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 blending pressure, flow, and directional control into one harmonious masterpiece. This synthesis ensures unrivaled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are meticulously crafted for seamless integration into high-end hydraulic systems, which are crucial for superior engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly 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. While HLPSV valves may exhibit a marginally slower response, they excel in providing remarkable energy-saving performance, positioning themselves as 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 ideal combination 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, this pump ensures consistent and unwavering performance. Designed to enhance operational efficiency and smoothness, it provides the dependable power that keeps your machinery in perfect harmony.;
HLPSV: Variable Displacement Pump - A true marvel of adaptability and versatility, offering extraordinary flexibility to meet diverse operational needs. Expertly crafted to adjust to dynamic demands, it facilitates seamless transitions and impeccable control.;
(2) Connection Block Ports P & R Specifications - Where precision intersects with reliability, creating a robust operational framework. These ports are intricately designed for impeccable performance, enhancing reliability in every application.:
2-G3/8; Optimized for compact efficiency, these ports support streamlined and seamless operational flow. Engineered for precision, they guarantee optimal performance in confined spaces.
3-G1/2; Built for durability and reliability, providing a robust foundation for system integrity. This port offers unwavering durability, even under the most challenging conditions.;
4-G3/4; With advanced connectivity, this port offers superior control and enhanced system integration. It combines sophistication and efficiency to elevate your system's operational excellence.;
5, 55-G1; Equipped with high flow rates, this port is ideal for demanding applications, ensuring consistent and reliable performance. Designed for excellence, it effortlessly handles high-pressure challenges.;
6-G1 1/4; Delivering unparalleled performance, this port is expertly designed to excel in demanding environments, effortlessly tackling challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights: These advanced components unleash the potential of your operations, redefining excellence and maximizing efficiency.:
C,Standard Type - A bedrock of reliability, meticulously crafted to meet essential operational needs. It offers steadfast support and unmatched dependability, empowering your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing your system's overall efficiency. It fine-tunes operations for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering remarkable performance and reliability. This valve pushes the boundaries to offer extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for a wide range of applications: These options are tailored to your needs, providing precision control that aligns seamlessly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Elevate your operations with our tailored solutions that seamlessly adapt to match your unique demands. Our customizable configurations are designed to ensure that you effortlessly achieve your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: This valve is expertly crafted to optimize your system's performance, offering unmatched control and superior effectiveness for all your operational needs.C - No magnetic ball valve; F - Normally open magnetic ball valve, systematically pressurizing the pump when powered and unloading it when not; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered. Achieve precision tuning for exceptional system efficiency.D/F - Introducing an advanced, precisely engineered pressure limiting valve for secondary pressure (F50), unparalleled in its ability to maintain a specifically defined pressure value. This engineering triumph significantly enhances safety measures, optimizing operational security and reliability to the highest standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of versatility and precision through adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a testament to adaptability, expertly crafted to meet every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, designed for HLPSV, providing unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each of these series is a masterclass in design, skillfully conceived to address every application, ensuring that you obtain a product perfectly aligned 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 the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a diverse array 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 offering exceptional precision and efficiency.
(10) Valve core function symbols: Explore a vast collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and reliability.
(12) Secondary pressure limitation options: Select from options: 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: Customize your control experience with our versatile options: N, no function ON/OFF or pressure outlet for seamless integration; X, C type pressure limitation for precise pressure management; S/S1, AB type pressure limitation for exact control; A, electrical ON/OFF on side A for enhanced control; B, electrical ON/OFF on side B for tailored functionality. Each option is meticulously engineered for unparalleled control and precision.
(14) Operation modes: Explore a comprehensive range of operation modes tailored to your needs: A(1,2), manual operation with optional handle lengths for comfort and control; E, electric proportional control for precision; EA(1,2), combining electric proportional control with manual for versatile operation; D, electric switching value control for efficiency; DA(1,2), merging electric switching with manual operation for flexibility; M, manual friction positioning with extended handle for ease; H, pure hydraulic control with aligned pilot oil ports for seamless operation; F, pure hydraulic control with perpendicular pilot oil ports, each mode expertly designed for precise and comprehensive control.
(15) Ancillary block port sizes: Experience the pinnacle of adaptability with our meticulously engineered port size options: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each size is crafted for perfect fit and integration across diverse systems, ensuring optimal efficiency and performance.
(16) End plate options: Explore our thoughtfully engineered end plate solutions: E1, standard choice with external pilot oil discharge and port T for control; E2 enhances E1 with port Y for added flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when engaged, maximizing performance.
E4, follows E1's lead with an innovative internal pilot oil discharge and sealed port T for maximum efficiency. E5 echoes the robust E2 with internal discharge, ensuring high performance standards. E6 represents the advanced design of E3, offering precise discharge control for complex system requirements.
(17) Control voltage and anti-explosion cable options: Select from our robust range of safe and reliable options, such as G12-12VDC, ensuring security and reliability even in the most challenging environments. Our options are crafted for specialization and maximum safety.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 become synonymous with innovation and excellence in the hydraulic sector. As a proud and distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), our company exemplifies a national high-tech enterprise, demonstrating unwavering dedication to technological progress and unparalleled quality. Our unmatched expertise encompasses the comprehensive research, development, manufacturing, and distribution of superior hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we are resolutely committed to excellence, firmly establishing our leadership within the industry.
Our flagship innovation, the cutting-edge Safety Atex Valve, embodies the peak of hydraulic system control advancements. Meticulously designed for deployment in construction machinery and robust equipment, this essential component excels in critical sectors including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly maintain strategic partnerships with leading domestic manufacturers, significantly advancing the localization of essential hydraulic components for sophisticated mechanical equipment. Driven 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 delivering outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier 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.
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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.
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