Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations symbolize the zenith of hydraulic innovation, seamlessly fusing pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for 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 expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While 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 - This is the heart of stability and reliability, ensuring your operations flow with consistency and precision.;
HLPSV: Variable Displacement Pump - The epitome of versatility and innovation, offering unmatched adaptability to suit a wide array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision flawlessly harmonizes with reliability, ensuring operations you can trust::
2-G3/8; Engineered for compact efficiency, providing a seamless and streamlined flow that caters perfectly to operational excellence.
3-G1/2; Designed to withstand, offering a rock-solid foundation that ensures dependable and robust performance.;
4-G3/4; Delivering advanced connectivity, enhancing control and elevating system integration to superior levels.;
5, 55-G1; Ideal for high-demand applications, it provides an exceptional flow rate, guaranteeing unwavering performance.;
6-G1 1/4; Unrivaled in performance, crafted to excel in challenging environments, surmounting obstacles with ease.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented heights::
C,Standard Type - A dependable and steadfast baseline, expertly tailored to meet your fundamental operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, boosting overall system efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow dynamics, fostering superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control solutions expertly designed for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions seamlessly aligning with your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads when powered, pressurizes when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Incorporating advanced safety measures for secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Elevate your hydraulic systems with the epitome of versatility and precision, offering adjustable settings from 63 to 400 bar levels. Whether you seek the pinnacle of customizable control or the simplicity of our /NF option (no pressure limiting valve) tailored specifically for HLPSV, our solution assures optimal pressure management across a multitude of scenarios, making it an indispensable choice for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Experience unparalleled customization where each series is meticulously crafted to meet the specific demands of your application, ensuring that you receive a product that aligns perfectly with 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 ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, robust inflow controller; 8, pre-selectable options, each engineered for optimal precision and efficiency.
(10) Valve core function symbols: Uncover an extensive suite of core functionalities: L, M, F, H, J, B, R, O, N, each intricately designed to cater to unique functional demands.
(11) Output flow code for ports A & B: Unlock maximum efficiency with a range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, ensuring unparalleled performance and precision.
(12) Secondary pressure limitation options: Opt for tailored protection: N, no pressure limiting safeguard; C, concurrent pressure limitation at actuator ports A & B; A---B---, distinct pressure limitation for ports A & B, all calibrated in bar to ensure robust system security.
(13) Function ON/OFF and pressure outlet options: Discover customizable features including: N, no function ON/OFF or pressure outlet; X, C type pressure restriction; S/S1, AB type pressure restriction; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each crafted for meticulous control.
(14) Operation modes: Explore diverse modes of operation: A(1,2), manual with optional long or short handle; E, electric proportional control; EA(1,2), a synergy 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 an extended handle; H, pure hydraulic control with pilot oil ports aligned with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive management.
(15) Ancillary block port sizes: Choose from an array of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for effortless adaptability and seamless integration with your existing systems.
(16) End plate options: Explore our customized end plate selections that include: E1, a standard version with external discharge for pilot oil and an external oil return control port T; E2, similar to the E1 design, but enhanced with an additional port Y for greater versatility; E3, featuring an advanced 2-position 3-way magnetic ball valve, designed to elevate system pressure up to safety valve standards during power supply activation, ensuring peak performance and reliability.
E4, designed like E1 but utilizes an internal discharge system for pilot oil, sealing the port T precision; E5, offering a configuration akin to E2, yet with internal discharge to optimize performance; E6, mirroring the E3 design, each option guarantees sophisticated and precise discharge control, crafting a seamless operation tailored to unique needs.
(17) Control voltage and anti-explosion cable length options: Choose from a range of options such as G12-12VDC, designed to maintain utmost safety and compatibility across various specialized applications, providing robustness and peace of mind.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 been a beacon of innovation and excellence in the hydraulic industry. 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 typically spans around one month after payment is received. During this timeframe, we commit to meticulous preparations and implement rigorous quality assurance protocols, ensuring every product delivered to you is in impeccable condition. Our unwavering dedication to flawless delivery guarantees your complete satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We have an exceptionally accommodating minimum order quantity policy, enabling you to order as little as a single unit for sample evaluation. This flexibility allows you to embark on your projects effortlessly and with precision, tailored to your specific needs with minimal constraints.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or desired applications to us. We will craft a personalized quote for you, derived from your specifications or our professional recommendations. Once you confirm the designs and deposit the necessary funds, we will finalize and proceed with production. We uphold every specification with meticulous accuracy, providing you with a custom-tailored and seamless 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 feasible. Please ensure you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is presented with exceptional precision and superior quality, perfectly capturing your identity.
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