Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These innovative engineering marvels embody the peak of hydraulic technology, seamlessly merging pressure, flow, and directional control into a cohesive and harmonious unit. This ensures unmatched performance and reliability across all applications. Constructed from three vital functional modules - connecting blocks, directional valves, and end plates - these valves are expertly designed for integration into premium hydraulic systems, essential for elite engineering machinery. They precisely manipulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring exceptional precision and control. Key features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Moreover, they enable multiple actuators to function concurrently under varying loads, offering superior 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 meticulously engineered for variable pump systems. While HLPSV valves might exhibit a slightly slower response time, their superior energy-saving capabilities make them the ultimate choice for applications where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, delivering an ideal fusion 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
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 - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(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, specifically crafted for secondary pressure (F50). This avant-garde feature pledges to uphold the highest safety protocols, significantly bolstering operational security and reliability, ensuring your systems perform flawlessly.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This element showcases exceptional adaptability, perfectly aligning with varied hydraulic demands. For seamless configurations, /NF signifies the absence of a pressure limiting valve, meticulously engineered for HLPSV, ensuring immaculate pressure management across a vast range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents an engineering marvel, skillfully crafted to cater to diverse applications, providing a product that seamlessly aligns with your exact needs.
(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, engineered with precision for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Opt from a diverse array of choices: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, crafted exclusively for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and unmatched efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional demands.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capacities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to ensure superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromised system safety and integrity.
(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 meticulously designed for precise control and exceptional functionality.
(14) Operation modes: Select from an expansive 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), merged 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 meticulously crafted to provide comprehensive and precise control.
(15) Ancillary block port sizes: Discover our meticulously crafted options, specifically designed for seamless adaptability and integration. Choose from our expertly engineered selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option epitomizes flexibility, ensuring a perfect fit for your unique requirements.
(16) End plate options: Dive into our exceptional array of finely tailored end plate solutions. E1 offers the standard configuration with an external discharge of pilot oil and an external oil return control port T. E2 furthers this with an additional port Y. Experience the cutting-edge E3, which includes a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, guaranteeing unparalleled performance.
E4, parallel to E1, distinguishes itself by integrating an internal discharge of pilot oil with a sealed port T. E5 mirrors E2's capabilities with this internal discharge feature. Unveil the sophistication of E6, echoing the advanced design of E3, each variant offering superior discharge control for optimal system performance.
(17) Control voltage and anti-explosion cable options: Ensure your system's safety and reliability with our range of tailored solutions. Opt for G12-12VDC, perfectly suited for specialized applications demanding the highest safety and compatibility 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 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.
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.
Question:3. How to proceed with an order for LED lights?
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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