Introducing our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These exceptional feats of engineering represent the pinnacle of hydraulic innovation, masterfully combining pressure, flow, and directional control into a single, cohesive system. This remarkable integration guarantees unmatched performance and reliability across a wide array of applications. Typically consisting of three essential components - connecting blocks, directional valves, and end plates - these precision-crafted valves are engineered for flawless integration into top-tier hydraulic systems, critical for superior engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Additionally, they allow multiple actuators to function simultaneously under varying loads, providing extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and dependable operation in any setting. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in delivering exceptional energy-saving performance, making them the optimal choice in scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand 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 steadfast performance and unwavering reliability. This pump ensures your machinery operates smoothly and efficiently, maintaining perfect functionality with consistent output. Experience unmatched dependability that keeps your operations running like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Embodying the epitome of flexibility and adaptability, this pump meets a diverse range of operational requirements with ease. It is designed for seamless transitions and superior control, allowing you to optimize efficiency and adapt effortlessly to any situation.;
(2) Connection Block Ports P & R Specifications - Precision and reliability form the backbone of this operational framework. Expertly crafted for flawless performance, this design enhances reliability in every application, ensuring a consistent, high-quality operational experience.:
2-G3/8; Designed with compact efficiency in mind, it supports smooth and streamlined operational flows. Precision-engineered for tight spaces, it guarantees optimal performance, ensuring every operation meets rigorous standards.
3-G1/2; Built for robustness, this connection ensures system integrity with unwavering durability. Perfectly suited for demanding environments, it offers a reliable foundation that endures the test of time.;
4-G3/4; With advanced connectivity, it provides superior control and enhanced system integration. This sophisticated design elevates your system, merging efficiency and control to enhance your operational capabilities.;
5, 55-G1; Known for superior flow rates, this component excels in high-demand applications, delivering consistent and reliable performance. It tackles high-pressure challenges with ease, making it an indispensable part of any rigorous environment.;
6-G1 1/4; Masterfully designed for unmatched performance in demanding scenarios, this connection sets new standards for power and efficiency, ensuring it stands as a leader in the industry.;
(3) Additional Components and Specifications - Take your system capabilities to new heights with these advanced components. They redefine excellence in performance, ensuring your operations stay at the cutting edge of industry standards.:
C,Standard Type - A steadfast and reliable foundation that meets essential operational demands. This meticulously designed component provides unwavering support, ensuring your system withstands the challenges of daily use with unmatched reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control and enhances system efficiency. By fine-tuning operations for maximum effectiveness, it effortlessly optimizes the performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. This component redefines traditional performance standards by consistently delivering exceptional results and pushing the boundaries of excellence.;
(4) Pilot Oil Circuit Pressure Options - Custom-crafted for demanding applications, these solutions provide precision control that seamlessly aligns with your unique operational goals. Experience bespoke pressure control solutions tailored to your exact specifications.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These customizable solutions effortlessly adapt to your specific operational needs, offering unparalleled convenience and ensuring you achieve your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control: Masterfully designed for optimal performance, delivering unmatched control and extraordinary effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered; A precision solution for superior system efficiency.D/F - A groundbreaking pressure limiting valve for secondary pressure (F50), meticulously engineered to maintain precise pressure levels. This marvel of engineering significantly boosts advanced safety measures, elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility with adjustable settings ranging from 63 to 400 bar. This component epitomizes adaptability, expertly accommodating every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, tailored for HLPSV, delivering extraordinary pressure control.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, expertly created to meet every application, ensuring you obtain a product that perfectly fits your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for impeccable integration and flawless functionality.
(9)Directional valve block inflow controller options: Select from a wide range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each designed for precision and exceptional efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with precision.
(11) Output flow code for ports A & B: Elevate your hydraulic system to new heights of performance with our expertly designed maximum output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is crafted to deliver exceptional efficiency and steadfast reliability, ensuring your operations run smoothly and without interruption.
(12) Secondary pressure limitation options: Discover unparalleled system safety with our premium pressure limitation options: N, offering no pressure limiting protection for those who need it; C, delivering concurrent pressure limitation for actuator ports A & B, ensuring balanced protection; A---B---, providing independent pressure limitation for ports A & B for tailored security. Each choice is measured precisely in bars, guaranteeing uncompromised safety.
(13) Function ON/OFF and pressure outlet options: Tailor your control system to perfection with our strategic selections: N, for setups without function ON/OFF or pressure outlet; X, equipped with C type pressure limitation; S/S1, featuring AB type pressure limitation for precise control; A, enabling electrical ON/OFF controls on side A; B, allowing for electrical ON/OFF on side B. Each solution is engineered for unmatched precision and dependability.
(14) Operation modes: Experience the pinnacle of control and adaptability with our robust operation modes: A(1,2), offering manual operation with either long or short handle; E, delivering refined electric proportional control; EA(1,2), a seamless blend of electric proportional control with manual operation; D, featuring electric switching value control; DA(1,2), combining electric switching value control with manual operation for optimal flexibility; M, presenting manual friction positioning with a long handle; H, providing pure hydraulic control with aligned pilot oil ports and ports A and B; F, offering pure hydraulic control with perpendicular pilot oil ports. Each mode is designed for superior precision and adaptability.
(15) Ancillary block port sizes: Embrace exceptional versatility with our meticulously crafted port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These thoughtfully engineered options ensure seamless integration and adaptability across a range of systems, delivering peak performance and operational efficiency.
(16) End plate options: Delve into our expertly designed end plate solutions: E1, ensuring an external discharge of pilot oil with external oil return control port T. E2, enhancing E1 by adding port Y for increased flexibility. E3, featuring a sophisticated 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when activated, maximizing performance and reliability.
E4 mirrors E1 but integrates an innovative internal discharge of pilot oil with a sealed port T, enhancing efficiency and performance. E5, building on E2, offers internal discharge for supreme functionality. E6, reflecting the advanced design of E3, delivers top-tier discharge control for intricate system demands, ensuring excellence.
(17) Control voltage and anti-explosion cable options: Opt from our secure array of options including G12-12VDC, engineered for rigorous applications prioritizing safety and reliability. Our specialized selections guarantee secure and efficient operations across various demanding environments.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 ascended to prominence as a symbol of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is acclaimed as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our expertise is unrivaled, encompassing exhaustive research, development, manufacturing, and sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, fortifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, epitomizing the zenith of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a critical role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unyielding in our quest to deliver extraordinary 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 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.
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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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