Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels are the epitome of hydraulic innovation, flawlessly merging pressure, flow, and directional control into a single, cohesive piece of art. This integration guarantees unmatched performance and reliability across all applications. Typically composed of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless incorporation into elite hydraulic systems, indispensable for high-end engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and mastery in control. Key attributes include a compact design, exceptional energy efficiency, and the capability for stepless speed control. Additionally, they enable multiple actuators to function concurrently under varying loads, providing unrivaled performance and adaptability for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring unwavering and reliable operation in every context. Conversely, the HLPSV valves are masterfully designed for variable pump systems. Although HLPSV valves may have a slightly slower response, they excel in delivering extraordinary energy-saving performance, making them the ideal choice for applications prioritizing efficiency. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the superior solution for advanced hydraulic control needs, offering a perfect amalgamation of precision, dependability, 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 - This reliable cornerstone is the heart of your operation, delivering unwavering performance to ensure smooth and effective system functionality.;
HLPSV: Variable Displacement Pump - The embodiment of versatility, offering exceptional flexibility to meet a diverse array of operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision and trustworthiness converge to build a reliable operational framework::
2-G3/8; Artfully crafted for compact efficiency, it supports a smooth and seamless flow of operations.
3-G1/2; Designed for both durability and reliability, forming a sturdy foundation for your system's integrity.;
4-G3/4; Embraces advanced connectivity, offering superior control and improved system integration.;
5, 55-G1; Engineered with superior flow rates, perfect for applications with high demands, ensuring consistent and trustworthy performance.;
6-G1 1/4; Delivers unparalleled performance, designed to excel effortlessly in challenging and demanding environments.;
(3) Additional Components and Specifications - Lifting system capabilities to new levels of excellence::
C,Standard Type - A solid and dependable foundation, crafted with precision to meet fundamental operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives outstanding performance and reliability through superior flow management.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for a wide range of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option offers a customized solution to precisely meet your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered;D/F - Embodied with a meticulously precision-engineered pressure limiting valve set for secondary pressure (F50) at a defined pressure value. This state-of-the-art feature significantly enhances safety measures, ensuring impeccable operational security and steadfast reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace unparalleled versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, meeting every hydraulic requisite. The /NF specification denotes an absence of a pressure limiting valve, meticulously engineered for HLPSV, guaranteeing seamless and precise pressure management across a myriad of applications.
(7) Product Series Classification - The Quintessence of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterstroke, crafted to impeccably suit every application, ensuring you acquire a product that aligns perfectly with your precise needs.
(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, artfully engineered for effortless and seamless integration.
(9)Directional valve block inflow controller options: Select from an array: 1, without inflow controller; 2, standard inflow controller; 4, an elite 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision coupled with exceptional efficiency.
(10) Valve core function symbols: Explore a complete suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy distinct functional demands.
(11) Output flow code for ports A & B: Attain optimal efficiency with peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and dependability.
(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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 designed for meticulous control and functionality.
(14) Operation modes: Opt for diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis 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, designed for comprehensive and accurate control.
(15) Ancillary block port sizes: Select from flexible options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly crafted for seamless adaptability and integration.
(16) End plate options: Explore our expertly designed end plate options, crafted to cater to your specific needs: E1 is the standard choice, offering external discharge of pilot oil and an external oil return control port T. Experience E2, which is similar to E1 but is enhanced with an additional port Y for added efficiency. Then there's E3, innovatively equipped with a 2-position 3-way magnetic ball valve, raising your system's pressure to safety valve standards when powered, guaranteeing improved safety and control.
E4, akin to E1, but ingeniously incorporates an internal discharge of pilot oil along with a sealed port T for comprehensive control. E5 replicates the design of E2, also featuring an internal discharge mechanism for heightened efficiency. Meanwhile, E6 mirrors the elaborate design of E3, with each variant meticulously engineered to ensure superior discharge control.
(17) Control voltage and anti-explosion cable options: Opt for secure and versatile options such as G12-12VDC, specifically designed for safety and efficiency in challenging applications. Choose from this premium range, engineered to meet your specialized demands with precision and reliability.G24 is available to meet your needs for a robust and reliable 24VDC supply, ensuring optimal performance.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - offering a comprehensive selection to suit various operational requirements.12 - providing a solid choice for your 12VDC applications, ensuring dependable performance.bb621436
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.
Introducing the MSHA Valve for Enhanced Safety and Load Sensitive Control in Cranes-a groundbreaking innovation that redefines excellence in hydraulic system control. This flagship product, our load-sensitive proportional valve, stands as a testament to our commitment to advanced engineering. Meticulously designed for use in construction machinery and robust heavy-duty equipment, this versatile component is indispensable in critical and high-stakes environments, including 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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