Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage 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. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise 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 unwavering reliability, providing consistent and dependable performance that ensures smooth, efficient operations across your entire system. Experience unparalleled dependability that keeps your machinery running seamlessly, maintaining precise and flawless functionality like clockwork.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering exceptional flexibility to meet a diverse array of operational needs. Expertly tailored to adjust to dynamic demands, it ensures seamless transitions and unparalleled control for optimal efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forming a trustworthy operational framework: Meticulously engineered for impeccable performance, enhancing reliability in every application. This dependable design guarantees consistent, top-tier operation, elevating your system's capabilities.:
2-G3/8; Crafted for compact proficiency, it facilitates streamlined and seamless operational flows. Perfectly designed for precision, ensuring optimal performance even in the tightest spaces, meeting the most demanding standards with ease.
3-G1/2; Engineered for robustness and reliability, this connection provides a steadfast base for system integrity. Constructed to endure, it offers unwavering durability under the most challenging conditions, ensuring your system remains resilient over time.;
4-G3/4; Featuring cutting-edge connectivity, it delivers superior control and enhanced system integration. This sophisticated design elevates your system, seamlessly merging efficiency and control to enhance operational prowess.;
5, 55-G1; Equipped with superior flow rates, it is ideal for high-demand applications, ensuring consistent, reliable performance. Engineered for excellence, it effortlessly tackles high-pressure challenges, making it an essential component in demanding environments.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in challenging environments and handle obstacles with ease. This connection sets new benchmarks in power and performance, solidifying its status as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights: Unleashing operational potential with advanced components that redefine excellence, enhancing system performance to ensure your operations maintain industry-leading standards.:
C,Standard Type - A reliable and steadfast foundation, meticulously engineered to meet critical operational requirements. Offering enduring support and unmatched reliability, empowering your system to withstand the rigors of daily operations with confidence.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, heightening system efficiency. By ensuring operations are finely tuned for maximum effectiveness, it effortlessly optimizes your system's performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unrivaled performance and dependability. This component pushes the boundaries of traditional performance to deliver consistently extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Masterfully designed bespoke pressure control solutions for diverse applications: Exquisitely tailored to align with your exacting requirements, these solutions provide precision control that seamlessly integrates with your operational objectives, ensuring unparalleled performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting customized solutions that intuitively cater to your specific operational demands. With customizable configurations, you effortlessly realize your targeted outcomes with exceptional ease and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Achieving heightened efficiency and precise control: Ingeniously designed to amplify your system's functionality, this valve delivers unparalleled control and superior effectiveness, propelling your operations to new heights.C - No magnetic ball valve; F - Normally open magnetic ball valve, empowering the pump when energized and unloading it when de-energized; D - Normally closed magnetic ball valve, unloading the pump when energized and pressurizing it when de-energized; Providing meticulous precision tuning for unmatched system efficiency.D/F - Introducing an innovative, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with exceptional accuracy to maintain a precise pressure value. This engineering feat is designed to elevate advanced safety measures, optimizing operational security and reliability to new levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings from 63 to 400 bar levels. This component embodies adaptability, seamlessly conforming to every hydraulic demand. The /NF configuration allows systems without a pressure limiting valve, expertly designed for HLPSV, offering unmatched pressure control across a broad spectrum of applications.
(7) Product Series Classification - The Quintessence of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paradigm of exceptional design, meticulously crafted to address every application, guaranteeing you a product that seamlessly matches your distinct requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously crafted for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from an extensive selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and unparalleled efficiency.
(10) Valve core function symbols: Immerse yourself in a diverse array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy precise functional requirements.
(11) Output flow code for ports A & B: Experience peak operational efficiency with our selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is meticulously crafted for superior performance and consistent reliability.
(12) Secondary pressure limitation options: Select from our elite options to ensure optimal system safety: N, without pressure limiter; C, simultaneous pressure limitation for actuator ports A & B; A---B---, separate pressure limitation for ports A & B. Each option is precisely calibrated in bar, guaranteeing steadfast protection.
(13) Function ON/OFF and pressure outlet options: Tailor your control with our expertly designed selections: N, absence of function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF for side A; B, electrical ON/OFF for side B. Each option is engineered for exact and dependable functionality.
(14) Operation modes: Unleash full control with our versatile operation modes: A(1,2), manual control with adjustable handle lengths; E, electric proportional control; EA(1,2), integrates electric proportional control with manual operation; D, electric switching value control; DA(1,2), merges electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control, aligning pilot oil ports with ports A & B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is designed for precision and adaptability.
(15) Ancillary block port sizes: Discover unmatched adaptability with our precisely engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options ensure perfect compatibility and seamless integration with a variety of systems, ensuring efficiency and top-tier performance.
(16) End plate options: Delve into our expertly designed end plate solutions: E1, facilitates external discharge of pilot oil and external oil return control port T. E2 enhances E1 by including port Y for added flexibility; E3 features an advanced 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when active, ensuring top-notch performance.
E4 parallels E1 but creatively incorporates an internal discharge of pilot oil with a sealed port T for improved efficiency. E5 builds on E2's features with an internal discharge, securing high-level performance. E6 mirrors E3's innovative design, offering state-of-the-art discharge control for complex system needs.
(17) Control voltage and anti-explosion cable options: Choose from our robust selection, such as G12-12VDC, crafted for challenging applications with a focus on safety and dependability. Our solutions provide specialization and security.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.
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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