Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, masterfully integrating pressure, flow, and directional control into a seamless, cohesive marvel. This ensures unparalleled performance and unwavering reliability across a myriad of applications. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are meticulously designed for seamless integration into high-end hydraulic systems, which are pivotal for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatchable precision and control. Key highlights include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility in 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 may exhibit a marginally slower response, they excel in providing outstanding energy-saving performance, making them the optimal choice where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves ascend as the premier solution for advanced hydraulic control needs, offering an ideal blend 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 cornerstone of unwavering reliability, delivering steady and consistent performance to ensure your machinery operates seamlessly and efficiently. This key component ensures your system functions with precision and dependability, akin to the reliability of clockwork.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump offers remarkable flexibility to suit diverse operational demands. It is designed to effortlessly transition between requirements, providing exceptional control that maximizes efficiency across all scenarios.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to form a robust operational foundation: Engineered for immaculate performance, these ports enhance reliability across various applications. This meticulously designed solution ensures consistent and superior functionality.:
2-G3/8; Compact yet proficient, this design supports seamless operational flows with precision engineering. It guarantees optimal performance even in constrained spaces, ensuring adherence to the highest standards.
3-G1/2; Designed for strength and steadfastness, this connection ensures system integrity. Constructed for longevity, it withstands challenging conditions while maintaining your system's resilience.;
4-G3/4; Offering cutting-edge connectivity, this design enhances control and system integration. Elevating your system's efficiency, it combines control and operational prowess for superior performance.;
5, 55-G1; With high flow rates suitable for demanding applications, it guarantees consistent and dependable performance. Engineered for excellence, it meets high-pressure challenges with ease, proving vital in tough environments.;
6-G1 1/4; Delivering superior performance, expertly crafted for challenging environments, handling them with ease. This connection sets new standards in power and efficiency, asserting its leadership in the industry.;
(3) Additional Components and Specifications - Take your system capabilities to unprecedented levels: Advanced components unleash operational potential, redefining performance excellence to keep your operations leading in industry standards.:
C,Standard Type - A foundation of reliability, designed to meet essential operational needs. Providing unwavering support and unmatched reliability, it empowers your system to endure the challenges of daily operations effectively.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing system efficiency. It fine-tunes operations for maximum effectiveness, thus enhancing your system's performance seamlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives superior flow management, ensuring extraordinary performance and reliability. This component exceeds conventional performance expectations to consistently deliver outstanding results.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions across diverse applications, meticulously crafted to meet your exacting standards and operational objectives, ensuring precision control perfectly aligned with your strategic goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering bespoke solutions, effortlessly addressing your specific operational demands. Customizable configurations guarantee your desired results with unmatched convenience and reliability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and control: Masterfully engineered to heighten your system's performance, offering exceptional control and outstanding effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes the pump when powered, unloads when not powered; D - Normally closed magnetic ball valve, unloads the pump when powered, energizes when unpowered; Enabling precision tuning for unparalleled system efficiency.D/F - Discovering a pioneering, precisely engineered pressure limiting valve for secondary pressure (F50), crafted to maintain a specific pressure value with extraordinary accuracy. This engineering triumph is poised to significantly bolster advanced safety measures, thereby elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component exemplifies adaptability, perfectly accommodating every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a triumph of design, ingeniously conceived to cater to every application, ensuring you obtain a product that seamlessly meets your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Incorporating ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for impeccable and seamless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive suite of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional effectiveness.
(10) Valve core function symbols: Explore a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet distinct functional requirements.
(11) Output flow code for ports A & B: Attain 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 steadfast dependability.
(12) Secondary pressure limitation options: Elevate your system's safety with our distinguished range of secondary pressure limitation options. Choose from: N, offering no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; A---B---, allowing independent pressure limitation for ports A & B. Each option is meticulously calibrated in bar to deliver steadfast protection without compromise.
(13) Function ON/OFF and pressure outlet options: Personalize your control system with our expertly designed options: N, no function ON/OFF or pressure outlet; X, C type pressure limitation for enhanced control; S/S1, AB type pressure limitation for superior customization; A, electrical ON/OFF on side A for targeted operation; B, electrical ON/OFF on side B for precision control. Each option is crafted for exactitude and reliability.
(14) Operation modes: Empower your system with our comprehensive operation modes: A(1,2), manual operation with your choice of long or short handle; E, featuring electric proportional control for dynamic responses; EA(1,2), combine electric proportional control with manual operation for enhanced flexibility; D, electric switching value control for instant adaptability; DA(1,2), uniting electric switching value control with manual operation; M, manual friction positioning with a long handle for steady control; H, pure hydraulic control synchronizing pilot oil ports with ports A and B; F, pure hydraulic control featuring perpendicular pilot oil ports. Each mode is designed for precision and multiple applications.
(15) Ancillary block port sizes: Discover unmatched versatility with our precisely engineered port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options provide seamless adaptability and ensure flawless integration across a variety of systems, delivering superior efficiency and performance.
(16) End plate options: Uncover our meticulously engineered end plate solutions tailored for your system's needs: E1, guarantees external discharge of pilot oil and external oil return control at port T. E2 enhances E1 by incorporating port Y for added functionality; E3 features an advanced 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated to optimize performance.
E4 mirrors E1 but innovatively integrates an internal discharge of pilot oil with a sealed port T for improved efficiency. E5 builds on E2's features with internal discharge, providing superior performance. E6 reflects the advanced engineering of E3, delivering state-of-the-art discharge control for complex system needs.
(17) Control voltage and anti-explosion cable options: Choose from our robust selection to meet demanding application requirements with an emphasis on safety and reliability. Our range includes G12-12VDC, engineered for specialization, and security. Our offerings guarantee enhanced protection and dependable performance.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 swiftly emerged as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), our company is revered as a national high-tech enterprise, a testament to our unwavering commitment to cutting-edge technology and unmatched quality. Our expertise is unparalleled, encompassing comprehensive research, development, manufacturing, and sales of superior hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we remain resolute in our pursuit of excellence, reinforcing our leadership position within the industry.
Introducing our flagship innovation-the enhanced Safety Atex Valve-representing the pinnacle of cutting-edge hydraulic system control technology. This meticulously crafted component is indispensable for construction machinery and heavy-duty equipment, playing a vital role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with prominent domestic manufacturers, significantly advancing the localization of core hydraulic components for sophisticated mechanical equipment. Driven by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our pursuit to deliver extraordinary products, services, and solutions. Our mission is to ascend as a globally trusted supplier of superior hydraulic components, consistently setting new standards of excellence on the international 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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