Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled 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. Conversely, 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 emerge as the premier solution for advanced hydraulic control requirements.
| 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, delivering reliability and stability in every operation.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, adjusting seamlessly to dynamic demands.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, engineered for excellence::
2-G3/8; Compact in design, yet highly efficient, perfect for nuanced applications.
3-G1/2; Renowned for reliability and robustness, a stalwart choice for enduring performance.;
4-G3/4; Advanced connectivity for superior performance, pushing the boundaries of fluid management.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, maintaining peak system efficiency.;
6-G1 1/4; Unmatched in performance and reliability, the definitive solution for complex challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, enabling unparalleled innovation::
C,Standard Type - A dependable baseline for all applications, setting the standard for quality and dependability.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, fine-tuning flow with exceptional accuracy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, expertly balancing pressure for peak efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, offering bespoke solutions for every scenario:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, ensuring perfect compatibility with your operations.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, revolutionizing operational fluidity: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, safeguarding performance and security at every turn.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Meticulously engineered for uncompromising reliability with settings available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring unparalleled pressure control and safety.
(7) Product Series Classification - Identifying excellence: Distinctive range tailored to meet diverse needs:;-2 2 Series; -3 3 Series; -5 5 Series; Specifically crafted for every application, ensuring a perfect match for your needs.
(8)Thread size of directional spool valve ports A & B: Options that resonate with precision and performance: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; Designed to adapt and excel.
(9)Directional valve block inflow controller options: Flexibility and control tailored to your specifications: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet (ideal for N 3/3-way valve); 5, strengthened inflow controller; 8, pre-selectable;
(10) Valve core function symbols: A spectrum of functionalities represented by L, M, F, H, J, B, R, O, N; meticulously designed for optimal performance.
(11) Output flow code for ports A & B: Delivering impressive maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); ensuring performance beyond expectations.
(12) Secondary pressure limitation options: A myriad of choices to match any demand: N, no pressure limiting protection; C, limit the pressure of actuator ports A & B simultaneously; A---B---, limit the pressure of actuator ports A & B separately, unit (bar);
(13) Function ON/OFF and pressure outlet options: In-depth functionality for every need: N, without function ON/OFF and 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;
(14) Operation modes: Versatility at your fingertips: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), electric switching value control and manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control (two pilot oil ports align with oil ports A and B); F, pure hydraulic control (two pilot oil ports are perpendicular to oil ports A and B and outward respectively);
(15) Ancillary block port sizes: Precision-crafted to fit: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End plate options: Engineered for excellence, various configurations to suit your system: E1, standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2, similar to E1, external discharge of pilot oil, port Y is additionally attached; E3, external discharge of pilot oil, a 2-position 3-way magnetic ball valve is mounted; in power supply scenarios, the system pressure rises to the safety valve pressure;
E4, similar to E1, internal discharge of pilot oil, port T can be sealed; E5, similar to E2, internal discharge of pilot oil, port T can be sealed; E6, similar to E3, internal discharge of pilot oil, port T can be sealed;
(17) Control voltage and the length of anti-explosion type cable options: Unmatched safety and adaptability with 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 been a beacon of innovation and excellence in the hydraulic industry. As an illustrious subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand proudly as a national high-tech enterprise of great distinction. Our core expertise shines through in the meticulous research, development, manufacturing, and sales of premium hydraulic components, reflecting our commitment to excellence and cutting-edge technology. Our designation as a national 'specialized, refined, and innovative' small giant enterprise further highlights our steadfast dedication to technological advancement and superior quality. This unwavering commitment positions us as leaders in our field, pioneering new standards of excellence.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. This expertly engineered component is indispensable for heavy-duty equipment and construction machinery, playing a critical role in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with leading domestic manufacturers, which enable us to contribute significantly to the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing them with our attitude, and retaining them with quality'-we are unwavering in our dedication to providing exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new global benchmarks of excellence.
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.
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