering advanced connectivity, this component enhances system integration and control. It blends sophistication with efficiency, elevating your system's operational capabilities.;
5, 55-G1; Designed with superior flow rates, this component is ideal for high-demand applications, ensuring reliable and consistent performance. It is crafted to excel, tackling high-pressure challenges effortlessly.;
6-G1 1/4; This component delivers unmatched performance, expertly crafted to excel in demanding environments. It sets new standards in power and performance, tackling challenges with ease.;
(3) Additional Components and Specifications - Elevating your system's capabilities beyond conventional limits: With advanced components that redefine excellence, these enhancements unlock unparalleled potential in your operations.:
C,Standard Type - A rock-solid foundation, meticulously crafted to meet essential operational needs. It offers steadfast support, empowering your system with unmatched reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting your system's efficiency. It fine-tunes your operations for maximum effectiveness and precision.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving performance and reliability to new heights. It surpasses conventional performance boundaries to deliver exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions tailored for various applications: Delivering precision control that aligns seamlessly with your specific operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Elevate your operations with custom-engineered solutions tailored to meet your precise demands effortlessly. Offering versatile configurations to ensure seamless achievement of your desired results.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly designed to enhance your system's performance, offering unrivaled control and outstanding effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressurization when powered, ensures unloading when unpowered; D - Normally closed magnetic ball valve, offers unloading when powered, pressurizes when unpowered; Masterfully crafted for precision tuning to achieve unmatched system efficiency.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), an engineering marvel, expertly crafted to maintain predefined pressure values. This component significantly advances safety measures, optimizing operational security and reliability to exceptional heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar levels. Exemplifying adaptability, this component meets diverse hydraulic requirements effortlessly. The /NF configuration caters to systems without a pressure limiting valve, expertly engineered for HLPSV, ensuring unparalleled pressure control across broad applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, meticulously crafted to meet every application, ensuring you procure a product that aligns seamlessly with your specific 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 expertly crafted intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive suite of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the 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 functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill distinct functional requirements.
(11) Output flow code for ports A & B: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and steadfast dependability.
(12) Secondary pressure limitation options: Choose 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 precisely measured in bar to ensure unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your equipment's performance with our customizable features, including: N, without function ON/OFF or pressure outlet for simplicity; X, C type pressure limitation for precision; S/S1, AB type pressure limitation for enhanced control; A, electrical ON/OFF on side A; and B, electrical ON/OFF on side B, each meticulously engineered to deliver precise control and unparalleled functionality.
(14) Operation modes: Experience versatility with our wide selection of operation modes: A(1,2), manual operation with the option of a long or short handle for tailored ergonomics; E, electric proportional control for seamless integration; EA(1,2), a hybrid of electric proportional control and manual operation for flexibility; D, electric switching value control for instant responsiveness; DA(1,2), a combination of electric switching value control and manual operation for dual functionality; M, manual friction positioning with a long handle for precision; H, pure hydraulic control aligning pilot oil ports with oil ports A and B for fluid management; F, pure hydraulic control with perpendicular pilot oil ports, expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Embrace adaptability with our ingeniously crafted ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously engineered option guarantees seamless adaptability and flawless integration across diverse systems, ensuring efficiency and optimal performance in every application.
(16) End plate options: Explore our expertly crafted end plate solutions: E1, your standard choice, provides an external discharge of pilot oil and an external oil return control port T. E2 enhances E1 with the addition of port Y for increased flexibility. E3 features an advanced 2-position, 3-way magnetic ball valve, which raises system pressure to safety valve levels when activated, ensuring peak performance and reliability.
E4, echoing E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T, enhancing efficiency. E5 mirrors the robust features of E2 with an internal discharge, ensuring optimal performance. E6 parallels the sophisticated design of E3, offering advanced discharge control in every variant to meet the demands of complex systems.
(17) Control voltage and anti-explosion cable options: Select from our secure and versatile range, including G12-12VDC, engineered for safety and reliability in the toughest environments. Our options ensure specialization and security, meeting the highest standards.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a shining beacon of innovation and distinction in the ever-evolving hydraulic industry. Proudly operating under the prestigious umbrella of the China Baoan Group, identified by its stock code: 000009, our company is celebrated as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our outstanding expertise is evident in our rigorous research, development, manufacturing, and sales of top-tier hydraulic components. As a recognized national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, solidifying our position as trailblazers and leaders in the field.
Our flagship innovation, the enhanced Safety Atex Valve, stands as a testament to our commitment to cutting-edge hydraulic system control. This meticulously engineered component is crafted for use in construction machinery and heavy-duty equipment, playing an indispensable role in critical operations such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We take immense pride in forging strategic alliances with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy: 'serving customers with technology, impressing them with our attitude, and retaining them with quality,' we remain resolute in our quest to deliver extraordinary products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new benchmarks of excellence on the international 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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