Introducing the epitome of hydraulic engineering: our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These state-of-the-art creations mark the zenith of hydraulic innovation, flawlessly uniting pressure, flow, and directional control into a single, harmonious masterpiece. Our valves guarantee unparalleled performance and reliability across all applications. Composed of three core functional modules - connecting blocks, directional valves, and end plates - they are meticulously designed for seamless integration into premium hydraulic systems, essential for high-grade engineering machinery. These valves precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond these, they empower multiple actuators to operate concurrently under varying loads, delivering unmatched performance and versatility, no matter the application.
Our HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring unwavering and reliable operation in every environment. In contrast, our HLPSV valves are expertly crafted for variable pump systems. While the HLPSV valves may exhibit a slightly slower response time, they excel in providing remarkable energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering a perfect synthesis 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 dependability, ensuring seamless operations with its steadfast and consistent performance for the entire system.;
HLPSV: Variable Displacement Pump - A true champion of flexibility and versatility, offering exceptional adaptability to meet a diverse array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, creating a robust and dependable operational framework::
2-G3/8; Expertly crafted for compact proficiency, this design supports streamlined and uninterrupted operational flows.
3-G1/2; Built for strength and dependability, it provides a sturdy foundation for maintaining system integrity.;
4-G3/4; With advanced connectivity features, it offers superior control and enhances overall system integration.;
5, 55-G1; Designed for optimal flow rates, this is ideal for high-demand applications, ensuring reliable and steady performance.;
6-G1 1/4; Delivering exceptional performance, this component excels in challenging environments, tackling even the toughest tasks with ease.;
(3) Additional Components and Specifications - Pushing system capabilities to extraordinary heights::
C,Standard Type - A rock-solid and trustworthy base, meticulously engineered to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Assures precision control, significantly boosting system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unbeatable performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Crafting bespoke pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly address your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control to new levels:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes the pump when powered, unloading it when not powered; D - Normally closed magnetic ball valve, unloading the pump when powered, energizes it when not powered;D/F - Introducing a marvel of modern engineering: a state-of-the-art, precision-engineered pressure limiting valve tailored specifically for secondary pressure (F50) with precisely defined pressure values. This exceptional component is designed to significantly enhance advanced safety measures, thereby optimizing operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Encounter the pinnacle of versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. In the /NF configuration, experience systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unparalleled 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 in design, expertly conceived to suit every application, ensuring you receive a product perfectly aligned 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; Our selection includes ancillary blocks and the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all masterfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Opt from a diverse array: 1, without inflow control; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, meticulously tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and outstanding efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each precisely crafted to fulfill specific functional requisites.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows of: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize 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, engineered for precision control and functionality.
(14) Operation modes: Discover a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our precisely engineered selection: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is masterfully crafted for seamless adaptability and flawless integration into a wide array of systems.
(16) End plate options: Dive into our thoughtfully designed end plate solutions: E1, your standard choice, provides an external discharge of pilot oil and an external oil return control port T; E2, echoing E1, is enhanced with an additional port Y for augmented flexibility; E3, includes a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated.
E4, crafted in the likeness of E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T; E5, reflecting E2's features, utilizes internal discharge for peak performance; E6 mirrors the sophisticated E3 design, ensuring advanced discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and reliable range, including G12-12VDC, engineered for safety and specialization 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 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, development, manufacturing, and sales of premium hydraulic components is 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 leaders in our domain.
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, tunnel engineering, mining, and 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 rise as a globally trusted supplier of premier hydraulic components, setting new standards 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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