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 - Unleash the Full Potential of Your System
HLPSL: Constant Displacement Pump - The unwavering cornerstone of reliability, tirelessly delivering consistent and steadfast performance. This ensures your system operates with impeccable smoothness and efficiency.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering incredible flexibility to meet a comprehensive range of operational needs.;
(2) Connection Block Ports P & R Specifications - The Union of Precision and Reliability::
2-G3/8; A masterclass in compact proficiency, adeptly designed to uphold streamlined and seamless operational flows.
3-G1/2; Robustly engineered for enduring reliability, forming a solid foundation for your system's structural integrity.;
4-G3/4; Advanced connectivity redefined, offering unparalleled control and superior system integration.;
5, 55-G1; Exemplifying superior flow rates, perfect for high-demand applications, ensuring steadfast and reliable performance.;
6-G1 1/4; Unrivaled performance, meticulously designed to excel in the harshest environments and effortlessly conquer challenges.;
(3) Additional Components and Specifications - Soaring System Capabilities to New Heights::
C,Standard Type - The bedrock of reliability, precisely crafted to fulfill essential operational mandates.;
G,Throttle Valve (For HLPSL only) - Ensures impeccable precision control, significantly amplifying the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored Pressure Control Solutions for Every Application:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option provides a bespoke solution to seamlessly align with your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing Efficiency and Control:C - No magnetic ball valve; F - Normally open magnetic ball valve, which pressurizes the pump when energized and unloads it when de-energized; D - Normally closed magnetic ball valve, which unloads the pump when energized and pressurizes it when de-energized.D/F - Discover the groundbreaking precision of our state-of-the-art pressure limiting valve, masterfully engineered for secondary pressure (F50) with a meticulously defined pressure value. This engineering masterpiece elevates advanced safety measures to new heights, optimizing operational security and reliability like never before, ensuring unparalleled performance in every application.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision! With adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component is the epitome of adaptability, seamlessly meeting every hydraulic need. Embrace the /NF configuration, where systems operate without a pressure limiting valve, meticulously crafted for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to expert design, meticulously tailored to fit every application, guaranteeing a product that perfectly aligns with your distinct requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously engineered for seamless and impeccable integration.
(9)Directional valve block inflow controller options: Choose from a vast selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and unparalleled efficiency.
(10) Valve core function symbols: Explore an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional needs, ensuring exceptional performance.
(11) Output flow code for ports A & B: Achieve peak efficiency with a range of 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: 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 system safety and integrity.
(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 optimal functionality.
(14) Operation modes: Choose from an 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unmatched versatility with our precisely crafted selection of port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously engineered for seamless adaptability and perfect integration into a wide array of systems, ensuring your operations run smoothly and efficiently.
(16) End plate options: Delve into our thoughtfully designed end plate solutions: E1, your reliable choice, provides an external discharge of pilot oil and an external oil return control port T. E2 maintains E1's integrity while adding a port Y for extra flexibility. E3 stands out with a 2-position 3-way magnetic ball valve, raising system pressure to safety valve levels when activated, offering superior control and performance.
E4, similar to E1, expertly integrates an internal discharge of pilot oil with a sealed port T for greater efficiency; E5 takes the features of E2 and enhances them with internal discharge for peak performance; E6 mirrors the advanced design of E3, delivering sophisticated discharge control across all variants, ensuring your system's excellence.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible array, such as G12-12VDC, purpose-built for safety and tailored for the most challenging applications. Achieve peace of mind with our robust solutions designed to meet the highest industry standards.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 emerged as a beacon of groundbreaking innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is upheld with pride and distinction. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is truly unparalleled. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as trailblazers and leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the pinnacle of advanced hydraulic system control technology. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes 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, significantly contributing to the localization of core hydraulic components for high-end 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 commitment to providing exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new standards 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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