Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves-an epitome of hydraulic innovation that effortlessly synchronizes pressure, flow, and directional control into a single, flawless entity. This assures extraordinary performance and unwavering reliability across every application, making these components indispensable in elite hydraulic systems. Crafted with precision, the valves consist of three pivotal modules: connecting blocks, directional valves, and end plates. They masterfully govern the movement, direction, and speed of hydraulic cylinders, motors, and other actuators, ensuring supreme precision and control. Notably, they boast a compact architecture, exceptional energy efficiency, and seamless stepless speed control. Additionally, these valves enable multiple actuators to function concurrently under diverse loads, offering exceptional performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring unwavering and dependable functionality in every environment. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. Although HLPSV valves might display a marginally slower response time, their excellence in energy conservation performance makes them unrivaled when efficiency is crucial. With innovative engineering and an energy-efficient blueprint, HLPSV valves emerge as the ultimate solution for sophisticated hydraulic control needs, providing a perfect fusion of precision, dependability, 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 Cornerstone of Your Advanced System
HLPSL: Constant Displacement Pump - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, 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 - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control: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 - Comes with a state-of-the-art pressure limiting valve for secondary pressure (F50) with a specific pressure value. This advanced feature offers exceptional safety measures to enhance operational security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component epitomizes versatility and precision engineering. For those seeking simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV. This essential feature ensures optimal pressure control across diverse scenarios, making it a crucial component for your hydraulic system.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to meet every precise application requirement, ensuring you receive a product perfectly aligned with your specifications.
(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 ZPL 5S(V)/H intermediate transition block, crafted for seamless integration with hydraulic control shut-off valves.
(9)Directional valve block inflow controller options: Choose from: 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, all ensuring precise and efficient operation.
(10) Valve core function symbols: Discover a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet unique functional requirements with precision.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, customized for peak performance.
(12) Secondary pressure limitation options: Select 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 robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Tailor your options with: 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 for precise control and adaptability.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with choice of long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control with 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 providing comprehensive control.
(15) Ancillary block port sizes: Choose from varied options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration.
(16) End Plate Options: Discover our customizable end plate selections crafted for precision engineering: E1, a standard offering, features an external discharge of pilot oil and an external oil return control port T; E2, building on E1, introduces an extra port Y for enhanced flexibility; E3 is equipped with a 2-position 3-way magnetic ball valve, ensuring system pressure meets safety valve standards when power is supplied.
E4 mirrors E1 but boasts an internal discharge of pilot oil with a sealing port T; E5 follows the E2 model, offering internal discharge capabilities; E6 takes cues from E3, each variant assuring advanced discharge control for sophisticated system management.
(17) Control Voltage & Anti-Explosion Cable Length Options: Choose from robust selections such as G12-12VDC, crafted for safety and seamless integration 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 been a beacon of innovation and unparalleled excellence in 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. We specialize in the meticulous research, development, manufacturing, and sales of top-tier 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, consistently pushing the boundaries of what's possible in hydraulic technology.
Our flagship product, the load-sensitive proportional valve, is a masterpiece of innovation in advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical 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 bespoke solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence and innovation worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is approximately one month from the time payment is received. During this period, we meticulously prepare and enforce rigorous quality control protocols to ensure every product arrives in exemplary condition. Your utmost satisfaction with our flawless delivery is a paramount concern.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We pride ourselves on offering a remarkably low minimum order quantity, granting you the liberty to procure even a singular piece for sample verification. This flexibility facilitates easy commencement of your projects with precision, catering to your specific needs seamlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the journey by sharing your detailed specifications or intended uses with us. We will then provide a customized quote, tailored to your requirements or enhanced by our expert recommendations. Upon approval of the drawings and payment of the deposit, we will finalize the order and initiate production. We ensure each specification is meticulously followed, delivering a seamless and bespoke 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: Certainly, this is entirely feasible. Please ensure you inform us formally before production commences and confirm the design based on the sample we provide. This guarantees that your branding is presented with exceptional precision and superior quality, perfectly reflecting your identity.
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