Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate the intricate aspects of pressure, flow, and directional control into one cohesive and harmonious unit, ensuring 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, playing a pivotal role in 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 include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in even the most demanding conditions. Conversely, the HLPSV valves are masterfully engineered for variable pump systems, offering a unique blend of high performance and exceptional energy-saving capabilities. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering outstanding energy efficiency, making them the ultimate choice for applications where conserving energy is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, promising an unparalleled mix of performance and economy.
| 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 unwavering, steady performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying peak adaptability and flexibility, designed to meet your ever-changing demands with finesse.;
(2) Connection Block Ports P & R Specifications - Delivering precision and reliability that stands the test of time::
2-G3/8; Compact yet mighty, optimized for seamless and streamlined operations.
3-G1/2; Built to be robust and dependable, ensuring stability.;
4-G3/4; Cutting-edge connectivity for superior control and efficiency.;
5, 55-G1; Ensures a superior flow rate, ideal for high-demand applications where excellence is non-negotiable.;
6-G1 1/4; Offers unmatched performance, setting the standard in the field.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - The epitome of reliability, providing a trusted baseline for all your needs.;
G,Throttle Valve (For HLPSL only) - Ensures meticulous and precise control, enhancing efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized for superior flow management, significantly boosting performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control, precisely tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions that cater to your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and control, engineered for optimal performance:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered;D/F - With pressure limiting valve for secondary pressure (F50) with specified pressure value; Incorporating advanced safety measures for secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled adaptability with adjustable settings available at a range of pressures: 63, 120, 210, 280, 315, 350, 400 bar. For scenarios where no pressure limiting valve is needed, choose /NF (HLPSV only). Ensure optimal pressure control across various applications, making your operations seamless and efficient.
(7) Product Series Classification - Identifying excellence: Unveil the superior classification of our product series, each designed with precision to meet diverse needs.;-2 2 Series; -3 3 Series; -5 5 Series; Experience bespoke solutions tailored for every application, ensuring unparalleled performance and adaptability.
(8)Thread size of directional spool valve ports A & B: Select from a versatile range of thread sizes, including 2-G3/8, 3-G1/2, 4-G3/4, 5-G1, to suit your specific needs, whether it's an ancillary block or an intermediate transition block such as the ZPL 5S(V)/H hydraulic control shut-off valve.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional valve block inflow controller options: Tailor your control setup with ease. Choose from: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers suitable for N 3/3-way valves; 5, strengthened inflow controller; 8, pre-selectable options, ensuring unmatched versatility and control.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; A comprehensive range of symbols guarantees a perfect match for your specific application needs, providing flawless functionality.
(11) Output flow code for ports A & B: Experience precise flow control with maximum output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 (L/min), ensuring optimal performance in every operation.
(12) Secondary pressure limitation options: Choose the perfect level of protection: N for no pressure limiting protection; C for simultaneous pressure limitation at actuator ports A & B; A---B---, for separate pressure limitation, all measured in unit (bar), delivering ultimate safety and efficiency.
(13) Function ON/OFF and pressure outlet options: Customize your system with N, without function ON/OFF and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; A, for electrical ON/OFF on side A; B, for electrical ON/OFF on side B, ensuring precise control and adaptability for all your operational needs.
(14) Operation modes: Experience ultimate flexibility with modes including A(1,2) for manual operation with long handle, E for electric proportional control, EA(1,2) combining electric and manual operation, D for electric switching value control, DA(1,2) for combined modes, M for manual friction positioning, and H or F for pure hydraulic control, tailored to align with specific oil port configurations.
(15) Ancillary block port sizes: Select the ideal port size with options including /2 G3/8, /3 G1/2, /4 G3/4, /5 G1, to perfectly integrate with existing systems and enhance operational efficiency.
(16) End plate options: Choose from a variety of end plates: E1 for standard external discharge, E2 with additional port Y, E3 incorporating a 2-position 3-way magnetic ball valve for scenarios requiring system pressure elevation, offering supreme versatility and functionality.
E4, similar to E1, offers internal discharge with sealable port T; E5 mirrors E2 with similar features; E6 closely resembles E3, maintaining internal discharge with sealable port T, providing adaptable solutions for a range of operational requirements.
(17) Discover impeccable control voltage options paired with anti-explosion type cables: G12-12VDC;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.
At the heart of our revolutionary product line, the Mining Equipment Safety Can Valve with Load Sensitive Technology, lies our flagship innovation: the load-sensitive proportional valve. This state-of-the-art marvel in hydraulic system control is expertly engineered to enhance the performance of construction machinery and heavy-duty equipment. Its versatility makes it indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with 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 remain resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is clear: to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence across the world.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. This crucial time frame allows us to embark on a thorough preparation process and implement rigorous quality control standards. Every aspect is meticulously managed to ensure your products are delivered with unmatched precision and excellence.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, granting you the freedom to order even a single piece for sample evaluation. This remarkable flexibility ensures that your distinctive requirements are fulfilled perfectly, facilitating a smooth and effortless project initiation.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by sharing your detailed requirements or applications with us. We will provide a personalized quote tailored to your specifications or guided by our expert advice. Once you approve the drawings and make a deposit, we will formalize the order and commence production. Every specification will be scrupulously observed, ensuring a seamless and bespoke solution that perfectly fits your needs.drawings,and place a deposit to formalize the order. Finally, we will arrange production, ensuring that every specification is met to perfection, delivering a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, it is possible. Simply inform us formally before production begins and confirm the design based on the sample we provide. This ensures that your branding is represented with utmost precision and quality, reflecting your identity flawlessly.
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