Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels signify the ultimate advancement in hydraulic technology, artfully fusing pressure, flow, and directional control into one cohesive, exquisite masterpiece. This ensures unparalleled performance and reliability across every application. Typically comprised of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are expertly crafted for integration into high-end hydraulic systems, indispensable for premium engineering machinery. They deftly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a sleek, compact structure, exceptional energy efficiency, and the capability for seamless, stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under varying loads, offering unparalleled performance and versatility for any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring unwavering and dependable operation in every scenario. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. While HLPSV valves may display a marginally slower response time, they excel in delivering outstanding energy-saving performance, making them the ideal choice for applications where efficiency is of the utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control requirements, presenting a flawless balance 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 vital cornerstone of reliability, ensuring unyielding and consistent performance to guarantee seamless and efficient operations across your entire system.;
HLPSV: Variable Displacement Pump - A model of agility and versatility, offering exceptional flexibility to meet a broad spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational foundation::
2-G3/8; Expertly crafted for compact functionality, designed to facilitate smooth and seamless operational flows.
3-G1/2; Built for strength and reliability, providing a robust foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Engineered for superior flow rates, perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, designed to excel in demanding environments and effortlessly tackle challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A steadfast and trusted foundation, meticulously designed to meet essential operational standards.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: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 - Immerse yourself in the world of cutting-edge engineering with this precision-crafted pressure limiting valve for secondary pressure (F50). Uniquely defined with a specified pressure value, this technological marvel epitomizes advanced safety enhancements, elevating operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component stands as a paragon of adaptability, effortlessly aligning with every hydraulic need. The /NF configuration crafts systems devoid of a pressure limiting valve, specifically engineered for HLPSV, ensuring 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 represents a pinnacle of design innovation, meticulously developed to cater to every application, guaranteeing a product that perfectly matches your exact specifications.
(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, exquisitely engineered for effortless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a plethora of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, uniquely suited for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, all offering precision and outstanding efficiency.
(10) Valve core function symbols: Explore a vast repertoire of core functions: L, M, F, H, J, B, R, O, N, each intricately crafted to satisfy specific functional demands.
(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 meticulously designed for superior performance and dependability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation for 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: Customize your control experience with options like: 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 designed for precise control and functionality.
(14) Operation modes: Choose from a wide array of operation modes: A(1,2), manual operation with the option of long or short handle; E, electric proportional control; EA(1,2), a combination 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 a long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Embrace the flexibility offered by our precision-engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each selection is meticulously crafted to ensure seamless adaptability and flawless integration into a wide array of systems, making your equipment more versatile and efficient.
(16) End plate options: Discover our end plate solutions, meticulously designed for optimal performance: E1, the standard choice, features an external discharge of pilot oil and an external oil return control port T; E2 offers similar benefits to E1, with an added port Y for increased flexibility; E3 is equipped with a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels when activated, ensuring superior system safety.
E4, designed similarly to E1, incorporates an innovative internal discharge of pilot oil with a sealed port T; E5 mirrors the enhanced features of E2, incorporating internal discharge for optimal performance; E6 offers the sophisticated design elements of E3, providing advanced discharge control across all variants, ensuring maximum efficiency and reliability.
(17) Control voltage and anti-explosion cable options: Choose from our secure and adaptable range, including G12-12VDC, designed for safety and specialization in the most demanding applications, ensuring your systems operate reliably under extreme conditions.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 distinguished itself with unparalleled innovation and excellence in the hydraulic industry. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our expertise spans the meticulous research, development, manufacturing, and sales of premium hydraulic components, setting standards of superior quality and technological advancement. Being designated as a national 'specialized, refined, and innovative' small giant enterprise further underscores our unwavering dedication to these principles, firmly establishing us as leaders in our field.
Our flagship product, the Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-demand applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, playing a pivotal role in the localization of essential hydraulic components for high-end mechanical equipment. Guided by our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we remain steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, continuously setting new benchmarks 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.