Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, skillfully integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Meticulously composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are crafted for seamless integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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 - A critical component of your operations, this pump guarantees steady and unfaltering performance, ensuring seamless and efficient workflows.;
HLPSV: Variable Displacement Pump - This pump showcases remarkable adaptability and versatility, providing unmatched flexibility to cater to a range of operational scenarios.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here, ensuring steadfast and dependable system operations::
2-G3/8; Crafted for efficient compactness, this port is designed to foster streamlined and uninterrupted system flows.
3-G1/2; Engineered with robustness, this port offers a dependable backbone for your entire system.;
4-G3/4; Facilitating advanced connectivity, this option ensures superior control and enhanced integration within your system.;
5, 55-G1; Ideal for high-demand tasks, its superior flow rate guarantees consistent performance under the most demanding conditions.;
6-G1 1/4; Delivering unparalleled performance, this port is tailored to excel and overcome challenges in the field.;
(3) Additional Components and Specifications - Elevate your system capabilities with these top-tier components::
C,Standard Type - This reliable baseline is crafted to meet your essential operational needs with trust and efficiency.;
G,Throttle Valve (For HLPSL only) - Designed for precise control, it enhances the overall efficiency of your system operations.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This component optimizes flow management, ensuring peak performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customize your pressure control solutions to fit varied application needs seamlessly:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options provide bespoke solutions tailored to meet your specific operational requirements with ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance efficiency and command with this control component:C - No magnetic ball valve; F - Normally open magnetic ball valve, when powered pressurizes the pump and unpowers it for unloading; D - Normally closed magnetic ball valve, when powered enables unloading and powers it for pressurization.D/F - Equipped with a pressure limiting valve designated for secondary pressure (F50), this product ensures precision and safety with a predetermined pressure value. It provides advanced safety measures, safeguarding operations and boosting efficiency.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This highly adaptable feature allows for settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, depicting versatility and precision. For simplicity, the /NF option eliminates the pressure limiting valve, specifically engineered for HLPSV, ensuring optimal pressure control across diverse scenarios-an indispensable asset for sophisticated hydraulic systems.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is carefully customized to meet every unique application, ensuring that you acquire a product engineered to fulfill your specific needs with precision and reliability.
(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, specifically designed for seamless integration and enhanced operational performance.
(9)Directional valve block inflow controller options: Select from: 1, no inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, perfectly designed for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each crafted for unmatched precision and efficiency.
(10) Valve core function symbols: Discover a wide selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet distinct functional requirements with unparalleled effectiveness.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, specifically tailored to deliver optimal performance and reliability.
(12) Secondary pressure limitation options: Choose 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 accurately measured in bar, ensuring robust system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customizable features 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 designed for precision and enhanced control.
(14) Operation modes: A variety of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining 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 and robust control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, specifically engineered for seamless adaptability and integration within a wide range of systems.
(16) End Plate Options: Immerse yourself in a realm of tailored precision with our diverse end plate selections, meticulously crafted to cater to your every need. Choose from E1, our standard option, offering an external discharge of pilot oil accompanied by an external oil return control port T. Elevate your system's functionality with E2, which mirrors E1 but introduces an additional port Y for even greater versatility. For those seeking advanced safety, E3 is equipped with a 2-position, 3-way magnetic ball valve that enhances system pressure to match safety valve standards during power supply, ensuring unparalleled reliability.
E4 offers a unique twist on E1 by incorporating an internal discharge of pilot oil, sealing off port T with finesse. Experience the similar compact efficiency with E5, echoing E2's design but with an internal discharge feature. For elite discharge control, E6 is akin to E3, masterfully engineered to maintain sophistication and precision.
(17) Control Voltage and Anti-Explosion Cable Length Options: Our versatile options in control voltage and cable lengths ensure your operations are always at peak safety and efficiency. Choose from the robust G12-12VDC, crafted for safety and perfectly compatible with specialized applications.G24-Explore our range of superior safety solutions with options like 24VDC, G24Ex-3m-24VDC, and G12Ex-3m-12VDC. Opt for G24MA-3m-24VDC for unparalleled performance and security.12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our dedicated efforts in research, development, manufacturing, and marketing of premium hydraulic components are unmatched. Our honor as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our commitment to technological advancement and superior quality, positioning us as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this essential component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with numerous leading domestic manufacturers, crucially contributing to the localization of core hydraulic components for high-end mechanical equipment. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-drives us to consistently deliver outstanding 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: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.
Question:2. Do you have any MOQ limit for LED light orders?
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?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
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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