Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a pinnacle of modern engineering. These revolutionary innovations seamlessly blend the intricate elements of pressure, flow, and directional control into a single, cohesive unit, ensuring unmatched performance and reliability. Typically comprised of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for integration into high-end hydraulic systems, which are pivotal in top-tier engineering machinery. In their operation, they precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision, control, and efficiency. Key highlights of this product include a compact design, superior energy efficiency, and the capability for stepless speed control. Moreover, they allow multiple actuators to function simultaneously under varying loads, offering unrivaled performance and versatility across a myriad of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation with remarkable consistency. Conversely, the HLPSV valves are masterfully engineered for variable pump systems, where efficiency is key. Although HLPSV valves may display a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand as the premier solution for advanced hydraulic control requirements, meeting the demands of the most sophisticated and demanding hydraulic applications with ease.
| 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 - A cornerstone for consistent and unwavering performance, ensuring seamless operations that remain reliable in every application.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, catering to the dynamic demands of modern hydraulic systems.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, providing flawless integration::
2-G3/8; Compact in design, yet highly efficient, maximizing space and performance.
3-G1/2; Renowned for reliability and robustness, standing the test of time in diverse environments.;
4-G3/4; Advanced connectivity for superior performance, driving innovation and excellence.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, facilitating smooth and efficient operations.;
6-G1 1/4; Unmatched in performance and reliability, setting a new standard in hydraulic solutions.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, offering unparalleled versatility::
C,Standard Type - A dependable baseline for all applications, ensuring stability and consistency across the board.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, allowing for minute adjustments with confidence.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, enhancing system efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, offering flexibility and precise regulation:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Perfectly tailored for your precise requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, a hallmark of advanced hydraulic safety: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; Pioneering advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Seamlessly adaptable settings at 63, 120, 210, 280, 315, 350, 400 bar, ensuring a customized fit for all operational needs. /NF: No pressure limiting valve (HLPSV only); Guarantees unparalleled pressure management and safety excellence.
(7) Product Series Classification - A testament to superior engineering:;-2 2 Series; -3 3 Series; -5 5 Series; Ingeniously crafted to cater to every unique application requirement.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, auxiliary block or transitional block ZPL 5S(V)/H; equipped with a hydraulic control shut-off valve;
(9)Directional valve block inflow controller options: 1, no inflow controller; 2, standard flow control; 4, specialized 3-way flow controllers for inlet and outlet balancing; 5, enhanced control for robust operations; 8, pre-selectable for tailored applications;
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Select from high-capacity output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation options: N, no pressure capping feature; C, comprehensive pressure limiting for actuator ports A & B; A---B---, independent pressure regulation for actuator ports A & B, unit (bar);
(13) Function ON/OFF and pressure outlet options: N, without ON/OFF and pressure outlet; X C-type pressure limitation; S/S1 AB-type for precise pressure control; A, electrical ON/OFF activation on side A; B, electrical ON/OFF activation on side B;
(14) Operation modes: A(1,2), manual operation with adaptable handle options (1=without handle, 2=with short handle); E, electric proportional control for precision; EA(1,2), combining electric proportional control with manual options; D, electric switching value control for dynamic operations; DA(1,2), electric switching value with manual flexibility; M, manual friction positioning for exact long handle maneuvering; H, pure hydraulic control aligning pilot oil ports A and B; F, pure hydraulic control with distinct pilot oil port alignment;
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End plate options: E1, standard, external pilot oil discharge, external oil return control port T; E2, akin to E1 with extra port Y; E3, with a 2-position 3-way magnetic ball valve for pressure rise to safety valve levels during power supply scenarios;
E4, akin to E1 with internal pilot oil discharge, port T sealable; E5, akin to E2 with port T sealability; E6, similar to E3 with internal sealing options for port T;
(17) Control voltage and anti-explosion cable length options: 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.
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. This period allows us to undertake meticulous preparation and enforce stringent quality control measures. Every detail is taken care of to ensure your products are delivered flawlessly.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an exceptionally low minimum order quantity, allowing you the freedom to order even a single piece for sample checking. This flexibility ensures that your specific needs are met perfectly, making it easier to start your projects seamlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Start by informing us of your detailed requirements or applications. We will then provide you with a customized quote based on your needs or our expert recommendations. Once you confirm the drawings and place a deposit, we will formalize the order and arrange production. Every specification will be meticulously met, ensuring a seamless and tailored solution.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.
){kind=link}