Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel of engineering that sets a new standard in hydraulic innovation. These cutting-edge creations elegantly blend pressure, flow, and directional control into a seamless and unified system. This integration guarantees exceptional performance and reliability in every application. Crafted with meticulous precision, the valves typically comprise three vital functional modules: connecting blocks, directional valves, and end plates, each designed to mesh perfectly with high-end hydraulic systems essential for top-level engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key highlights include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Moreover, they enable multiple actuators to function concurrently under differing loads, providing unmatched performance and versatility across a wide range of applications.
The HLPSL valves are meticulously customized for constant displacement pump systems, ensuring unwavering and dependable operation across all environments. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they offer superior energy-saving performance, establishing them as the optimal choice for applications where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the leading solution for sophisticated hydraulic control needs, presenting 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, known for its unwavering and dependable performance. This pump ensures smooth, efficient operations, making it the perfect choice for maintaining system consistency and effectiveness.;
HLPSV: Variable Displacement Pump - A symbol of flexibility and adaptability, this pump offers remarkable versatility to cater to a diverse array of operational needs and challenges.;
(2) Connection Block Ports P & R Specifications - Where precision intertwines with reliability, crafting a dependable operational structure::
2-G3/8; Specifically tailored for compact efficiency, this port is designed to foster streamlined, seamless operational processes.
3-G1/2; Built for strength and reliability, this port serves as a robust foundation, ensuring the integrity of your system.;
4-G3/4; Offering advanced connectivity, this port provides superior control and bolsters enhanced system integration.;
5, 55-G1; With superior flow rates, this port is ideal for high-demand applications, delivering consistent and reliable performance.;
6-G1 1/4; This port delivers unparalleled performance, expertly crafted to excel in challenging environments and overcome obstacles with ease.;
(3) Additional Components and Specifications - Taking system capabilities to extraordinary heights::
C,Standard Type - A steadfast and trusted foundation, meticulously engineered to meet core operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for a variety of 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 address your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing it when unpowered;D/F - Elevate your safety standards to new heights with our precision-engineered pressure limiting valve crafted specifically for secondary pressure (F50). This cutting-edge feature ensures the implementation of advanced safety protocols, significantly boosting operational security and reliability, providing you with the peace of mind you deserve.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, perfectly catering to diverse hydraulic needs. For seamless configurations, /NF indicates no pressure limiting valve, specifically tailored for HLPSV, guaranteeing flawless pressure management across an extensive range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering masterpiece, carefully crafted to meet a diverse array of applications, offering you a product that perfectly 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, precisely engineered for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Discover a wide selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and outstanding efficiency.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional requirements with accuracy.
(11) Output flow code for ports A & B: Maximize operational efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver superior performance and unwavering 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 measured in bar, ensuring unrivaled system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with options like: 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 engineered with precision for exact control and functionality.
(14) Operation modes: Choose from a wide range of operation modes: A(1,2), manual operation with the option of a 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 meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Immerse yourself in the world of precision with our meticulously crafted ancillary block port options. Designed for seamless adaptability and effortless integration, select from our expertly engineered choices: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option epitomizes the essence of flexibility, perfectly tailored to meet your specific requirements, ensuring your system's optimal performance.
(16) End plate options: Dive into our extraordinary array of finely tailored end plate solutions, each crafted to perfection. E1 offers the standard configuration featuring an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but is enhanced with an additional port Y for expanded functionality. Experience the cutting-edge innovation of E3, equipped with a 2-position 3-way magnetic ball valve. This option elevates your system's pressure to safety valve levels when powered, ensuring superior performance and reliability.
E4, while sharing the design fundamentals of E1, distinguishes itself by incorporating an internal discharge of pilot oil with a sealed port T, adding a layer of refined sophistication. E5 replicates the advanced capabilities of E2 with an internal discharge feature, offering enhanced adaptability. Delve into the sophistication of E6, which reflects the avant-garde design of E3, each variant guaranteeing enhanced discharge control and optimal system efficiency.
(17) Control voltage and anti-explosion cable options: Ensure unmatched safety and reliability with our comprehensive range of tailored control voltage and anti-explosion cable solutions. Choose G12-12VDC for specialized applications that demand uncompromising safety and seamless compatibility.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile 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.
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