Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations showcase the zenith of hydraulic innovation, elegantly melding pressure, flow, and directional control into a single, seamless entity. This integration assures extraordinary performance and dependability across diverse applications. Typically featuring three indispensable functional modules - connecting blocks, directional valves, and end plates - these valves are designed with precision to mesh perfectly with sophisticated hydraulic systems, essential for premium engineering machinery. They expertly orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Outstanding features include a compact structure, unmatched energy efficiency, and the provision for stepless speed regulation. Furthermore, they enable multiple actuators to operate concurrently under different load conditions, providing unparalleled performance and adaptability for any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring steadfast and dependable operation in every context. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. Although HLPSV valves might demonstrate a slightly slower response time, they surpass in delivering remarkable energy-saving performance, rendering them the ideal choice for scenarios where efficiency is of utmost importance. With their state-of-the-art engineering and energy-conscious design, HLPSV valves are distinguished as the foremost solution for advanced hydraulic control needs, offering an impeccable combination 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
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 equipped with an innovative pressure limiting valve for secondary pressure (F50), offering a precise specified pressure value. This feature enhances advanced safety measures, ensuring secure and efficient operations at all times.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, making it indispensable for diverse hydraulic scenarios. For those seeking simplicity, the /NF feature represents the absence of a pressure limiting valve, ideally suited for HLPSV, ensuring efficient pressure control tailored to your specific needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous attention to detail, tailored to meet each unique application, ensuring a perfect match for your precise operational 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 engineered for seamless and intuitive integration within your hydraulic systems.
(9)Directional valve block inflow controller options: Choose from a range of options designed for precision and efficiency: 1, without inflow controller; 2, standard inflow controller; 4, 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 offering unparalleled performance.
(10) Valve core function symbols: Discover a wide spectrum of core functions - L, M, F, H, J, B, R, O, N - each meticulously crafted to fulfill distinct functional requirements with precision and reliability.
(11) Output flow code for ports A & B: Achieve optimal performance with maximum output flows available in diverse configurations: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for maximum efficiency.
(12) Secondary pressure limitation options: Select from robust options designed for system safety: 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.
(13) Function ON/OFF and pressure outlet options: Explore customizable options for precision control: 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, ensuring tailored operational control.
(14) Operation modes: Enjoy a variety of operation modes crafted for comprehensive control: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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 aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports.
(15) Ancillary block port sizes: Select from a versatile array of options engineered for seamless adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each designed to ensure compatibility and efficiency in your hydraulic control systems.
(16) End plate options: Discover our tailor-made end plate options designed to meet a variety of needs. Choose from: E1, a standard option featuring an external discharge of pilot oil coupled with an external oil return control port T; E2, an enhancement of E1, adding an extra port Y for a customized touch; E3, equipped with a sophisticated 2-position 3-way magnetic ball valve, which elevates your system pressure to the safety valve levels during power supply, ensuring optimal performance and reliability.
E4, a refined version of E1, provides internal discharge of pilot oil and includes a sealing port T for enhanced operational efficiency; E5, mirrors E2 but with the added benefit of internal discharge; E6, a sophisticated counterpart to E3, each meticulously crafted to offer advanced discharge control for your specific requirements.
(17) Control voltage and cable length options tailored for anti-explosion applications: Choose from our safety-focused options like G12-12VDC, which ensure your system remains both safe and compatible with your 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 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:Our production lead time is approximately one month after payment is received. In this period, we meticulously prepare and enforce rigorous quality control checks, ensuring every product is delivered to you flawlessly. We are committed to surpassing your expectations with our impeccable delivery and top-tier service, placing your satisfaction at the forefront of our priorities.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: Our offerings include an impressively low minimum order quantity, empowering you to even order a single piece for sample assessment. This flexibility allows you to initiate your projects with seamless precision and ease, catering to your specific requirements without any constraints.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by sharing your comprehensive requirements or intended applications with us. We will then craft a tailored quote just for you, drawing from your specifications or our expert guidance. Upon confirmation of the drawings and placing a deposit, we will finalize the order and commence production, ensuring every specification is met with exactitude, offering you a personalized and efficient 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 more than possible. Please ensure to inform us formally prior to production and confirm the design based on the sample we provide. This process ensures your branding is represented with unparalleled precision and superior quality, perfectly mirroring your brand's identity.
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