Experience the epitome of hydraulic innovation with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels are the ultimate expression of technological advancement, seamlessly fusing pressure, flow, and directional control into a flawless masterpiece. This integration ensures supreme performance and reliability across a wide range of applications. Expertly designed with three core functional modules - connecting blocks, directional valves, and end plates - these valves are painstakingly crafted for integration into high-end hydraulic systems, essential for premium engineering machinery. They flawlessly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Noteworthy features include a compact design, exceptional energy efficiency, and the ability for stepless speed regulation. Furthermore, they enable multiple actuators to function concurrently under diverse loads, offering unmatched versatility and performance in any setting.
The HLPSL valves are meticulously designed for constant displacement pump systems, guaranteeing steadfast and dependable operation in every environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a marginally slower response, they shine in delivering outstanding energy-saving capabilities, making them the ideal choice for applications where efficiency reigns supreme. With their state-of-the-art design and energy-efficient engineering, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, presenting an impeccable combination 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 top-tier pressure limiting valve for secondary pressure (F50), expertly calibrated to a designated pressure value. Delivering superior safety measures, this feature robustly secures your operational processes.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the power of adaptability with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as the pinnacle of versatility and precision control. For a minimalist approach, /NF denotes no pressure limiting valve, specifically crafted for HLPSV. This unique feature guarantees impeccable pressure regulation across diverse scenarios, making it an essential component for your hydraulic needs.
(7) Product Series Classification - Showcasing Unmatched Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to accommodate every application, 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; inclusive of ancillary blocks or the sophisticated intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously crafted for seamless integration.
(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 precision and unparalleled efficiency.
(10) Valve core function symbols: Delve into a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to meet unique functional demands.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, crafted for exceptional performance.
(12) Secondary pressure limitation options: Opt for: 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 system with options including: 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 precise control.
(14) Operation modes: Explore diverse operational modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, designed for comprehensive control mastery.
(15) Ancillary block port sizes: Choose from a spectrum of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and integration.
(16) End plate options: Discover a range of meticulously tailored end plate choices that include: E1, the standard option featuring external discharge of pilot oil and an external oil return control port T for seamless operations; E2, offering similar characteristics to E1 with an additional port Y for enhanced versatility; and E3, equipped with a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels when power is supplied, ensuring superior performance and safety.
E4, crafted similarly to E1, boasts internal discharge of pilot oil with a sealing port T for optimized internal operations; E5 mirrors E2 but with the added advantage of internal discharge; and E6, akin to E3, guarantees sophisticated discharge control, each option enhancing the precision and reliability of your hydraulic systems.
(17) Control voltage and length of anti-explosion type cable options: Choose from advanced options like G12-12VDC, designed to ensure maximum safety and compatibility with a wide range of specialized applications, providing robust solutions for your hydraulic 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 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.
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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. We prioritize your timelines to enhance delivery efficiency while upholding our commitment to quality.
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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. Partner with us to experience unparalleled convenience and a seamless ordering process, designed to support your unique needs.
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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. Let your brand shine with our meticulous attention to detail and commitment to excellence.
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