Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the embodiment of hydraulic innovation, expertly integrating pressure, flow, and directional control into one seamless masterpiece. This ensures exceptional performance and unwavering reliability in every application. Typically constructed from three fundamental functional modules-connecting blocks, directional valves, and end plates-these valves are expertly crafted for seamless integration into high-end hydraulic systems, indispensable for elite engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing extraordinary precision and control. Key highlights include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unmatched performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and dependable operation in all settings. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. Although HLPSV valves may present a marginally slower response time, they excel in delivering superior energy-saving performance, making them the ultimate choice for scenarios where efficiency is of utmost importance. With their advanced engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an impeccable 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 - Where precision orchestrates with reliability, establishing a dependable framework that your operations can trust::
2-G3/8; Expertly crafted for compact proficiency, designed to seamlessly support streamlined operational flows.
3-G1/2; Meticulously engineered for robustness and reliability, providing a steadfast foundation 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 - Pushing the boundaries of system capabilities to new, unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, elevating the overall efficiency and proficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unparalleled performance and enduring dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke and sophisticated pressure control solutions tailored for diverse 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 demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and control with finesse: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 - Introducing our cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), a quintessential marvel in modern engineering. This valve is meticulously designed with a specifically defined pressure value that elevates safety measures to unprecedented levels, ensuring operational security and reliability are optimized like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with this engineering masterpiece, offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, effortlessly meeting all hydraulic requirements. Experience the /NF configuration, a system without a pressure limiting valve, expertly crafted for HLPSV, providing unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an exemplar of exquisite design, meticulously crafted to accommodate every application, ensuring a perfect match to your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; This includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless and flawless integration, ensuring superior performance.
(9)Directional valve block inflow controller options: Choose from a versatile selection: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options. Each option is designed for precision and exceptional efficiency.
(10) Valve core function symbols: Explore a diverse array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with our selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each meticulously designed for superior performance and 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 uncompromising system safety and security.
(13) Function ON/OFF and pressure outlet options: Customize your experience 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 engineered for precise control and superior functionality.
(14) Operation modes: Discover an array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a hybrid 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, expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the pinnacle of versatility with our expertly engineered ancillary block port options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each selection is meticulously crafted for seamless adaptability, ensuring flawless integration into a wide range of diverse systems.
(16) End plate options: Delve into our meticulously designed end plate solutions. E1, the standard choice, offers both an external discharge of pilot oil and an external oil return control port T. E2 builds upon E1's features with an additional port Y, providing added flexibility. E3 stands out with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, enhancing both safety and performance.
E4, crafted similarly to E1, integrates an innovative internal discharge of pilot oil with a sealed port T for superior functionality. E5 mirrors E2's features but includes an internal discharge for optimal performance. E6 reflects the sophisticated design principles of E3, ensuring advanced and precise discharge control across every variant.
(17) Control voltage and anti-explosion cable options: Choose from our secure and highly compatible range of options, such as G12-12VDC, each crafted to meet safety standards and specialization needs in the most demanding applications.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 dynamic hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Our expertise in the meticulous research, cutting-edge development, precision manufacturing, and strategic sales of premium hydraulic components is truly unmatched. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as undisputed leaders in our domain, constantly pushing boundaries and setting benchmarks.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is crucial for high-stakes applications such as emergency rescue operations, precision tunnel engineering, robust mining activities, and efficient 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. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to transcend boundaries and rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide and empowering industries with unparalleled reliability and innovation.
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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