Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, skillfully blending pressure, flow, and directional control into one seamless entity that ensures unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these meticulously engineered valves are crafted for flawless integration into sophisticated hydraulic systems, crucial for top-tier engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under diverse loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may demonstrate a slightly slower response, they excel in delivering exceptional energy-saving performance, rendering them the ideal choice for scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, providing an optimal combination 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, this pump delivers consistent and steadfast performance, ensuring smooth and efficient operations throughout your system. Experience superior dependability that keeps your machinery running seamlessly, maintaining precise functionality like clockwork.;
HLPSV: Variable Displacement Pump - A symbol of adaptability and versatility, offering extraordinary flexibility to meet a wide range of operational needs. Tailored to adjust to ever-changing demands, it allows seamless transitions and superior control for optimal efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging a trustworthy operational framework: Meticulously crafted for flawless performance, this design enhances reliability in every application. This dependable design ensures consistent, top-tier operation.:
2-G3/8; Designed for compact proficiency, it supports streamlined and seamless operational flows. Perfectly engineered for precision, this component guarantees optimal performance even in the tightest spaces, ensuring every operation meets demanding standards.
3-G1/2; Engineered for robustness and reliability, this connection provides a solid base for system integrity. Built to last, it delivers unwavering durability under the most demanding conditions, ensuring your system stands the test of time.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhanced system integration. This sophisticated design elevates your system, bringing efficiency and control together to enhance operational prowess.;
5, 55-G1; Equipped with superior flow rates, this connection is ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease, making it a vital component in challenging environments.;
6-G1 1/4; Delivering unmatched performance, this component is expertly designed to excel in demanding environments and handle challenges effortlessly. This connection sets new benchmarks in power and performance, solidifying its place as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing operational potential with advanced components that redefine excellence, these elements enhance system performance to ensure your operations remain at the forefront of industry standards.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing steadfast support and unmatched reliability to empower your system, ensuring it withstands the rigors of daily operations.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing system efficiency. By ensuring operations are fine-tuned for maximum effectiveness, it optimizes your system's performance effortlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximize your hydraulic systems' potential with superior flow management, ensuring exceptional performance and reliability. This component redefines conventional limits, consistently delivering extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Discover bespoke pressure control tailored specifically for diverse applications: Crafted to meet your precise needs, offering unmatched precision control that aligns seamlessly with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience customized solutions that effortlessly meet your operational needs. Tailored configurations ensure desired results with maximum convenience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplify efficiency and control: Expertly crafted to elevate your system's performance, providing unmatched control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressurization while powered, facilitates unloading when unpowered; D - Normally closed magnetic ball valve, enables unloading while powered, initiates pressurization when unpowered; Offering fine-tuned precision for unrivaled system efficiency.D/F - Introducing a groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with exceptional accuracy to maintain a precisely defined pressure. This engineering marvel is tailored to advance safety measures, thereby optimizing operational security and reliability to unprecedented standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Reach the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar. This component represents adaptability, seamlessly accommodating any hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, ensuring unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies masterful design, skillfully crafted to address every application, ensuring you acquire a product that perfectly suits your specific requirements.
(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 for flawless and seamless integration.
(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, optimized for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unwavering dependability. Optimize your system's performance with these meticulously engineered flow rates, providing unparalleled reliability and efficiency at every level.
(12) Secondary pressure limitation options: Choose from our premium selections to ensure ultimate system safety: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B. Each option is precisely measured in bar, providing uncompromising protection. Elevate your system's safety with our expertly designed pressure limitation choices, ensuring robust security tailored to your specific needs.
(13) Function ON/OFF and pressure outlet options: Customize your control with our expertly tailored selections: 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 is engineered for precise and reliable functionality. Enjoy unparalleled customization and reliability with our innovative function and pressure outlet options, meticulously crafted for optimal control.
(14) Operation modes: Unlock comprehensive control with our diverse operation modes: A(1,2), manual operation with either long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control, aligning pilot oil ports with ports A and B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for precision and versatility. Master the art of control with our wide array of operation modes, each meticulously designed for precision and adaptability.
(15) Ancillary block port sizes: Experience unparalleled versatility with our meticulously engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options ensure seamless adaptability and flawless integration across various systems, guaranteeing efficiency and peak performance. Discover the perfect fit for your system with our adaptable ancillary block port sizes, expertly crafted to deliver seamless integration and superior performance.
(16) End plate options: Explore our meticulously crafted end plate solutions: E1, ensures an external discharge of pilot oil and external oil return control port T. E2 elevates E1 with the addition of port Y for greater flexibility; E3 boasts a sophisticated 2-position, 3-way magnetic ball valve, lifting system pressure to safety valve levels when activated, ensuring maximum performance. Discover the pinnacle of design and functionality with our end plate options, crafted to enhance your system's versatility and performance.
E4 mirrors E1, but innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 enhances E2 features with an internal discharge, ensuring top-tier performance. E6 mirrors the advanced design of E3, delivering cutting-edge discharge control for complex system requirements. Experience innovation and efficiency with our advanced end plate options, engineered for enhanced control and superior performance.
(17) Control voltage and anti-explosion cable options: Select from our secure range, including G12-12VDC, tailored for demanding applications with emphasis on safety and reliability. Our offerings ensure specialization and security. Prioritize safety and reliability with our specialized control voltage options, crafted for secure and demanding environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has ascended to prominence as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company has earned acclaim as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our expertise remains unrivaled, encompassing exhaustive research, pioneering development, meticulous manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, continually fortifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, epitomizing the zenith of advanced hydraulic system control technology. This meticulously engineered marvel is indispensable for construction machinery and heavy-duty equipment, playing a pivotal role in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unyielding in our quest to deliver extraordinary products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks of excellence on the world stage.
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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