Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect 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 - The bedrock of your operation, providing unmatched consistency and efficiency. This component ensures your machinery runs with unwavering stability.;
HLPSV: Variable Displacement Pump - Mastering adaptability with this pump. Experience the ultimate in versatility to meet the diverse operational demands of your industry.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets dependability to deliver assured operations at every turn::
2-G3/8; Engineered for compact efficiency, ensuring streamlined and seamless operation under the most demanding conditions.
3-G1/2; Crafted for robustness, this choice offers a sturdy backbone for your system's reliability.;
4-G3/4; Enabling advanced connectivity, this port facilitates superior control and enhanced system integration for peak performance.;
5, 55-G1; Ideal for high-demand applications, this option assures a superior flow rate for uninterrupted performance.;
6-G1 1/4; Delivers unmatched performance, designed to excel in the field and tackle challenges with confidence.;
(3) Additional Components and Specifications - Elevate your lifting system capabilities to unprecedented heights with these enhancements::
C,Standard Type - Reliable and trustworthy, this baseline is tailor-made for your core operational requirements.;
G,Throttle Valve (For HLPSL only) - Precision control is at your fingertips, fine-tuning performance and elevating system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Harness optimal flow management for superior performance and unshakable dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailor your pressure control solutions for diverse applications with these versatile options:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Customize your setup to meet specific operational needs with seamless efficacy.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamline efficiency and amplify control with these cutting-edge solutions:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Includes a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Implement advanced safety measures to safeguard operations with confidence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled adaptability and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This versatile component stands as a beacon of precision engineering. For those seeking streamlined simplicity, /NF signifies the absence of a pressure limiting valve, crafted specifically for HLPSV. This feature guarantees optimal pressure control, making it an essential addition for diverse hydraulic applications.
(7) Product Series Classification - Elevating Standards of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly designed to cater to every conceivable application, ensuring a perfect match for 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 additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully crafted for smooth integration.
(9)Directional valve block inflow controller options: Choose from a spectrum: 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 crafted for precision and efficiency.
(10) Valve core function symbols: Discover a diverse range of core functions: L, M, F, H, J, B, R, O, N, each tailored to fulfill specific functional needs with meticulous design.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for optimum performance.
(12) Secondary pressure limitation options: Select 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 quantified in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Customization options include: 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, all designed for precision control.
(14) Operation modes: A range of operation modes available: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), a synthesis of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electrical 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, offering comprehensive control.
(15) Ancillary block port sizes: Choose from a spectrum of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability.
(16) End plate options: Select from tailored end plate choices: E1, standard, featuring external discharge of pilot oil and external oil return control port T; E2, akin to E1, enhanced with an additional port Y; E3, equipped with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels during power supply.
E4, designed to mirror E1 with the innovation of internal discharge for pilot oil, expertly sealing port T; E5, an advanced iteration of E2, also features internal discharge for enhanced operational efficiency; E6, echoing the sophistication of E3, delivers precise and controlled discharge management.
(17) Explore our diverse control voltage and anti-explosion type cable length options: Choose from selections like G12-12VDC, crafted to ensure unparalleled safety and seamless compatibility with specialized 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 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:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and 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 certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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