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 - The key to unlocking unmatched performance and adaptability.
HLPSL: Constant Displacement Pump - A paragon of stability, ensuring your systems operate with unwavering consistency and reliability.;
HLPSV: Variable Displacement Pump - Mastering versatility with effortless adaptability, catering to a spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - Precision-engineered for reliability, these ports ensure operations you can trust::
2-G3/8; Engineered for optimal compactness, ensuring seamless and efficient system operations.
3-G1/2; Crafted for resilience and reliability, forming a robust backbone for your system.;
4-G3/4; Designed for superior connectivity, offering exceptional control and system integration.;
5, 55-G1; With an outstanding flow rate, this option is ideal for rigorous applications, ensuring unwavering performance.;
6-G1 1/4; Delivering unparalleled performance, designed to excel under challenging conditions.;
(3) Additional Components and Specifications - Elevate your system's capabilities with these exceptional components::
C,Standard Type - A fundamental benchmark of dependability, tailored for your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Precision control for optimal system efficiency.;
H,Fixed Differential Overflow Valve (Enhanced Circulating Pressure ~14 bar, HLPSL) - Optimizing flow management for superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailor your system's pressure control to meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options offer bespoke solutions for your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and enhanced control solutions:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unblocks it when unpowered; D - Normally closed magnetic ball valve, unblocks the pump when powered, pressurizes it when unpowered.D/F - Equipped with a robust pressure limiting valve for secondary pressure (F50) that features a preset pressure value, this system offers cutting-edge safety measures to ensure secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing versatility and precision in hydraulic control. For those seeking simplicity, /NF signifies a configuration without a pressure limiting valve, specifically crafted for HLPSV, ensuring optimal pressure control across diverse operational scenarios, and making it indispensable for your hydraulic system requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to suit a broad range of applications, ensuring that you receive a tailored product that perfectly meets your specific needs and expectations.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless and efficient integration in your systems.
(9)Directional valve block inflow controller options: Select from a range of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideally suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each engineered to ensure precision and operational efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet and fulfill unique functional requirements across various applications.
(11) Output flow code for ports A & B: Maximize operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored to ensure optimal performance across your systems.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your system 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 to provide precision control and adaptability.
(14) Operation modes: Explore diverse operation modes including: A(1,2), manual operation with an 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 a long handle; H, pure hydraulic control with alignment of 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: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered to ensure seamless adaptability and integration into your hydraulic systems.
(16) End Plate Options: Discover our customized end plate selection tailored for your needs: E1, the standard choice, features an external discharge of pilot oil and an external oil return control port T; E2 builds on E1 with the inclusion of an additional port Y for enhanced functionality; E3 is equipped with a sophisticated 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels during power supply for optimum performance and reliability.
E4 is designed similar to E1, but with the innovative internal discharge of pilot oil, sealing port T for streamlined operations; E5 resembles E2, with an efficient internal discharge; E6 is akin to E3, each model ensuring advanced discharge control for superior operational efficiency.
(17) Control Voltage and Explosion-Proof Cable Length Options: Choose from our diverse options such as G12-12VDC, offering unparalleled safety and compatibility with specialized applications, tailored to meet your unique needs.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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