Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering feats are the epitome of hydraulic innovation, seamlessly merging pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unsurpassed performance and reliability across every application. These valves, typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - are meticulously engineered for integration into high-end hydraulic systems, essential for elite engineering machinery. They deftly govern the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under varying loads, delivering extraordinary performance and versatility for every application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Though HLPSV valves may exhibit a slightly slower response time, they excel in delivering superior energy-saving performance, establishing them as the ultimate choice for applications where efficiency reigns supreme. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect synergy 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 keystone of reliability, this pump delivers consistent and steadfast performance. It ensures your system operates smoothly and efficiently, maintaining optimal performance at all times.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, this pump provides extraordinary flexibility to meet a wide range of operational requirements. It adapts effortlessly, ensuring your system performs at its best under varying conditions.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, this connection port is designed to support streamlined and seamless operational flows, ensuring efficiency and ease of use.
3-G1/2; Engineered for robustness and reliability, this port provides a solid base for your system's integrity. It's built to endure and support high-performance demands.;
4-G3/4; Featuring advanced connectivity, this port offers superior control and enhanced system integration, allowing for seamless operational harmony.;
5, 55-G1; Equipped with superior flow rates, this port is ideal for high-demand applications and ensures consistent and reliable performance under pressure.;
6-G1 1/4; Delivering unmatched performance, this port is expertly designed to excel in demanding environments, tackling challenges effortlessly and reliably.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements and ensure dependable system function.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing the overall efficiency and responsiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability, ensuring optimal pressure regulation.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options provide tailored solutions to seamlessly meet your specific operational demands, ensuring effective pressure management.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: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; Each option provides precise control over system unloading, optimizing operational efficiency.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed for secondary pressure (F50). This state-of-the-art feature ensures a new pinnacle of safety, providing advanced security protocols that significantly enhance both operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component showcases adaptability, accommodating various hydraulic requirements effortlessly. For configurations without pressure limiting valves, /NF is meticulously designed for HLPSV, guaranteeing optimal pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an exemplar of engineering mastery, expertly constructed to cater to diverse applications, ensuring you receive a product that seamlessly aligns with your precise 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, engineered with precision for seamless integration and superior operation.
(9)Directional valve block inflow controller options: Choose from a multitude of options: 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 providing precision and unparalleled efficiency.
(10) Valve core function symbols: Delve into a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional needs with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with unmatched output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly engineered to deliver superior performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all rigorously measured in bar to ensure uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with options such as: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each option precisely engineered for exact control and functionality.
(14) Operation modes: Select from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Dive into a world of precise engineering and versatility with our array of ancillary block port sizes, crafted with dedication for effortless integration. Choose from our impeccable range: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each port size is a testament to flexibility, designed to seamlessly cater to your unique requirements.
(16) End plate options: Uncover the exceptional diversity of our custom-engineered end plate solutions. E1 offers a standard configuration with external pilot oil discharge and control port T for external oil return. E2 mirrors this but introduces an additional port Y for enhanced functionality. E3 transforms your system with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve standards when activated, ensuring optimal performance.
E4, echoing the design of E1, is distinguished by incorporating an internal pilot oil discharge and a sealed port T. E5 emulates E2 with the added benefit of an internal discharge. Step into the realm of E6, which embodies the advanced features of E3, each option promising refined discharge control and superior system efficiency.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our selection of specialized solutions. Opt for G12-12VDC, ideal for applications that demand the highest safety standards and compatibility without compromise.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has made a remarkable impact on the hydraulic industry through our groundbreaking innovations and unmatched excellence. As a proud subsidiary of the prestigious China Baoan Group (stock code: 000009), we are recognized as a distinguished national high-tech enterprise. Our exceptional prowess lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication propels us to the forefront of our industry, positioning us as leaders in our field.
Our enhanced Safety Atex Valve, the flagship product, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile and indispensable component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. Throughout this period, we engage in comprehensive preparations and exercise stringent quality control procedures, ensuring that each product reaches you in immaculate condition. Our unwavering dedication is to deliver flawlessly, ensuring your complete satisfaction with our impeccable service.
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Answer: We are delighted to offer an exceptionally low minimum order quantity, allowing you the freedom to order as little as a single piece for sample verification. This flexibility empowers you to start your projects with utmost ease and precision, meeting your exclusive needs seamlessly.
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