Presenting our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic excellence. These advanced engineering marvels set a new standard in innovation by seamlessly uniting pressure, flow, and directional control into a single, unified masterpiece. Experience unmatched performance and reliability across all applications. These valves are comprised of three core functional modules - connecting blocks, directional valves, and end plates - each crafted with precision for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They expertly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring exceptional precision and control. Key benefits include a compact design, outstanding energy efficiency, and the ability for stepless speed control. Furthermore, they enable multiple actuators to function in harmony under varying loads, providing unparalleled performance and versatility for any application.
The HLPSL valves are precisely designed for constant displacement pump systems, guaranteeing dependable and consistent operation across diverse settings. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. Although HLPSV valves may display a marginally slower response, they excel in delivering remarkable energy-saving performance, making them the premier choice for efficiency-driven applications. With their state-of-the-art engineering and energy-conscious design, HLPSV valves emerge as the top-tier solution for sophisticated hydraulic control needs, offering an impeccable fusion 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 bedrock of steady and unwavering performance, ensuring your operations proceed without a hitch, maintaining peak efficiency.;
HLPSV: Variable Displacement Pump - Embodying versatility and adaptability, offering superior flexibility to cater to a wide array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where exactitude meets dependability, ensuring operations you can trust::
2-G3/8; Crafted for compact proficiency, facilitating streamlined and seamless operational currents.
3-G1/2; Engineered for strength and reliability, providing a robust backbone for your system.;
4-G3/4; Enabling advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; With an exceptional flow rate, this choice is ideal for high-demand scenarios, ensuring unwavering performance.;
6-G1 1/4; Delivering unmatched performance, crafted to excel in the field and conquer challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable and trustworthy foundation, tailored to satisfy your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees accuracy in control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and trustworthiness.;
(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 tailored solutions to seamlessly meet your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and amplifying 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;D/F - Comes equipped with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; providing cutting-edge safety measures to secure operations efficiently and reliably.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Presenting adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component truly epitomizes versatility and precision. For those who prefer simplicity, /NF indicates no pressure limiting valve, meticulously designed for HLPSV. This invaluable feature assures optimal pressure control across various scenarios, making it indispensable for all your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous care to suit every specific application, ensuring that you receive a product that impeccably meets 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 versatile ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully crafted for seamless integration and functionality.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each tailored to guarantee precision and efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill distinctive functional requirements for optimal performance.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously tailored for optimal performance and effectiveness.
(12) Secondary pressure limitation options: Choose wisely between: 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 robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customizable options include: 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 engineered for precision control and superior functionality.
(14) Operation modes: Diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a dynamic 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, engineered for comprehensive control and adaptability.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly engineered for seamless adaptability and integration.
(16) End Plate Options: Discover our bespoke end plate selections tailored to your needs: E1, the standard choice, features external discharge of pilot oil and an external oil return control port T, ensuring optimal system performance. E2 builds upon E1 with an added port Y for enhanced versatility. E3 elevates your system with a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels when power is supplied, ensuring maximum protection.
E4 mirrors the functionality of E1 but offers an internal discharge of pilot oil while sealing port T, providing a more integrated solution. E5 takes E2's advancements with the added benefit of internal discharge. E6, akin to E3, offers sophisticated discharge control, ensuring your system is always at its peak operational efficiency.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from our G12-12VDC option, designed for safety and compatibility with even the most specialized applications, giving you peace of mind in demanding environments.G24-24VDC; Enhance your selections with G24Ex-3m-24VDC, ensuring safety with anti-explosion features. Choose G12Ex-3m-12VDC for lower voltage needs or opt for G24MA-3m-24VDC for high-performance applications. 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 flagship product, the load-sensitive proportional valve, epitomizes 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.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
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Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
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Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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