Embrace a new frontier in hydraulic technology with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Elevate your systems beyond mere components; envision a masterpiece of engineering excellence and cutting-edge hydraulic innovation. Effortlessly blending pressure, flow, and directional control into one seamless, unified powerhouse, these valves deliver exceptional performance and steadfast reliability in any situation. Consisting of three core functional modules-connecting blocks, directional valves, and end plates-these valves are crafted with precision for integration into top-tier hydraulic systems, essential for high-caliber engineering machinery. They deftly manage the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a streamlined, compact design, superior energy efficiency, and the ability for seamless, stepless speed control. Additionally, they enable multiple actuators to function simultaneously under diverse loads, offering unrivaled performance and adaptability for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems that guarantee consistent and dependable operation under any circumstance. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. While HLPSV valves might exhibit a marginally slower response, their extraordinary energy-saving capabilities make them stand out, rendering them the ideal choice when efficiency is paramount. With avant-garde engineering and a focus on energy conservation, HLPSV valves emerge as the leading solution for sophisticated hydraulic control demands, presenting an impeccable blend of precision, dependability, and energy 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 - This steadfast cornerstone of dependability delivers unwavering and consistent performance, ensuring seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers exceptional flexibility to cater to a wide spectrum of operational requisites.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a steadfast operational framework::
2-G3/8; Crafted for compact efficiency, it is designed to support smooth and uninterrupted operational flows.
3-G1/2; Engineered for robust performance and dependability, offering a solid foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, this offers superior control and enhances system integration.;
5, 55-G1; With superior flow rates, it's perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering peerless performance, this component is expertly designed to thrive in challenging environments and tackle obstacles seamlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - Experience optimal fluid control without a magnetic ball valve. F - Enjoy the reliability of a normally open magnetic ball valve, which enables pump pressurization when powered and safely unloads when unpowered. D - Benefit from a normally closed magnetic ball valve that efficiently supports pump unloading when powered and ensures pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve crafted for secondary pressure (F50). This state-of-the-art feature guarantees enhanced safety protocols, dramatically boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unprecedented versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a broad spectrum of hydraulic needs. For effortless configurations, /NF denotes no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering masterpiece, expertly designed to cater to diverse applications, providing you with 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; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for flawless integration and operation.
(9)Directional valve block inflow controller options: Select from a superior array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, crafted specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and superior efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N - each precisely engineered to meet specific functional needs.
(11) Output flow code for ports A & B: Maximize system efficiency with optimal output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed for superior performance and reliability.
(12) Secondary pressure limitation options: Choose 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 measured in bar, ensuring 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 meticulously engineered for precise 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 fusion 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 meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Unleash the power of precision with our meticulously crafted port size options, engineered for seamless adaptability and integration. Choose from expertly designed selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each provides the pinnacle of flexibility, tailored to meet your exact requirements with unmatched efficiency.
(16) End plate options: Immerse yourself in our exceptional portfolio of finely tailored end plate solutions. E1 stands as the standard bearer, featuring an external discharge of pilot oil and an external oil return control port T. Elevate to E2 for an enhanced experience, offering an additional port Y. Discover the cutting-edge innovation of E3, which integrates a 2-position 3-way magnetic ball valve. This elevates your system's pressure to the pinnacle of safety valve levels when powered, ensuring unparalleled performance and reliability.
E4, akin to E1, distinguishes itself with an internal discharge of pilot oil and a sealed port T. E5 mirrors E2's excellence, now with internal discharge capabilities. Step into the future with E6, echoing the advanced design of E3. Each variant promises superior discharge control, ensuring your system operates with peak efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive array of tailored solutions. Opt for G12-12VDC, ideal for specialized applications that demand absolute safety and compatibility without compromise.G24: Your go-to choice for robust performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selections with these options, designed for maximum efficiency and adaptability in various demanding environments.12: A symbol of precision and reliability, tailored for impeccable integration into your systems.bb621436: The code of excellence representing a benchmark in our innovative design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become a beacon of innovation and excellence in the hydraulic industry. As a prestigious arm of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a distinguished national high-tech enterprise. Specializing in the meticulous research, development, manufacturing, and sales of premium hydraulic components, our national designation as a 'specialized, refined, and innovative' small giant enterprise speaks volumes of our dedication to technological advancement and superior quality. This relentless drive for excellence positions us as leaders in our field.
Introducing our enhanced Safety Atex Valve, a flagship product that represents the pinnacle of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile component is essential for critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are honored to collaborate with leading domestic manufacturers in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are committed to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards 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. 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. With every step, we ensure that your expectations are not just met but exceeded, delivering excellence right to your doorstep.
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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. Our approach is designed to support your aspirations, enabling you to bring your vision to life with minimal constraints.
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