Prepare to be part of a groundbreaking evolution in hydraulic technology with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they represent a stunning fusion of exceptional engineering precision and revolutionary hydraulic innovation. By harmoniously merging pressure, flow, and directional control into one unified system, our valves deliver superior performance and steadfast reliability across all applications. Expertly crafted with immaculate precision, the valves encompass three essential functional modules - connecting blocks, directional valves, and end plates - each designed with unrivaled attention to detail for seamless integration into elite hydraulic systems, crucial for the finest engineering machinery. These sophisticated valves meticulously manage the direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Noteworthy features include a modern, compact design, excellent energy efficiency, and infinitely variable speed adjustment. Furthermore, they empower numerous actuators to function concurrently under varying loads, offering extraordinary performance and adaptability across a vast range of applications.
The HLPSL valves are precisely designed for constant displacement pump systems, ensuring unwavering and dependable operations in any circumstance. Conversely, the HLPSV valves are carefully developed for variable pump systems. Despite potentially having a slightly slower response, HLPSV valves distinguish themselves with remarkable energy-saving features, making them the perfect choice where efficiency is critical. These valves, with their cutting-edge engineering and environmentally-friendly design, emerge as the ultimate solution for sophisticated hydraulic control requirements, integrating flawless precision, reliability, and energy efficiency into one cohesive package.
| 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 resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Featuring a non-magnetic ball valve, F - A normally open magnetic ball valve that powers pressurization and allows unloading when unpowered, D - A normally closed magnetic ball valve that facilitates unloading when powered and pressurizes when unpowered; these configurations provide dynamic control and efficiency.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, specifically crafted for secondary pressure (F50). This cutting-edge feature ensures ultra-reliable safety protocols, significantly boosting operational security and dependability.
(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 epitomizes adaptability and meets an expansive array of hydraulic needs. For configurations without a pressure limiting valve, /NF is tailor-made for HLPSV, delivering flawless pressure management for diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, meticulously designed to satisfy a wide range of applications, ensuring you receive a product that precisely fits 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 flawless integration and performance.
(9)Directional valve block inflow controller options: Explore a versatile selection of options: 1, without inflow controller; 2, standard inflow controller; 4, enhanced 3-way flow controller for inlet and outlet, tailored for the N 3/3-way valve; 5, superior inflow controller; 8, pre-selectable options, each crafted for precision and outstanding efficiency.
(10) Valve core function symbols: Discover a diverse array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to deliver specific functional solutions.
(11) Output flow code for ports A & B: Maximize efficiency with outstanding output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly engineered for 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 measured in bar, ensuring unmatched system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with precision using 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 is engineered for precise control and unmatched functionality.
(14) Operation modes: Immerse yourself in a world of operational versatility with our exquisite range of modes: A(1,2), manual operation available with long or short handle; E, refined electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation; D, precise electric switching value control; DA(1,2), an elegant combination of electric switching value control and manual operation; M, sophisticated manual friction positioning with long handle; H, pure hydraulic control aligning pilot oil ports with A and B ports; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously engineered for ultimate precision and comprehensive control.
(15) Ancillary block port sizes: Elevate your system's potential with our meticulously engineered port size solutions, designed for flawless adaptability and seamless integration. Choose from our expertly crafted selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is tailored with precision to meet your exact requirements, offering unparalleled flexibility and exceptional efficiency.
(16) End plate options: Discover our exceptional array of precision-engineered end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Experience elevated functionality with E2, featuring an additional port Y. E3 introduces a breakthrough with a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve standards when energized, ensuring unmatched performance and reliability.
E4 mirrors E1's excellence with internal pilot oil discharge and a sealed port T. E5 enhances E2's design with internal discharge capabilities. Embrace cutting-edge technology with E6, embodying E3's innovative design. Each variant promises superior discharge control, ensuring your system operates with peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive suite of expertly tailored solutions. Choose G12-12VDC for specialized applications that require uncompromising safety and compatibility.G24: The ultimate choice for robust performance and unwavering dependability, ensuring your system's reliability under all conditions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Augment your strategic selection with these options, engineered for peak efficiency and adaptability in a variety of demanding environments.12: A testament to precision and reliability, crafted for seamless integration into your systems and flawless operation.bb621436: The code of excellence, establishing a standard in our pioneering design, synonymous with innovation and superior performance.
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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