Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations truly epitomize the zenith 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 - This pump is the epitome of steadfast and unwavering performance, a true powerhouse ensuring your operations proceed with smoothness and unmatched efficiency.;
HLPSV: Variable Displacement Pump - A symbol of adaptability and flexibility, this pump offers versatility like no other, adapting seamlessly to meet a wide array of operational requirements.;
(2) Connection Block Ports P & R Specifications - The very epitome of precision and reliability, these specifications guarantee trustworthy operations::
2-G3/8; Designed for optimal compact efficiency, these specifications cater to streamlined and seamless operational flows, ensuring peak performance.
3-G1/2; Constructed for robustness and unparalleled dependability, providing a rock-solid foundation for your entire system.;
4-G3/4; Delivering advanced connectivity, this option ensures superior control and enhanced system integration.;
5, 55-G1; With an exceptional flow rate, ideal for high-demand applications, ensuring unwavering performance in critical moments.;
6-G1 1/4; Offering unparalleled performance, engineered to excel in the field and effortlessly overcome challenges.;
(3) Additional Components and Specifications - Elevating your lifting system capabilities to unprecedented heights::
C,Standard Type - A reliable and steadfast baseline, meticulously tailored to address your core operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, enhancing the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and unmatched dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions tailored for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options ensure tailored solutions, meeting your specific operational needs seamlessly and effectively.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and maximizing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered;D/F - This exceptional unit features a pressure limiting valve (F50) for secondary pressure, meticulously calibrated to a specified pressure value. Ensuring unparalleled safety, it incorporates advanced safety measures to secure operations, making it a cornerstone of reliable performance.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings ranging from 63 to 400 bar levels, this component exemplifies versatility and high precision. For those seeking simplicity, the /NF option offers no pressure limiting valve, specifically designed for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, establishing itself as an indispensable asset for your hydraulic systems.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to suit every application, ensuring a perfect match for your precise requirements, providing you with a product that exceeds expectations.
(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, all exquisitely crafted for seamless integration and adaptability.
(9)Directional valve block inflow controller options: Choose from a range: 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 option is designed to guarantee precision and efficiency, tailored to fit your operational needs.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each artfully engineered to fulfill and exceed unique functional requirements with unparalleled excellence.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously tailored for optimal performance and unmatched reliability.
(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 expertly measured in bar to ensure robust and reliable system safety.
(13) Function ON/OFF and pressure outlet options: Customizable for precision control, 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 crafted for superior precision.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious 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, all meticulously engineered for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability and integration, tailored to meet your every need.
(16) End plate options: Discover a world of tailored end plate solutions with choices such as: E1, the standard option, featuring an external discharge of pilot oil alongside an external oil return control port T; E2, similar to E1, yet further enhanced with an additional port Y; E3, equipped with a 2-position 3-way magnetic ball valve, expertly elevating system pressure to safety valve levels during power supply for maximum reliability.
E4, mirroring E1, but designed with an internal discharge of pilot oil, sealing port T; E5, akin to E2, also incorporates internal discharge; E6, reflecting the structure of E3, each meticulously crafted to provide sophisticated discharge control, ensuring efficiency and precision.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a spectrum of secure options like G12-12VDC, specifically engineered for safety and perfect compatibility with niche applications, safeguarding your operations.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. We are a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), proudly standing as a distinguished national high-tech enterprise. Our focus is on the meticulous research, development, manufacturing, and sales of premium hydraulic components. The 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 at the forefront of our field.
Our flagship product, the Load Sensitive Valve Technology with Atex Safety Features for Mining, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is crucial 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: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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