Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, seamlessly synthesizing pressure, flow, and directional control into one cohesive and harmonious masterpiece. This guarantees exceptional performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for integration into high-end hydraulic systems, which are 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 include a compact structure, superior energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering outstanding 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 - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled flexibility with adjustable pressure settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes versatility and precision engineering. For those who value simplicity, the /NF option signifies a configuration without a pressure limiting valve, specifically crafted for HLPSV. This remarkable feature guarantees superior pressure control across diverse scenarios, rendering it essential for all your hydraulic solutions.
(7) Product Series Classification - Setting the Benchmark for Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is exquisitely crafted to cater to every conceivable application, ensuring you receive a product impeccably aligned with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including additional ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for seamless integration.
(9)Directional valve block inflow controller options: Choose from a range of options: 1, without inflow controller; 2, the reliable standard inflow controller; 4, an advanced 3-way flow controller ideal for both inlet and outlet, highly suitable for the N 3/3-way valve; 5, a robust reinforced inflow controller; 8, pre-selectable features, all ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Delve into a vast selection of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully engineered to meet distinct functional demands.
(11) Output flow code for ports A & B: Achieve maximum efficiency with a wide array of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all tailored to deliver peak performance.
(12) Secondary pressure limitation options: Select between: N, option with no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all calibrated in bar, ensuring comprehensive system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with options including: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF for side A; B, electrical ON/OFF for side B, each meticulously designed for precise control.
(14) Operation modes: Experience a variety of operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control for refined adjustments; EA(1,2), a combination of electric proportional and manual control; D, electric switching value control; DA(1,2), integrated electric switching value and manual control; M, manual friction positioning with a long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from a spectrum of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and superior fit.
(16) End Plate Options: Discover customized end plate selections designed to meet your specific needs, including: E1 - Standard with external pilot oil discharge and external oil return control port T; E2 - Similar to E1, yet enhanced with an additional port Y; E3 - Featuring a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels when the power supply is active, offering superior control.
E4 - Similar to E1 but refines the process with internal pilot oil discharge, sealing port T; E5 - Reflects E2, enhanced with internal discharge for improved performance; E6 - Parallel to E3, each option ensures advanced discharge control, delivering unparalleled sophistication and reliability.
(17) Control Voltage & Anti-Explosion Cable Length Options: Choose from a range of options such as G12-12VDC, offering assurance of safety and compatibility with specialized applications, crafted to meet demanding industry standards.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 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 a meticulous preparation process and uphold stringent quality control measures, ensuring every product is delivered in impeccable condition. We prioritize your satisfaction, making sure your order arrives flawlessly.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an impressively low minimum order quantity, offering the flexibility to order even a single piece for sample verification. This adaptability allows you to begin your projects effortlessly, meeting specific requirements without any inconvenience.
Question:3. How to proceed with an order for LED lights?
Answer: Start by sending us your detailed requirements or intended applications. We will craft a tailored quote for your needs, guided by our expert advice. Once the drawings are confirmed and a deposit is placed, we will finalize and commence production, ensuring every specification is met with precision for a seamless custom 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. Ensure you inform us formally before production begins and confirm the design based on the sample we provide. This guarantees your branding is showcased with the utmost precision and quality, perfectly reflecting your identity.
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