Introducing our groundbreaking HLPSL and HLPSV Load-Sensitive Proportional Multi-Way Directional Spool Valves. Engineered to perfection, these revolutionary creations embody the pinnacle of hydraulic innovation and cutting-edge technology. They seamlessly integrate pressure, flow, and directional control into a single, harmonious masterpiece, ensuring unparalleled performance and unwavering reliability across diverse applications. Typically comprising three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously designed for seamless integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. With precise governance over the movement direction and speed of hydraulic cylinders, motors, and other actuators, these valves deliver unmatched precision and control. Their key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. In addition, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility across a wide range of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, offering steadfast and dependable operation across all settings. Meanwhile, the HLPSV valves are masterfully engineered for variable pump systems, showcasing a slightly slower response time but excelling in exceptional energy-saving performance. This makes them the ultimate choice where efficiency is paramount. Thanks to their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, presenting a perfect blend of precision, reliability, and efficiency. Embrace the future of hydraulic excellence with Jiangsu KM Hydraulic Control System Co., Ltd.'s Load Sensitive Control System with Proportional Atex Valve Technology.
| 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 essential powerhouse of your operations, delivering steadfast performance that keeps your systems running smoothly and efficiently.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and flexibility, providing exceptional versatility to meet a diverse array of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here to empower trustworthy operations::
2-G3/8; Expertly crafted for compact efficiency, it provides seamless operational flows with streamlined ease.
3-G1/2; Engineered for robustness and dependability, it forms the dependable backbone of your system.;
4-G3/4; Advanced connectivity offered here delivers superior control and enhanced system integration.;
5, 55-G1; Perfect for high-demand applications, this option ensures consistent, superior flow with its excellent rate.;
6-G1 1/4; Unmatched performance designed to excel, overcoming field challenges with ease and reliability.;
(3) Additional Components and Specifications - Elevating your lifting system capabilities to unparalleled heights::
C,Standard Type - A reliable and trustworthy foundation, tailored to fulfill your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Precision control at its finest, enhancing system efficiency comprehensively.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimal flow management for superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customized pressure control solutions for every application:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions designed to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Optimizing efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered;D/F - Featuring a pressure limiting valve for secondary pressure (F50) that is set to a specified pressure value; This component is designed with cutting-edge safety measures to ensure secure operations, providing peace of mind and reliability in your hydraulic system.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delivering adjustable settings across a range of 63, 120, 210, 280, 315, 350, and 400 bar levels, this component exemplifies versatility and precision engineering. For those who prioritize simplicity, /NF means no pressure limiting valve, specially crafted for HLPSV. This feature guarantees superior pressure control in diverse scenarios, rendering it indispensable for your hydraulic solutions.
(7) Product Series Classification - Showcasing the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is thoughtfully engineered to match a broad spectrum of applications, ensuring that you acquire a product that precisely aligns with your specific needs and aspirations.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for seamless system integration.
(9)Directional valve block inflow controller options: Choose from: 1, no inflow controller for simplicity; 2, standard inflow controller for regular operation; 4, an advanced 3-way flow controller adept at handling both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller for enhanced performance; 8, pre-selectable options, each crafted for unmatched 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 intricately crafted to meet distinct functional requirements with utmost precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with a selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for optimal system performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection for unimpeded flow; C, simultaneous pressure limitation of actuator ports A & B for enhanced safety; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring robust and secure system operation.
(13) Function ON/OFF and pressure outlet options: Tailor your choice with customizable options: N, without function ON/OFF or pressure outlet; X, C type pressure limitation for fine control; S/S1, AB type pressure limitation for precision; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each engineered for meticulous and precise control.
(14) Operation modes: Select from a variety of operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control for advanced functionality; EA(1,2), combining electric proportional control with manual operation for versatility; D, electric switching value control for dynamic operation; DA(1,2), integrating electric switching value control with manual operation; M, manual friction positioning with a long handle for ease of use; H, pure hydraulic control aligning 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: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability and integration into various system configurations.
(16) End Plate Options: Customize your system with our precisely engineered end plate options. Choose E1 for a standard design featuring external discharge of pilot oil and an external oil return control port T. Opt for E2, which mirrors E1 but includes an additional port Y for enhanced functionality. Select E3 to incorporate a 2-position 3-way magnetic ball valve, enabling the system pressure to rise to safety valve levels when power is supplied, ensuring optimal safety and efficiency.
Alternatively, E4 offers the benefits of E1 with the internal discharge of pilot oil, featuring a sealing port T. E5 reflects E2's attributes, with an internal discharge of pilot oil. E6 mirrors E3, providing advanced discharge control to meet your sophisticated operational demands.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from a range of control voltage options like G12-12VDC, designed for safety and compatibility with specialized and demanding 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.
){kind=link}