Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Crafted at the forefront of hydraulic innovation, these engineering marvels revolutionize the industry by seamlessly integrating pressure, flow, and directional control into one cohesive, extraordinary entity. This ensures unmatched performance and reliability across diverse applications. Typically comprised of three indispensable functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for incorporation into premium hydraulic systems, vital for elite engineering machinery. They expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key features include a compact design, exceptional energy efficiency, and the ability for seamless speed modulation. Additionally, they enable multiple actuators to function concurrently under varying loads, providing unrivaled performance and adaptability for any application.
The HLPSL valves are deftly designed for constant displacement pump systems, ensuring steadfast and dependable operation in all scenarios. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may display a marginally slower response time, they excel in delivering remarkable energy-saving capabilities, making them the quintessential choice for applications where efficiency is paramount. Driven by cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering a flawless fusion 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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 - Equipped with a highly efficient pressure limiting valve for secondary pressure (F50) featuring a specific pressure value, this component offers advanced safety measures to secure and streamline your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This exceptional component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the pinnacle of versatility and precision. For those seeking simplicity, /NF denotes no pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it an essential tool for your hydraulic solutions.
(7) Product Series Classification - Representing the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to cater to every application, ensuring a product that meets your exact needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 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 ensuring precision and efficiency.
(10) Valve core function symbols: Delve into an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet unique functional requirements, ensuring unparalleled performance.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, carefully tailored for superior 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 meticulously measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your control with customizable options: 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.
(14) Operation modes: A diverse array of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control and manual operation; D, electric switching value control; DA(1,2), a synergy of electric switching value control and manual operation; M, manual friction positioning with a 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, engineered for comprehensive control.
(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.
(16) End Plate Options: Customize your system with our meticulously crafted end plate choices. E1, the standard option, comes with an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but introduces an additional port Y, expanding operational versatility. E3 is equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to the level of safety valves during power supply, ensuring peak performance and safety.
E4 resembles E1 yet features internal discharge of pilot oil and seals port T, optimizing system efficiency. E5, similar to E2, offers internal discharge, maintaining ease of integration. E6, akin to E3, guarantees sophisticated discharge control, enhancing system reliability and operational excellence.
(17) Control Voltage & Anti-Explosion Cable Length Options: Choose from our tailored control voltage options, including G12-12VDC, to ensure seamless safety and compatibility with specialized industry applications.G24 - Providing robust performance for demanding conditions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Offering a range of solutions for varied operational needs.12 - A key component for your precise requirements.bb621436
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?
Answer:Our lead time stands at approximately one month post-receipt of payment. During this period, we meticulously prepare and apply rigorous quality control protocols to guarantee each product is delivered in pristine condition. We prioritize your satisfaction through our exemplary delivery standards.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, providing you the flexibility to request as little as a single piece for sample validation. This flexibility empowers you to embark on your projects with accuracy and ease, perfectly aligning with your specific needs and preferences.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by conveying your comprehensive requirements or proposed uses to us. We will then develop a customized quote tailored specifically to your needs or through our specialized recommendations. After confirming the drawings and making a deposit, we will finalize your order and initiate production, adhering to every detail with precision to provide you with a seamless, customized solution.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 indeed feasible. It is essential to formally inform us before production commences and approve the design from the sample we present. This ensures your branding is displayed with exceptional precision and premium quality, perfectly reflecting your brand's identity.