Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels epitomize the zenith of hydraulic technology advancements, flawlessly merging pressure, flow, and directional control into one cohesive, sophisticated masterpiece. This ensures unmatched performance and unwavering reliability across diverse applications. Typically comprising three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are expertly engineered for incorporation into elite hydraulic systems, indispensable for prestigious engineering machinery. They adeptly control the movement direction and velocity of hydraulic cylinders, motors, and various actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the ability for seamless, stepless speed control. Moreover, they empower multiple actuators to operate concurrently under varying loads, providing unmatched performance and versatility for any application.
The HLPSL valves are meticulously customized for constant displacement pump systems, ensuring unwavering and dependable operation in every setting. In contrast, the HLPSV valves are brilliantly engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they are distinguished by their outstanding energy-saving performance, making them the ultimate choice for applications where efficiency is of 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, offering an impeccable 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 - Your ultimate ally for achieving consistency and unwavering performance, ensuring that operations are executed with smoothness and utmost efficiency.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and flexibility, offering unparalleled versatility and perfectly catering to diverse operational requirements.;
(2) Connection Block Ports P & R Specifications - The fusion of precision and reliability, providing trustworthy and dependable operations::
2-G3/8; Engineered for compact efficiency, this design facilitates streamlined and seamless operational flows.
3-G1/2; Constructed for robustness and dependability, forming a solid and reliable foundation for your system.;
4-G3/4; Enabling superior control with advanced connectivity, ensuring enhanced system integration.;
5, 55-G1; Perfectly suited for high-demand applications with a superior flow rate, guaranteeing consistent performance.;
6-G1 1/4; Unmatched in performance, it is designed to excel in the field and successfully overcome challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable baseline that is impeccably tailored to address your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, ensuring superior performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Spearheading customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions seamlessly catered to meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining operational efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and activating it when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Advanced safety measures to ensure secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering a dazzling array of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component embodies versatility and precision. For those who prefer straightforward simplicity, /NF indicates no pressure limiting valve, meticulously crafted for HLPSV. This feature is your go-to solution for achieving optimal pressure control across a wide spectrum of scenarios, making it an essential asset for all your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous attention to detail, tailored to perfectly suit every application, ensuring that you receive a product that aligns seamlessly with your precise 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, which are expertly crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each engineered to ensure precision and maximum efficiency.
(10) Valve core function symbols: Discover a comprehensive spectrum of core functions: L, M, F, H, J, B, R, O, N, each crafted with care to fulfill distinct functional requirements and enhance your system's capabilities.
(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, meticulously tailored for optimal performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all calibrated in bar, ensuring robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize with options including: 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 tailored functionality.
(14) Operation modes: A diverse array of operation modes awaits: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend 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, all crafted for comprehensive control and adaptability.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability and integration.
(16) End Plate Options: Elevate your system's functionality with our customized end plate selections: E1, the standard choice, features external discharge of pilot oil with an external oil return control port T. E2 mirrors E1 but introduces an additional port Y for enhanced versatility. E3 stands out with a 2-position 3-way magnetic ball valve, designed to boost system pressure to safety valve levels when power is supplied, creating an unparalleled control solution.
Explore E4, which resembles E1 yet offers internal discharge of pilot oil with a sealing port T. E5 takes after E2, incorporating internal discharge for a refined flow control experience. The E6 variant, similar to E3, guarantees a sophisticated discharge control, ensuring optimal performance across diverse applications.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from a range of options like G12-12VDC to ensure your system meets safety and compatibility standards for specialized applications. Offering precise control and enhanced safety, our selection is perfect for demanding environments.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital 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, playing a pivotal role in localizing core 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 are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time for your products?
Answer:Our production lead time is generally about one month post-payment. Within this timeline, we meticulously prepare and implement strict quality control protocols, ensuring each product arrives in pristine condition. Your complete satisfaction with our flawless delivery is our utmost priority.
Question:2. Do you have any minimum order quantity (MOQ) restrictions for LED light purchases?
Answer: We provide an exceptionally low minimum order quantity, allowing you the freedom to order as little as one unit for sample validation. This flexibility lets you launch your projects with ease and precision, adapting to your specific needs effortlessly.
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Answer: Start by sending us your detailed requirements or intended application. We will create a personalized quote for you, tailored to your needs or guided by our expert recommendations. Once you approve the drawings and make a deposit, we will finalize your order and begin production, ensuring every specification is precisely met for a smooth and customized experience.drawings,and place a deposit to formalize the order. Finally, we will coordinate production, ensuring every aspect is executed flawlessly for a seamless and personalized solution.
Question:4. Can I have my logo printed on the product?
Answer: Certainly, this is entirely possible. Please inform us formally before production begins and confirm the design based on the sample we provide. This guarantees your branding is displayed with utmost clarity and outstanding quality, perfectly reflecting your identity.
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