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 reliability, providing unwavering and continuous performance. It ensures your system operates with unmatched smoothness, precision, and efficiency, guaranteeing that your machinery functions flawlessly and consistently.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump offers remarkable flexibility to cater to diverse operational requirements. It seamlessly adjusts to dynamic demands, offering unparalleled control and efficiency for optimal system performance.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, crafting a dependable operational framework: Expertly engineered for flawless performance, this design enhances reliability across all applications, ensuring a consistently high standard of operation.:
2-G3/8; Engineered for compact efficiency, this connection supports seamless and streamlined operational flows. It is precisely crafted to guarantee optimal performance even in the most constrained spaces, ensuring all operations adhere to exacting standards.
3-G1/2; Designed for durability and reliability, this connection provides a robust foundation for system integrity. Built to withstand even the most demanding conditions, it ensures your system's longevity and resilience over time.;
4-G3/4; Offering advanced connectivity, this connection enhances system control and integration. This sophisticated design elevates system performance, combining efficiency and control to boost operational capabilities.;
5, 55-G1; Providing superior flow rates, it is ideal for high-demand applications, delivering consistent and reliable performance. Expertly designed, it handles high-pressure challenges effortlessly, making it an indispensable component in demanding environments.;
6-G1 1/4; Offering unparalleled performance, it excels in demanding environments and handles challenges with ease. This connection sets new standards in power and performance, establishing itself as a leader in the industry.;
(3) Additional Components and Specifications - Raising system capabilities to new heights: With advanced components, this section enhances operational excellence, ensuring your system performs at the peak of industry standards.:
C,Standard Type - A trusted and reliable foundation, carefully engineered to meet core operational needs. It provides unwavering support and unmatched reliability, empowering your system to withstand the challenges of daily operations.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing system efficiency. By fine-tuning operations for maximum effectiveness, it effortlessly optimizes system performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering exceptional performance and reliability. This component excels beyond traditional standards, consistently producing extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Presenting bespoke pressure control solutions tailored for diverse applications: Meticulously crafted to meet your exact demands, ensuring precision control that perfectly aligns with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom solutions that effortlessly adapt to your specific operational needs. Tailored configurations guarantee your desired outcomes with exceptional convenience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Masterfully designed to boost your system's performance, providing unmatched control and exceptional efficiency.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; Delivering precision tuning for unmatched system efficiency.D/F - Introducing an innovative, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with extraordinary precision to maintain a precisely defined pressure value. This engineering achievement is designed to significantly enhance advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents adaptability, seamlessly accommodating every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across a wide range of applications.
(7) Product Series Classification - A Masterpiece of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully conceived to address every application, ensuring you acquire a product that seamlessly aligns 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; Includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of choices: 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 offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional needs.
(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 unwavering reliability.
(12) Secondary pressure limitation options: Elevate your system's safety with our exclusive pressure limitation selections, ensuring unparalleled protection: N, offering no pressure limiting protection for straightforward applications; C, providing concurrent pressure limitation for actuator ports A & B, ensuring balanced operation; A---B---, delivering independent pressure limitation for ports A & B, allowing tailored solutions for complex systems. Each option is meticulously measured in bar, guaranteeing the highest standards of protection and reliability.
(13) Function ON/OFF and pressure outlet options: Personalize your system controls with our expertly curated options: N, a streamlined choice without function ON/OFF or pressure outlets for simplified systems; X, featuring C type pressure limitation for enhanced control; S/S1, offering AB type pressure limitation for versatile applications; A, integrating electrical ON/OFF on side A for focused control; B, incorporating electrical ON/OFF on side B for precision. Every option is designed with engineering excellence for reliable and precise functionality.
(14) Operation modes: Achieve superior control with our wide range of operation modes: A(1,2), allowing manual operation with a choice of long or short handle for flexibility; E, providing electric proportional control for advanced management; EA(1,2), a blend of electric and manual control for dynamic operation; D, electric switching value control for responsive adjustments; DA(1,2), combining electric switching and manual operation for versatility; M, manual friction positioning with a long handle for firm control; H, offering pure hydraulic control aligning pilot oil ports with ports A and B; F, delivering hydraulic control with perpendicular pilot oil ports. Each mode is crafted with precision for ultimate versatility.
(15) Ancillary block port sizes: Discover unmatched adaptability with our precisely engineered port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These sizes are designed to offer seamless integration and adaptability across various systems, ensuring operational efficiency and peak performance every time.
(16) End plate options: Dive into our expertly designed end plate solutions: E1, crafted for external discharge of pilot oil and external control port T, ensuring system integrity. E2, advancing E1 with the integration of port Y, offers enhanced flexibility; E3, featuring a sophisticated 2-position, 3-way magnetic ball valve, introduces system pressure to safety valve levels upon activation, delivering maximum performance and reliability.
E4 mirrors E1, ingeniously incorporating an internal discharge of pilot oil along with a sealed port T for improved efficiency. E5 enriches E2 with an internal discharge, delivering unparalleled performance. E6 reflects the advanced design of E3, delivering state-of-the-art discharge control, tailored for complex system demands.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure range designed to meet rigorous safety and reliability standards: G12-12VDC, crafted for challenging applications where safety is paramount. Our offerings are built to provide specialized solutions with superior 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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