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 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 - Equipped with a pressure limiting valve for secondary pressure (F50) featuring a predetermined pressure value, this component delivers state-of-the-art safety solutions to ensure operational security and peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For simplicity seekers, /NF indicates no pressure limiting valve, tailored specifically for HLPSV applications. This feature guarantees exceptional pressure management across various environments, making it a cornerstone of your hydraulic solutions.
(7) Product Series Classification - The Embodiment of Excellence and Innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is precisely crafted to meet diverse applications, ensuring you receive a product that aligns perfectly with your specific needs.
(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, designed for effortless integration and seamless functionality.
(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, each promising accuracy and superior efficiency.
(10) Valve core function symbols: Discover a versatile selection of core functions: L, M, F, H, J, B, R, O, N, each crafted meticulously to meet distinct functional demands and enhance your system's capabilities.
(11) Output flow code for ports A & B: Optimize performance with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for maximum efficiency.
(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 and reliable system security.
(13) Function ON/OFF and pressure outlet options: Tailor your choices 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 crafted for precision and exceptional control.
(14) Operation modes: A diverse range of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion of 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, crafted for comprehensive and intuitive control.
(15) Ancillary block port sizes: Choose from a versatile array of options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and integration.
(16) End plate options: Discover our specially crafted end plate selections: E1, a classic choice featuring external pilot oil discharge and external oil return control port T. E2, an upgrade to E1, includes a versatile additional port Y. E3 stands out with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve thresholds when powered.
E4 mirrors E1 yet boasts internal pilot oil discharge, with the sealing port T for enhanced efficiency. E5 parallels E2 but offers internal discharge mechanisms. E6, akin to E3, is engineered for refined discharge control, ensuring the pinnacle of operational sophistication.
(17) Control voltage and anti-explosion type cable selections: Choose from a variety of options including G12-12VDC, meticulously designed to ensure safety and compatibility with industry-specific 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.
Inquiries:1. What is your lead time for production?
Response:Our production lead time is typically around one month after receiving the payment. During this period, we meticulously prepare and conduct rigorous quality control processes to ensure every product we deliver is in impeccable condition. We prioritize your satisfaction with our flawless and timely delivery, highlighting our commitment to excellence.
Inquiry:2. Is there a minimum order quantity restriction for LED lights?
Response: We provide a remarkably low minimum order quantity, enabling you to order even a single piece for sample evaluation. This flexibility means you can commence your projects with ease and accuracy, catering to your exact needs effortlessly.
Inquiry:3. How can I place an order for LED lights?
Response: To commence, share your detailed requirements or intended applications with us. We will then create a personalized quote tailored to your needs or guided by our expert advice. Once the drawings are confirmed and a deposit is placed, the order is finalized, and we begin production. We ensure every specification is meticulously followed, providing a seamless and bespoke solution.drawings,and place a deposit to formalize the order. We organize production with a commitment to perfection, ensuring a seamless and personalized solution.
Inquiry:4. Can my logo be printed on the product?
Response: Absolutely, it is indeed feasible. Please formally notify us before production begins and approve the design based on the sample we provide. This guarantees your brand is prominently displayed with precision and superior quality, perfectly encapsulating your identity.
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