Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, harmoniously integrating pressure, flow, and directional control into one superior, unified system. This unique synthesis ensures unparalleled performance and reliability across diverse applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-end hydraulic systems, crucial for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they facilitate the simultaneous operation of multiple actuators under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in remarkable energy-saving performance, making them the quintessential choice where efficiency reigns supreme. With their cutting-edge engineering and energy-savvy design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable mix 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 - Anchoring your system's core with unwavering excellence, this pump delivers seamless and consistent operations, turning your machinery into a marvel of precision engineering. Count on unparalleled reliability as it empowers your equipment to perform with flawless accuracy.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and innovation, this pump masterfully adjusts to diverse operational demands. Its state-of-the-art design ensures seamless fluid transitions and superior control, positioning your system at the forefront of performance advancements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a powerful operational framework. Designed with careful precision, these specifications ensure flawless performance and exceptional dependability, providing a steadfast foundation for success in all applications.:
2-G3/8; This design exemplifies compact efficiency, enabling streamlined operations with precision. Expertly engineered for space-constrained environments, it delivers superior performance without any compromise.
3-G1/2; Built for strength and reliability, this component provides the robust backbone needed for your system's endurance. Designed to withstand demanding conditions, it ensures consistent, high-performance operations.;
4-G3/4; With its advanced connectivity, this component offers unmatched control and integration. Its refined design significantly boosts system efficiency, enhancing overall operational capabilities with distinctive finesse.;
5, 55-G1; Providing exceptional flow rates tailored for high-demand scenarios, this component guarantees robust and consistent performance. Engineered for excellence, it adeptly meets high-pressure demands with precision and ease.;
6-G1 1/4; Delivering unparalleled performance, this component thrives in challenging environments. Crafted to exceed expectations, it establishes new standards in power and capability, effortlessly tackling demanding tasks.;
(3) Additional Components and Specifications - Enhance your system's capabilities with groundbreaking components that set a new standard for operational excellence. These forward-thinking specifications open new dimensions of performance, elevating your operations to new heights of excellence.:
C,Standard Type - Serving as a reliable cornerstone, meticulously engineered to meet core operational needs. This component provides steadfast support and unparalleled reliability, empowering your system to achieve peak potential.;
G,Throttle Valve (For HLPSL only) - Attain precise control to boost your system's efficiency. This valve fine-tunes operations to maximize effectiveness, ensuring each component harmonizes for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve refines flow management, driving outstanding performance and reliability. Exceeding conventional limits, it consistently delivers superior results with remarkable consistency.;
(4) Pilot Oil Circuit Pressure Options - Experience the pinnacle of hydraulic power control with our bespoke pressure solutions, precisely crafted for a wide array of applications. These options deliver unparalleled accuracy, perfectly aligning with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing tailor-made solutions that seamlessly integrate with your unique operational demands, offering customizable configurations to achieve your desired outcomes with precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's operational efficiency and control with cutting-edge design, crafted to enhance performance. This solution offers superior control and efficiency, revolutionizing your system's capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, powering the pump upon energization, unloading when de-energized; D - Normally closed magnetic ball valve, unloading upon energization, pressurizing when de-energized. Precisely tuned for unmatched efficiency and adaptability within your system.D/F - Discover the forefront of technology with our precision-engineered pressure limiting valve for secondary pressure (F50). This masterfully crafted component maintains a designated pressure value, greatly enhancing safety and optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Explore supreme versatility and precision with adjustable settings ranging from 63 to 400 bar. This versatile component adapts to all hydraulic needs seamlessly. The /NF configuration, crafted for HLPSV, offers unrivaled pressure control with exceptional accuracy.
(7) Product Series Classification - The Epitome of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies design mastery, meticulously crafted to satisfy every application. Obtain a product that perfectly aligns with your requirements, delivering outstanding performance consistently.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless integration and optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet/outlet, designed for N 3/3-way valve; 5, enhanced inflow controller. Each option is tailored to deliver precision and exceptional efficiency.
(10) Valve core function symbols: Discover an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each crafted for specific functional requirements with unparalleled precision and dependability.
(11) Output flow code for ports A & B: Elevate your hydraulic system's performance to new heights with precision-calibrated output flows, available in an impressive range of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min. Each flow rate is crafted to deliver unmatched reliability and maximum efficiency, ensuring your operations run smoothly and effectively.
(12) Secondary Pressure Limitation Options: Discover a new level of safety and reliability with our ingeniously engineered pressure limitation options, calibrated in bar to give you unwavering confidence in your operations. Choose 'N' for tasks that do not require pressure limiting, keeping it simple. For situations demanding concurrent pressure control at actuator ports A & B, choose 'C' for consistent and reliable performance. For customized and individual port control, select 'A---B---' to experience meticulously tailored management. Each option upholds the pinnacle of system integrity, ensuring your operations are not only secure but also optimally efficient.
(13) Function ON/OFF and Pressure Outlet Options: Maximize your system's potential with a selection of customizable options designed for supreme performance. For basic operations, 'N' allows a straightforward setup without function ON/OFF or pressure outlet requirements. For more demanding processes, 'X' with C type pressure limitation is recommended, or opt for 'S/S1' with AB type pressure limitation for enhanced control. For electronic precision, select 'A' for ON/OFF capabilities on side A or 'B' for side B. Each choice is thoughtfully crafted to ensure precision, heightened efficiency, and operational excellence.
(14) Operation Modes: Embrace a spectrum of operation modes meticulously crafted for unmatched versatility and precision. 'A(1,2)' offers manual operation with customizable long or short handles to suit ergonomic preferences. 'E' delivers advanced electric proportional control, while 'EA(1,2)' merges this with manual operation for the utmost adaptability. 'D' provides electric switching value control, with 'DA(1,2)' adding manual enhancements. Select 'M' for expert manual friction positioning with a long handle. For exclusive hydraulic operations, 'H' and 'F' offer distinctive pilot oil port designs, either aligned or perpendicular, ensuring a mastery over your system's control.
(15) Ancillary Block Port Sizes: Unleash unmatched adaptability and performance with our expertly crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration into your system. Every option is designed to deliver optimal adaptability and maximum performance across diverse systems and operational demands, ensuring your setup remains top-tier.
(16) End Plate Options: Explore our precision-engineered end plate solutions, crafted to meet the zenith of functionality and adaptability. 'E1' standardizes with external pilot oil discharge and oil return control port T. 'E2' extends capabilities with an extra port Y, enhancing flexibility. 'E3' propels system performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', featuring advanced internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines 'E2' features with internal discharge for exceptional system performance. 'E6' embodies the sophisticated design of 'E3' with enhanced discharge control, perfect for the most demanding requirements, guaranteeing your system remains at the peak of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, like the G12-12VDC, meticulously engineered to deliver safety and reliability, even in the harshest conditions. Our offerings promise specialized solutions and unwavering security tailored to any application, ensuring your system's performance and stability remain uncompromised.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 illuminated the hydraulic industry with its relentless pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand proud as a national high-tech enterprise, embodying our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise encompasses comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to continuously elevate our standards of excellence, further cementing our position as leaders in the industry.
At the heart of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its crucial functionality extends across vital applications, including life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our steadfast commitment to forming strategic alliances with leading domestic manufacturers expedites the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to producing exceptional products, providing unmatched services, and offering groundbreaking solutions. With an ambition to be recognized globally as a trusted supplier of premier hydraulic components, we continually strive to set 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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