Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic engineering brilliance. These remarkable inventions redefine control by seamlessly integrating pressure, flow, and direction into one cohesive system, ensuring exceptional performance and steadfast reliability across all applications. Crafted with precision, these valves consist of three fundamental modules - connecting blocks, directional valves, and end plates - each designed to flawlessly integrate into sophisticated hydraulic systems, vital for high-caliber engineering machinery. They expertly manage the movement, direction, and speed of hydraulic cylinders, motors, and other actuators, offering unrivaled control and precision. Key features include a compact design, outstanding energy efficiency, and the unique ability for stepless speed control, allowing for simultaneous operation of multiple actuators under varying loads. This results in unmatched performance and adaptability, making them ideal for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, providing reliable and consistent operation in every scenario. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. Although HLPSV valves may exhibit a marginally slower response, they truly shine in delivering unparalleled energy-saving performance, positioning them as the top choice for efficiency-driven applications. These cutting-edge valves merge advanced engineering with an energy-efficient design, distinguishing themselves as the ultimate solution for sophisticated hydraulic control needs. They offer an ideal synergy of precision, dependability, and efficiency, making them the preferred choice for advanced hydraulic systems.
| 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 - A pillar of unwavering reliability, this pump ensures smooth, efficient system operations by providing consistent, steadfast performance at all times.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump offers exceptional flexibility to meet diverse operational needs with unmatched precision.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability, forming a robust and dependable operational framework::
2-G3/8; Designed for compact efficiency, this port supports streamlined, seamless operational flows with unparalleled proficiency.
3-G1/2; Crafted for strength and reliability, this port provides a solid foundation for your system's enduring integrity.;
4-G3/4; Featuring cutting-edge connectivity, this port offers superior control and exceptional system integration.;
5, 55-G1; With enhanced flow rates, this port is optimal for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Engineered for unparalleled performance, this port excels in demanding environments and overcomes challenges with ease.;
(3) Additional Components and Specifications - Taking system capabilities to remarkable new heights of excellence::
C,Standard Type - A dependable and trusted foundation, this component is meticulously designed to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to drive exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering custom pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to seamlessly meet 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, activating pump pressure when powered, unloading when not; D - Normally closed magnetic ball valve, unloading pump when powered, pressurizing when not.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve crafted for secondary pressure (F50). This groundbreaking feature ensures advanced safety measures, dramatically enhancing security and reliability in operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and accuracy with adjustable pressure settings from 63 to 400 bar. This component is the epitome of adaptability, perfectly catering to diverse hydraulic needs. For seamless integration, /NF indicates no pressure limiting valve, systematically configured for HLPSV, delivering flawless pressure management for a wide array of applications.
(7) Product Series Classification - The Zenith of Engineering Perfection:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering masterpiece, meticulously crafted to serve diverse applications, providing you with an ideal product that aligns perfectly with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; supplemented with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for flawless integration and 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, crafted specifically 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 vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet precise functional demands.
(11) Output flow code for ports A & B: Achieve unparalleled efficiency with maximum output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously designed to ensure exceptional performance and dependability.
(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 measured in bar, guaranteeing uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with choices 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 meticulously crafted for precise control and functionality.
(14) Operation modes: Select from a diverse array 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 crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover our exquisitely designed options, crafted for flawless adaptability and seamless integration. Choose from our expertly engineered selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each offering unparalleled flexibility to perfectly cater to your specific requirements.
(16) End plate options: Delve into our extraordinary collection of skillfully 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 mirrors E1 but is upgraded with an additional port Y. Discover the cutting-edge innovation of E3, featuring a 2-position 3-way magnetic ball valve that elevates your system's pressure to safety valve levels when activated, ensuring outstanding performance.
E4, closely aligned with E1, distinguishes itself by incorporating an internal discharge of pilot oil with a sealed port T. E5 replicates the functions of E2 with an internal discharge feature. Unveil the sophistication of E6, embodying the advanced engineering of E3, with each variant guaranteeing superior discharge control for optimal system functionality.
(17) Control voltage and anti-explosion cable options: Ensure the utmost safety and reliability of your system with our array of customized solutions. Opt for G12-12VDC, ideal for specialized applications that necessitate uncompromising safety and compatibility.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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