Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations embody the zenith of hydraulic innovation, flawlessly marrying pressure, flow, and directional control into one cohesive, breathtaking masterpiece. This integration ensures exceptional performance and steadfast reliability in any application. Typically crafted from three indispensable functional modules - connecting blocks, directional valves, and end plates - these valves are precisely engineered for incorporation into elite hydraulic systems, indispensable for high-caliber engineering machinery. They meticulously regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and command. Key features include a compact design, extraordinary energy efficiency, and the ability to provide stepless speed control. Beyond this, they enable multiple actuators to function simultaneously under varied loads, delivering unmatched performance and versatility across all applications.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are superbly crafted for variable pump systems. Although HLPSV valves may demonstrate a marginally slower response time, they excel in offering remarkable energy-saving performance, making them the paramount choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-savvy design, HLPSV valves emerge as the leading solution for sophisticated hydraulic control needs, providing a flawless 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, so your operations thrive smoothly and efficiently without a hitch.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and flexibility, delivering unsurpassed versatility to accommodate diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability, ensuring operations you can trust::
2-G3/8; Meticulously crafted for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and dependability, laying a solid foundation for your system's success.;
4-G3/4; Providing advanced connectivity, this option delivers superior control and enhanced system integration.;
5, 55-G1; Designed with a superior flow rate, perfect for high-demand applications, ensuring consistent performance even in the toughest conditions.;
6-G1 1/4; Delivering unmatched performance, this design excels in the field and overcomes challenges with ease.;
(3) Additional Components and Specifications - Taking lifting system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, perfectly tailored to meet your essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing overall system efficiency for superior results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability in your system.;
(4) Pilot Oil Circuit Pressure Options - Offering 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); Providing tailored, seamless solutions to meet your specific operational needs with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency while boosting control to new levels:C - No magnetic ball valve; F - A normally open magnetic ball valve that pressurizes the pump when powered, unloading it when unpowered; D - A normally closed magnetic ball valve that unloads the pump when powered, pressurizing it when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) with a specified pressure value, providing advanced safety measures to secure your operations effectively.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable component offers unrivaled adjustable settings at pressure levels of 63, 120, 210, 280, 315, 350, and 400 bar, making it a masterpiece of versatility and precision. For those who prefer simplicity, /NF denotes the absence of a pressure limiting valve, meticulously crafted for HLPSV. This exceptional feature ensures supreme pressure control across diverse scenarios, making it an indispensable choice for fulfilling all your hydraulic demands.
(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 that you receive a product that meets your precise requirements with unparalleled precision.
(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, meticulously crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from the options designed for excellence: 1, without inflow controller; 2, standard inflow controller; 4, an 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 ensuring optimal precision and efficiency for your system.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill unique functional requirements with precision.
(11) Output flow code for ports A & B: Elevate efficiency with a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each perfectly tailored for optimal performance in various scenarios.
(12) Secondary pressure limitation options: Make your choice between: 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 dependability.
(13) Function ON/OFF and pressure outlet options: Customize with precision: 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 unmatched precision control.
(14) Operation modes: Experience diverse operation modes crafted for your needs: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated 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, engineered for comprehensive control.
(15) Ancillary block port sizes: Choose from a wide range of versatile 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 tailored end plate selections, crafted to meet your unique needs. Available choices include: E1, the standard option, featuring external discharge for pilot oil along with an external oil return control port T; E2, designed similarly to E1, but with the added benefit of an additional port Y for enhanced flexibility; E3, equipped with a 2-position 3-way magnetic ball valve, significantly raising system pressure to safety valve levels during power supply, ensuring maximum operational safety.
E4, a variant of E1, offers internal discharge of pilot oil with a sealed port T for optimized efficiency; E5, akin to E2, similarly includes internal discharge for seamless operation; E6, closely resembling E3, each model assures advanced discharge control, providing precise and reliable system functionality.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our range of options such as G12-12VDC, thoughtfully designed to guarantee safety and flawless compatibility with specialized applications, ensuring your systems remain secure and operational.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: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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