Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels epitomize the apex of hydraulic advancement, flawlessly merging pressure, flow, and directional control into one exquisite entity. This ensures outstanding performance and dependability across every application. Typically crafted with three vital functional modules - connecting blocks, directional valves, and end plates - these valves are intricately designed for seamless integration into elite hydraulic systems, indispensable for premier engineering machinery. They meticulously regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. Moreover, they enable multiple actuators to function simultaneously under varying loads, delivering superior performance and versatility in any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. Conversely, the HLPSV valves are expertly crafted for variable pump systems. While HLPSV valves might exhibit a modestly slower response time, they excel in delivering remarkable energy-saving performance, making them the preeminent choice for applications where efficiency is crucial. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the leading solution for sophisticated hydraulic control needs, offering a perfect 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 - A cornerstone of reliability, expertly engineered to deliver unwavering performance, ensuring your system operates smoothly and efficiently with consistent power delivery.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering unparalleled flexibility to meet a diverse range of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - A perfect blend of precision and reliability, creating a robust operational framework you can trust::
2-G3/8; Expertly crafted for compact proficiency, designed to support seamless and streamlined operational flows, enhancing system performance.
3-G1/2; Built for robustness and dependability, this connection ensures a stable foundation for the integrity of your system.;
4-G3/4; Featuring cutting-edge connectivity, delivering superior control and advanced system integration for enhanced performance.;
5, 55-G1; Equipped with exceptional flow rates, perfect for high-demand applications, ensuring consistent and reliable performance under pressure.;
6-G1 1/4; Engineered for unmatched performance, designed to thrive in demanding environments, tackling challenges with effortless precision.;
(3) Additional Components and Specifications - Elevating your system's capabilities to extraordinary heights::
C,Standard Type - A dependable and trusted foundation, meticulously crafted to meet critical operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control and enhances overall system efficiency with meticulous engineering.;
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 - Providing customized pressure control solutions tailored to diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly address your unique operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevates efficiency and control with precision engineering: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 - This state-of-the-art system incorporates a meticulously crafted pressure limiting valve designed for secondary pressure (F50) with a specified pressure threshold. Elevating safety benchmarks, this innovative feature ensures unparalleled operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in unmatched precision and adaptability with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes flexibility, perfectly catering to every hydraulic requirement. With /NF indicating no pressure limiting valve, it's masterfully crafted for HLPSV, ensuring impeccable pressure regulation across a wide array of applications.
(7) Product Series Classification - A Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design excellence, meticulously engineered to meet every application demand, guaranteeing a product precisely tailored to your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; along with auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted with precision for seamless and smooth integration.
(9)Directional valve block inflow controller options: Select from a tailored range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet designed for N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and remarkable efficiency.
(10) Valve core function symbols: Explore a full spectrum of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional criteria with precision.
(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 engineered for top-tier performance and dependability.
(12) Secondary pressure limitation options: Choose 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 measured in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your setup with options such as: N, no 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 engineered for precise control and exceptional functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with the option of long or short handle; E, electric proportional control; EA(1,2), a hybrid of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combining 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Experience our meticulously crafted range of adaptable port sizes, designed to seamlessly integrate with your system. Choose from: /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is expertly engineered for flawless adaptability and effortless integration into your machinery, ensuring optimal performance in every application.
(16) End plate options: Uncover our exceptional selection of end plate configurations, each crafted to suit your unique requirements. E1, the standard choice, features an external discharge of pilot oil and an external oil return control port T. E2 offers an enhancement with an additional port Y, providing further flexibility. E3 stands out with its 2-position 3-way magnetic ball valve, empowering your system by elevating pressure to safety valve standards when energized. Choose the ideal end plate to elevate your machine's efficiency and safety.
E4, mirroring the design of E1, offers an innovative twist with an internal discharge of pilot oil paired with a sealed port T for enhanced safety and operation. E5, akin to E2, also incorporates internal discharge, ensuring reliability and control. E6 echoes the sophistication of E3, with each variant meticulously designed to provide exceptional discharge control, meeting the highest standards for advanced system integration.
(17) Control voltage and anti-explosion cable options: Secure your operations with our range of robust control voltage and anti-explosion cable choices. Options include G12-12VDC, specifically tailored for superior safety and specialization in challenging environments. Select from our secure and compatible range to bolster your system's reliability and performance.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 enhanced Safety Atex Valve, the flagship product, represents 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:Typically, the lead time for production spans approximately one month after payment is received. Within this period, we engage in thorough preparations and enforce stringent quality control measures, guaranteeing that every product reaches you in pristine condition. Ensuring your complete satisfaction with our impeccable delivery is our unwavering commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an impressively low minimum order quantity, providing you the convenience of ordering as little as a single piece for sample verification. This flexibility empowers you to embark on your projects with utmost ease and precision, catering seamlessly to your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Start by conveying your detailed requirements or intended applications to us. We will then develop a personalized quote tailored specifically for your needs, either based on your unique specifications or our professional guidance. After finalizing the drawings and placing a deposit, we will formalize the order and commence production. We ensure each specification is adhered to precisely, delivering a seamless, customized solution tailored just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring 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. Please inform us formally before production begins and confirm the design with the sample we provide. This ensures that your branding is reflected with unparalleled precision and excellence, perfectly embodying your unique identity.
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