We proudly present our cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel in hydraulic engineering. These state-of-the-art creations epitomize the forefront of innovation, masterfully merging pressure, flow, and directional control into a flawless, unified system. Experience unmatched performance and reliability across diverse applications. Comprising three integral functional modules-connecting blocks, directional valves, and end plates-these valves are exquisitely designed for seamless integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. They meticulously regulate the motion direction and velocity of hydraulic cylinders, motors, and other actuators, providing extraordinary precision and control. Standout features include a compact design, outstanding energy efficiency, and the capacity for seamless speed modulation. Furthermore, they enable multiple actuators to function concurrently under varying loads, delivering unparalleled performance and adaptability for any requirement.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they are unparalleled in delivering remarkable energy-saving performance, making them the ultimate choice for efficiency-centric applications. Their groundbreaking engineering and energy-efficient architecture position HLPSV valves as the quintessential solution for sophisticated hydraulic control needs, offering an exquisite balance 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 reliability, ensuring smooth and seamless operations through its unwavering performance, delivering consistent efficiency for your entire system.;
HLPSV: Variable Displacement Pump - A symbol of dynamic adaptability and supreme versatility, offering exceptional flexibility to match a broad spectrum of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a dependable operational framework::
2-G3/8; Designed for compact efficiency, facilitating streamlined and fluid operational flows with ease.
3-G1/2; Built for durability and trustworthiness, providing a strong foundation for your system's integrity.;
4-G3/4; Advanced connectivity, offering superior control and integrated system enhancements.;
5, 55-G1; Designed for superior flow rates, perfectly suited for high-demand applications, ensuring unwavering, dependable performance.;
6-G1 1/4; Unparalleled performance, expertly crafted to excel in challenging environments, effortlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary levels::
C,Standard Type - A reliable and trusted base, meticulously engineered to meet crucial operational standards.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing custom pressure control solutions for various 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 specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and 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 - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously crafted for secondary pressure (F50). This state-of-the-art valve ensures advanced safety protocols, greatly enhancing operational security and reliability in your systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable pressure settings between 63 to 400 bar. This component demonstrates exceptional adaptability, perfectly accommodating a wide range of hydraulic requirements. For configurations that require precision, /NF indicates no pressure limiting valve, expertly designed for HLPSV, ensuring flawless pressure management across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents an engineering masterpiece, skillfully crafted to meet diverse application needs, providing you with a product that seamlessly aligns with your exact specifications and expectations.
(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, meticulously engineered for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Select from an extensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and outstanding efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each expertly engineered to meet specific functional demands.
(11) Output flow code for ports A & B: Achieve maximum efficiency with superior output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to provide exceptional performance and reliability.
(12) Secondary pressure limitation options: Options include: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with options such as: 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 carefully engineered for precise control and functionality.
(14) Operation modes: Select from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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, all expertly designed for thorough and precise control.
(15) Ancillary block port sizes: Immerse yourself in the exquisite craftsmanship of our ancillary block port selections, precisely engineered for impeccable adaptability and seamless integration. Choose from our expertly curated offerings: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option epitomizes versatility, ensuring a perfect match for your unique requirements and enhancing your system's performance.
(16) End plate options: Discover our remarkable selection of meticulously designed end plate solutions, each tailored to meet your exact specifications. E1 offers a standard choice with an external discharge of pilot oil and an external oil return control port T. E2 elevates this with an additional port Y, providing enhanced functionality. Embrace the innovation of E3, featuring a 2-position 3-way magnetic ball valve that boosts your system's pressure to safety valve standards when energized, delivering superior performance and reliability.
E4, crafted in the likeness of E1, distinguishes itself by incorporating an internal discharge of pilot oil with a sealed port T. E5 parallels the features of E2 but introduces an internal discharge capability. Encounter the elegance of E6, mirroring the advanced design of E3, with each variant ensuring refined discharge control for peak system performance and efficiency.
(17) Control voltage and anti-explosion cable options: Ensure the utmost security and dependability of your system with our specially tailored solutions. Select from G12-12VDC, ideal for applications where uncompromised safety and compatibility are paramount, guaranteeing optimal functionality and protection.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. With a steadfast focus on pioneering hydraulic solutions, we continue to elevate industry standards, crafting products that resonate with precision and reliability. Our journey is fueled by a passion for engineering excellence, driving us to new horizons of innovation.
Our enhanced Safety Atex Valve, the flagship product, embodies 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. As we forge into the future, our visionary approach and impeccable craftsmanship are the cornerstones of our ambition to redefine the landscape of hydraulic control systems on a global scale.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
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Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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. Kindly ensure that 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 represented with unparalleled precision and excellence, perfectly capturing your identity.
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