Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the pinnacle of hydraulic innovation, masterfully integrating pressure, flow, and directional control into a single, cohesive marvel. This ensures unmatched performance and reliability across every application. These valves are typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - and are precision-engineered for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage the direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal 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 foundation of consistent excellence, this pump delivers unwavering reliability, ensuring smooth, efficient operations across your system. Enjoy unmatched dependability, keeping your machinery running like a well-oiled clockwork, maintaining flawless functionality at all times.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, this pump excels in meeting diverse operational requirements. Expertly crafted to adjust to dynamic demands, it allows effortless transitions and superior control, driving optimal efficiency and performance.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, creating a dependable operational foundation: Artfully engineered for impeccable performance, this design enhances reliability in every application, guaranteeing consistent, top-tier operation.:
2-G3/8; Tailored for compact efficiency, this port supports streamlined, seamless operational flows. Precisely engineered to ensure optimal performance, even in the most constrained spaces, it meets the most stringent standards with ease.
3-G1/2; Built to endure, this robust connection ensures system integrity and longevity. Engineered for demanding conditions, it provides unwavering durability, assuring that your system withstands the test of time and rigorous use.;
4-G3/4; Featuring cutting-edge connectivity, this design offers refined control and superior system integration. Elevate your system's capabilities by blending efficiency and control, enhancing your operational prowess seamlessly.;
5, 55-G1; Engineered for high-demand applications, this port provides excellent flow rates with dependable performance. Designed to tackle high-pressure scenarios effortlessly, it stands as an essential component in challenging environments.;
6-G1 1/4; Unmatched in performance, this connection conquers demanding environments with ease. Its expert design establishes new industry benchmarks, cementing its status as a leader in power and reliability.;
(3) Additional Components and Specifications - Raising system capabilities to new heights: Experience advanced components that redefine excellence, propelling system performance to ensure your operations are at the cutting edge of industry standards.:
C,Standard Type - A stalwart foundation, meticulously crafted to meet key operational needs. Offering steadfast support and unparalleled reliability, it empowers your system to endure the rigors of daily operation with ease.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing system efficiency. By fine-tuning operations for peak effectiveness, it optimizes performance seamlessly, ensuring your system operates at its best.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management to exceptional levels, delivering unmatched performance and dependability. This component transcends conventional limits, consistently providing extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Our bespoke pressure control solutions provide unparalleled precision and are meticulously tailored to meet your diverse application needs. Experience precision control that effortlessly aligns with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our customizable solutions are crafted to seamlessly cater to your specific operational requirements, ensuring you achieve your desired outcomes with exceptional ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Our expertly designed valve enhances your system's efficiency, offering unrivaled control and exceptional effectiveness to elevate performance.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; Experience precision tuning engineered for unmatched system efficiency.D/F - Discover our groundbreaking pressure limiting valve for secondary pressure (F50), engineered for remarkable precision to maintain precisely defined pressure values. Enhance advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings ranging from 63 to 400 bar. This component epitomizes adaptability, expertly crafted for HLPSV, providing 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 is a masterclass of design, skillfully conceived to meet every application requirement, ensuring seamless alignment with your specific 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 for flawless integration.
(9)Directional valve block inflow controller options: Select from an expansive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring 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 precisely crafted to fulfill specific functional demands.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and dependable reliability.
(12) Secondary pressure limitation options: Discover an elite spectrum of choices to safeguard your hydraulic system! Select N for no pressure limiting protection, C for concurrent pressure limitation on actuator ports A & B, or A---B--- for independent pressure limitation. Each meticulously calibrated in bar, these options deliver steadfast security, ensuring your operations remain unhindered and protected.
(13) Function ON/OFF and pressure outlet options: Personalize your hydraulic control with precision-engineered selections: N foregoes function ON/OFF and pressure outlet, X embodies the C type pressure limitation, while S/S1 embraces the AB type pressure limitation. Opt for A or B to implement electrical ON/OFF on sides A or B respectively. Each selection is crafted to guarantee dependable and exact operational control.
(14) Operation modes: Expand your command with our extensive operation modes! Choose A(1,2) for manual operation with your preferred handle length, E for refined electric proportional control, or EA(1,2) for an integrated approach combining both electric and manual operation. For electric switching value control, D is your go-to, or opt for DA(1,2) to merge electric switching with manual handling. M offers manual friction positioning with a long handle, while H ensures pure hydraulic control by aligning pilot oil ports with A and B. F provides pure hydraulic control with perpendicular pilot oil ports, ensuring unparalleled precision and adaptability.
(15) Ancillary block port sizes: Embrace the ultimate flexibility with our precision-engineered port sizes: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Designed for seamless adaptability, these sizes facilitate flawless integration across diverse systems, maximizing efficiency and performance.
(16) End plate options: Dive into our expertly designed end plate options: E1 offers external pilot oil discharge and external control port T return; E2 adds port Y to enhance flexibility; E3 incorporates a sophisticated 2-position, 3-way magnetic ball valve to elevate system pressure to safety levels upon activation, ensuring optimal performance.
E4 mirrors E1's functionality but innovatively includes an internal pilot oil discharge with a sealed port T, boosting efficiency. E5 builds on E2 with internal discharge for superior performance. E6 reflects E3's advanced design, providing state-of-the-art discharge control for intricate system needs.
(17) Control voltage and anti-explosion cable options: Opt for our robust selection tailored for high-demand environments, featuring G12-12VDC for unmatched safety and reliability. Our specialized offerings ensure top-tier protection and security.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 emerged as a beacon of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of the illustrious China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, highlighting our unyielding commitment to technological advancement and unmatched quality. Our expertise is unparalleled, encompassing comprehensive research, development, manufacturing, and sales of premium hydraulic components. Lauded as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, reinforcing our leadership in the field.
Introducing our flagship innovation, the Enhanced Safety Technology with Hydraulic Proportional Valve for Mining, which exemplifies the pinnacle of advanced hydraulic system control technology. This meticulously engineered component is essential for construction machinery and heavy-duty equipment, playing a pivotal role in 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 advancing 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 unwavering 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.
){kind=link}