Behold the future of hydraulic control with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These exceptional engineering marvels epitomize the zenith of hydraulic innovation, skillfully merging pressure, flow, and directional control into one seamless, integrated solution. This ensures unmatched performance and reliability in every application. Constructed with three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are precisely designed for incorporation into elite hydraulic systems, indispensable for high-caliber engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a compact design, remarkable energy efficiency, and the ability to control speed steplessly. Furthermore, they enable multiple actuators to function concurrently under varying loads, delivering unmatched performance and versatility in any application.
The HLPSL valves are meticulously customized for constant displacement pump systems, ensuring unwavering and dependable operation in all environments. Conversely, the HLPSV valves are brilliantly designed for variable pump systems. Although the HLPSV valves might have a slightly slower response time, they excel in providing outstanding energy-saving performance, making them the ultimate preference for applications where efficiency is vital. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an impeccable 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 - This pivotal component ensures operations are seamless and efficient with unwavering and consistent performance.;
HLPSV: Variable Displacement Pump - Masterfully designed for adaptability and flexibility, providing unmatched versatility for diverse operational requirements.;
(2) Connection Block Ports P & R Specifications - A harmonious blend of precision and reliability, elevating operational trust::
2-G3/8; Crafted for compact efficiency, ensuring operational flows are streamlined and uninterrupted.
3-G1/2; Engineered for robustness and reliability, serving as a sound foundation for your system.;
4-G3/4; Facilitates advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With exceptional flow rate capabilities, this choice is ideal for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Delivers unparalleled performance, expertly designed to thrive in challenging conditions.;
(3) Additional Components and Specifications - Taking system capabilities to unprecedented heights::
C,Standard Type - A dependable and trustworthy baseline, precisely tuned to your essential operational demands.;
G,Throttle Valve (Specific to HLPSL) - Guarantees precision in control, significantly 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 - Delivering personalized pressure control for varied applications:0 - No pressure reducing valve; 1 - With a pressure reducing valve (20 bar); 2 - With a pressure reducing valve (40 bar); Crafted to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve: pressurizes the pump when powered and unloads when unpowered; D - Normally closed magnetic ball valve: unloads the pump when powered and pressurizes when unpowered;D/F - This sophisticated component comes equipped with a pressure limiting valve for secondary pressure (F50), featuring a specified pressure value. It offers advanced safety measures to ensure that operations are secure and reliable.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents the epitome of adaptability for a wide range of hydraulic applications. For those who desire simplicity, the /NF option provides a no-pressure limiting valve configuration, specifically crafted for HLPSV. This feature guarantees optimal pressure control across various scenarios, rendering it indispensable for your hydraulic system needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each meticulously tailored series is designed to accommodate every application, ensuring that you receive a product that precisely meets your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for seamless integration into your hydraulic systems.
(9)Directional valve block inflow controller options: Choose 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, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each engineered for precision and efficiency in hydraulic control.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy distinct functional requirements, ensuring your system's versatility and reliability.
(11) Output flow code for ports A & B: Maximize efficiency with a selection of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored meticulously for optimal performance across varying operational demands.
(12) Secondary pressure limitation options: Choose between: 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. Each option ensures robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customizable 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, each precisely designed for enhanced control and efficiency.
(14) Operation modes: Embrace diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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 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, each 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, each option engineered for seamless adaptability and integration into your hydraulic systems.
(16) End Plate Options: Discover our range of meticulously crafted end plate options designed to elevate your hydraulic control system experience. Choose from: E1, the standard choice, featuring external pilot oil discharge and an external oil return control port T; E2, mirroring E1 but enhanced with an additional port Y; E3, incorporating a 2-position 3-way magnetic ball valve that boosts system pressure to match safety valve levels when powered.
Experience the versatility of E4, which takes the reliable E1 model and introduces an internal discharge of pilot oil with a sealed port T. E5, similar to E2, also offers this internal discharge feature, while E6, akin to E3, ensures every discharge is expertly managed for your peace of mind.
(17) Control Voltage and Anti-Explosion Cable Length Options: Tailor your system with our selection of control voltages, including G12-12VDC, designed to ensure operational safety and seamless integration with specialized applications. Find the perfect fit for your 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 been a beacon of innovation and excellence within the hydraulic industry. 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 encompasses 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, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is essential 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, contributing significantly to the localization of 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 remain 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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