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 single, cohesive marvel. With unmatched performance and reliability, these valves are pivotal across a vast array of applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - they are precision-engineered for seamless integration into high-end hydraulic systems, crucial for superior engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precision and control that is second to none. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under various loads, providing extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in delivering outstanding energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an unparalleled 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 Backbone of Efficient System Integration
HLPSL: Constant Displacement Pump - Your pillar of consistency; this pump is meticulously designed to deliver unwavering and robust performance, ensuring your operations are smooth and efficient. Trust in its superior reliability to keep everything in perfect harmony.;
HLPSV: Variable Displacement Pump - The embodiment of flexibility and precision engineering, offering you the adaptability needed to meet diverse operational challenges. It seamlessly transitions to your specific demands, providing unparalleled control and efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets steadfast reliability. These ports are crafted with meticulous detail to enhance performance and reliability, making them ideal for a myriad of applications.:
2-G3/8; Designed for compact efficiency, this port ensures streamlined workflows and is engineered for precise performance, even in the most confined spaces, guaranteeing optimal output.
3-G1/2; Built to embody strength and durability, this port provides a reliable foundation for your system. Its robust design ensures it withstands the most challenging conditions with ease.;
4-G3/4; Enhanced with advanced connectivity features, this port elevates your system's integration and control, merging sophistication with operational excellence.;
5, 55-G1; With superior flow rates, this port is tailored for high-demand scenarios. It ensures consistent, reliable performance, expertly handling high-pressure environments with exceptional ease.;
6-G1 1/4; This port sets new standards in power and performance, excelling in rigorous environments with unmatched capability and determination.;
(3) Additional Components and Specifications - Taking your system's capabilities to new heights, these components unleash the full potential of your operations, setting new standards of excellence.:
C,Standard Type - The cornerstone of reliability, this type is crafted to meet essential requirements with unmatched steadfastness, empowering your system with foundational strength.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, this valve enhances overall system efficiency, fine-tuning operations to achieve optimal effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevating flow management to new levels, this valve delivers unprecedented performance and reliability, surpassing conventional performance barriers.;
(4) Pilot Oil Circuit Pressure Options - Crafted for bespoke pressure management, these options provide precise control tailored to your unique operational needs, aligning perfectly with your objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions tailored to your specific operational demands, ensuring seamless integration. Benefit from customizable configurations designed to help you achieve desired outcomes effortlessly and efficiently.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and control: Purposefully crafted to optimize system performance, delivering unrivaled control and exceptional effectiveness in operation.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when energized, pressurizing it when unpowered; Providing precision tuning for unmatched system efficiency and seamless operations.D/F - Introducing a cutting-edge, precisely engineered pressure limiting valve for secondary pressure (F50), crafted with meticulous accuracy to sustain a specifically defined pressure level. This engineering masterpiece is designed to considerably enhance advanced safety protocols, thus optimizing operational security and reliability to exceptional levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, flawlessly fulfilling every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, ensuring unparalleled pressure regulation across a wide range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to advanced design, masterfully engineered to cater to every application, ensuring you obtain a product that perfectly aligns with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and effortless integration.
(9)Directional valve block inflow controller options: Opt from an extensive selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, engineered for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional performance.
(10) Valve core function symbols: Discover an expansive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific operational needs.
(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 reliability.
(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 meticulously measured in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Experience unparalleled customization with our versatile options: N, featuring no function ON/OFF or pressure outlet; X, with C type pressure limitation; S/S1, offering AB type pressure limitation; A, providing electrical ON/OFF on side A; B, with electrical ON/OFF on side B, each meticulously crafted for precision control and exceptional functionality.
(14) Operation modes: Select from an extensive array of operation modes designed for any scenario: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control for nuanced adjustments; EA(1,2), combining electric proportional control with manual operation for hybrid flexibility; D, electric switching value control for dynamic operation; DA(1,2), merging electric switching value control with manual operation; M, manual friction positioning with a long handle for steady control; H, pure hydraulic control aligning pilot oil ports with oil ports A and B for streamlined operations; F, pure hydraulic control featuring perpendicular pilot oil ports, ensuring precise and comprehensive system management.
(15) Ancillary block port sizes: Embrace a new level of versatility with our meticulously crafted ancillary block port options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each variant is engineered with precision to ensure seamless adaptability and flawless integration across a multitude of systems, guaranteeing unmatched efficiency and optimal performance.
(16) End plate options: Explore our expertly designed end plate solutions: E1, the standard choice, ensures an external discharge of pilot oil and an external oil return control port T. E2 extends E1 with port Y for added flexibility; E3 integrates a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring unrivaled performance.
E4, echoing E1, ingeniously integrates an internal discharge of pilot oil with a sealed port T, enhancing operational efficiency. E5 mirrors the robust characteristics of E2 with an internal discharge, guaranteeing superior performance. E6 mirrors E3's sophisticated design, offering advanced discharge control to meet the most complex system demands.
(17) Control voltage and anti-explosion cable options: Opt for our safe and reliable range, including G12-12VDC, engineered for utmost safety and dependability in the most challenging applications. Our selection promises specialization and security, ensuring your system functions flawlessly.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 unwavering innovation and unmatched excellence within the hydraulic industry. As a proud and prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), we have been hailed as a national high-tech enterprise, demonstrating our relentless dedication to technological advancement and superior quality. Our exceptional expertise stretches across the intricate realms of research, development, manufacturing, and sales of top-tier hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we remain resolute in our commitment to excellence, which solidifies our leadership position in the industry.
Behold our flagship creation-the enhanced Safety Atex Valve-an epitome of innovation in cutting-edge hydraulic system control. This meticulously engineered component is crafted for construction machinery and robust heavy-duty equipment, performing pivotal roles in essential applications such as emergency rescue operations, intricate tunnel engineering, dynamic mining activities, and versatile municipal service vehicles. We are immensely proud of our strategic alliances with premier domestic manufacturers, enhancing the localization of core hydraulic components for elite mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our quest to deliver exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of superior hydraulic components, consistently 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.
Audited Supplier 
){kind=link}