Experience the dawn of a groundbreaking era in hydraulic technology with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just ordinary components; they are the embodiment of superior engineering prowess and cutting-edge hydraulic innovation. By harmoniously integrating pressure, flow, and directional control into a unified, cohesive unit, our valves deliver extraordinary performance and steadfast reliability across all applications. Meticulously crafted, they encompass three essential functional modules - connecting blocks, directional valves, and end plates - designed with precision for seamless integration into elite hydraulic systems, crucial for premier engineering machinery. These valves expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a sleek, compact design, exceptional energy efficiency, and capability for stepless speed modulation. Furthermore, they empower multiple actuators to operate concurrently under varying loads, delivering unmatched performance and versatility across a wide array of applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring unwavering, reliable operations under any circumstances. Conversely, the HLPSV valves are meticulously designed for variable pump systems. Although they may demonstrate a slightly slower response time, HLPSV valves are distinguished by their remarkable energy-saving capabilities, rendering them the perfect choice when efficiency is of utmost importance. These valves, with their state-of-the-art engineering and eco-friendly design, emerge as the premier solution for advanced hydraulic control needs, seamlessly combining impeccable precision, reliability, and energy efficiency in a single, 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 - Unlock the potential of your system with these critical identifiers:
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 - Discover our no magnetic ball valve, designed for unparalleled performance; F - Embrace innovative control with our normally open magnetic ball valve, which empowers your pump to pressurize when powered and seamlessly unload when unpowered; D - Enjoy the versatility of our normally closed magnetic ball valve, giving you the advantage of pump unloading when powered and optimized pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously crafted for secondary pressure (F50). This cutting-edge feature ensures unparalleled safety protocols, greatly enhancing the operational security and reliability you can count on.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience an evolution in versatility and precision with our customizable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, designed to meet a wide array of hydraulic requirements. For seamless configurations, let /NF guide you to a tailored solution without pressure limiting valve, crafted specifically for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover a range of series that exemplify engineering prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, meticulously crafted to serve a variety of applications, ensuring you acquire a product that aligns seamlessly with your exact requirements.
(8)Thread size of directional spool valve ports A & B: Experience precision with our port thread sizes:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the sophisticated intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration and operational efficiency.
(9)Directional valve block inflow controller options: Explore a vast selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unmatched precision and operational excellence.
(10) Valve core function symbols: Discover an expansive array of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to address specific functional demands.
(11) Output flow code for ports A & B: Enhance efficiency with outstanding output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver superior performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with 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 engineered for precise control and exceptional functionality.
(14) Operation modes: Choose from an impressive variety of operation modes designed for diverse applications. Whether it's A(1,2) for manual operation with flexible handle options, E for electric proportional control, EA(1,2) for a blend of electric proportional and manual operation, D for electric switching control, or DA(1,2) for a hybrid of electric switching and manual control, we've got you covered. Alternatively, explore M for manual friction positioning with an extended handle, H for pure hydraulic control with aligned pilot oil ports, or F for a perpendicular hydraulic control setup. Each mode is meticulously engineered for precise and comprehensive control, ensuring peak performance.
(15) Ancillary block port sizes: Transform your systems with our carefully crafted port size solutions, tailored for perfect adaptability and seamless integration. Choose from our precision-engineered selection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each variant offers unparalleled flexibility and is thoughtfully designed to meet your specific needs with outstanding efficiency, ensuring your system remains at the forefront of innovation.
(16) End plate options: Discover our exceptional range of end plate innovations, each precisely tailored to elevate your system's capabilities. E1 offers a standard with external pilot oil discharge and an external oil return control port T. E2 takes it further with an additional port Y, amplifying functionality. E3 introduces groundbreaking innovation with a 2-position 3-way magnetic ball valve, which boosts your system's pressure to premier safety valve levels when energized, guaranteeing superior performance and unrivaled reliability.
E4 mirrors E1 but is distinct with internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, now with the added benefit of internal discharge. Venture into advanced technology with E6, reflecting E3's forward-thinking design. Each variant provides superior discharge control, ensuring your system consistently operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our extensive range of expertly tailored solutions. Select G12-12VDC for specialized applications where uncompromised safety and compatibility are paramount.G24: The ultimate choice for robust performance and steadfast dependability, ensuring your system stands resilient in the face of demanding challenges.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these offerings, engineered for peak efficiency and adaptability across various challenging environments, ensuring seamless performance and ultimate flexibility.12: The embodiment of precision and reliability, masterfully crafted for flawless integration into your systems, ensuring seamless operation and unmatched performance.bb621436: The hallmark of excellence, setting a benchmark in our groundbreaking design, ensuring your systems remain at the cutting edge of innovation.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has brilliantly illuminated the hydraulic industry with groundbreaking innovations 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. We have honed our expertise in meticulous research, cutting-edge development, precision manufacturing, and strategic sales of premium hydraulic components. Our designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication propels us to the forefront as frontrunners in our field, setting industry standards.
Our enhanced Safety Atex Valve, the flagship product, stands as the epitome of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable in high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, contributing significantly to the localization of 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, top-tier services, and innovative solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence across the globe.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
Audited Supplier 
){kind=link}